GM 24225896
Speed Sensor

Begin by disconnecting the harness connector then remove the bolt holding the vehicle speed sensor . Afterwards extract the sensor and take out the O-ring seal with it. Before you install the vehicle speed sensor put its O-ring seal in position on top of the sensor surface. After coating the O-ring seal with a thin film of transmission fluid install the sensor back into the transmission. Use the bolt to install the VSS properly by fixing the bolt at 11 Nm (97 inch lbs.) torque and link the wiring connector to the sensor. Complete the process by putting new fluid inside.

When replacing the Wheel Speed Sensor of a four-wheel-drive vehicle start by raising and securing the car before taking off the tire and wheel. To begin the procedure you first need to take off the brake rotor per 1500 series instructions. Take off the wss cable from its mounts at the knuckle and upper Control Arm before disconnecting the electrical connector at the frame attachment point. Separate the wss mounting bolt and ease it out of the hub/bearing assembly on the 2500/3500 model surfaces without forcing or breaking the sensor. To set up the fresh wss keep the hub bore sealed and rub the hub mounting area with a wire brush to prepare it for service. Also apply wheel bearing grease gm p/n 01051344 thin layer to the hub and sensor o-ring. Apply the wss unit against the hub surface and clamp the sensor bolt using a torque value of 18 nm (13 ft. Lbs). Put the tire and wheel back, reconnect the brake rotor to the 1500 series and attach the wss cable connector to its electrical terminal. Also remount wss cable retainer to its locations on knuckle, upper Control Arm and frame bracket. Complete the diagnostic system check - vehicle to verify system operations.

The installation of an Output Shaft Speed Sensor on 2-wheel drive (2WD) vehicles starts with safely raising the vehicle and securely supporting it. You should disconnect the output speed sensor electrical connector followed by removal of the output speed sensor bolt and the output speed sensor itself. Review the output speed sensor for evidence of damage. Apply automatic transmission fluid to the output speed sensor seal before putting the output speed sensor into place. Ensure to tighten the output speed sensor bolt to 11 Nm (96 inch lbs.) After performing the reconnect the output speed sensor electrical connector install the vehicle on the ground.

First raise the vehicle and disconnect the harness connector to work on the Vehicle Speed Sensor replacement. Begin by placing a drain tray under the vehicle then take out the bolt. Use the J 38417 Speed Sensor Remover tool (J 38417) to uninstall the vehicle speed sensor and its O-ring at the same time. Free the sensor and seal with J 38417 Speed Sensor Remover then install the parts using the same tool together with a drop of transmission fluid on the O-ring. Insert the bolt and secure it at 11 Nm (97 inch lbs.) before joining the harness connector again. End the process by lowering the vehicle and adding the proper amount of fluid.

Start the VSS replacement process by lifting the vehicle and getting it into position for work. Detach the vehicle speed sensor electrical connector before removing its bolt and sensor. After that remove the O-ring seal. After placing the O-ring seal on the VSS you need to apply transmission fluid to it before mounting the component. Fasten the VSS bolt by tightening it to 11 Nm or 97 inch lbs. After reconnecting the VSS electrical connector you should lower the vehicle and fill in extra fluid when needed.

To start replacing the Vehicle Speed Sensor (VSS) in a 4l60-e/4l65-e automatic transmission you need to lift the vehicle and set a drain pan under the transmission. Detach the electrical wire from the speed sensor and unscrew the bolt. Twist and pull the Vehicle Speed Sensor out of its case while also taking away the o-ring seal. Before installing the Vehicle Speed Sensor put a fresh o-ring on the end and coat it with fresh transmission fluid prior to inserting it into the transmission case. Fit the bolt in place and turn it to 11 nm (97 inch lbs.), all while following the service precautions fastener notice. Connect the Vehicle Speed Sensor electrical connector back to its place and drain fluid from the transmission unit. After lowering the vehicle position, add dexron iii transmission fluid until it reaches the correct levels.

To fix the vehicle speed sensor in 4L60-E/4L65-E/4L70-E transmission systems you must first lift and stabilize the whole vehicle. Unplug the electrical connector from the wire harness and take off the connector. After taking away the bolt you need to remove the vehicle speed sensor before getting the O-ring seal out. Stick the O-ring seal onto the vehicle speed sensor then apply a thin layer of transmission fluid before putting the sensor inside the transmission case. Insert the bolt and fasten it until 11 Nm (97 lb in) torque. Safely reconnect the vehicle speed sensor electrical wires to their seat and return the vehicle back to the ground after adding necessary transmission fluid.

To banish the output shaft rate monitor (for 2-wheel drive or 2WD vehicles), first lift and restore the nation appropriately. Disconnect the output speed sensor electrical connector, remove the output speed sensor bolt and the output speed sensor itself. Check the output speed sensor for any sign of damage. When installing, apply automatic transmission fluid lubricating the output speed sensor seal prior to putting in the output speed sensor. Make sure to install the output speed sensor bolt and it should be tightened to 11 Nm (96 inch lbs. then). Finally, reconnect the output speed sensor electrical connector and bring back the vehicle.

You must lift the vehicle and take off the left rear sensor leaf spring anchor plate to replace a rear Wheel Speed Sensor on 10.5 axles. Loosen the retaining bolt to detach the electrical connector. Remove the Wheel Speed Sensor bolt installation and slide out the sensor with its spacer block. Reinsert the Wheel Speed Sensor bolt after placing both the Wheel Speed Sensor and spacer block back into position. Tighten the bolt to 14 n.m (124 lb in). Bitir the electrical connection and put back the leaf spring anchor plate before lifting the vehicle. Following installation you must verify sensor operation by starting the engine only to run it at low speeds. Keep the vehicle from use until professionals repair it when the abs or traction assist warning lights stay on. Search for damage and improper installation on the Wheel Speed Sensor electrical connector. Check symptoms - antilock brake system to solve the issue when the indicators stay lit. Drive the vehicle at 16 km/h (10 mph) or faster on a flat and empty space for more than 5 seconds to test abs functionality. Stop the vehicle and check both abs and traction assist indicator lights; if one is on contact diagnostic starting point - antilock brake system.

To install the new rear wheel sensor you need to raise the vehicle and take off the leaf spring anchor plate on the left side first. Sever the electrical connection before unscrewing and disconnecting the Wheel Speed Sensor and its spacer block. Set the Wheel Speed Sensor correctly on the spacer block then fasten its retaining bolt to 14 nm (124 inch lbs.). Reinsert the leaf spring anchor plate after connecting the electric connection on the left rear sensor module. Start the engine to idle and check Wheel Speed Sensor performance at low speed after putting it in place. Do not operate the vehicle until a specialist inspects and repairs the system when the traction assist and abs indicators remain lit. Check the Wheel Speed Sensor electrical connector for both problems and ensure it was installed correctly. You should examine brake system antilock system indicators if the warning light remains lit. Choose a stabilized road or space in a wide open area with light traffic and few obstacles before driving straight ahead at 16 km/h (10 mph) for five seconds non-stop. Review the abs and traction assist indicator lights. If any of them show active, perform an antilock brake system diagnostic test.

Start by lifting and stabilizing the vehicle before replacing the Vehicle Speed Sensor in 4L60-E/4L65-E/4L70-E automatic transmissions. Unplug the vehicle speed sensor electrical connector and then take off both the connector and bolt at the same time. Unplug the Vehicle Speed Sensor wire connector and take out both the sensor and its ring seal. You must put the O-ring seal on the vehicle speed sensor first before applying transmission fluid to match it. Then put the sensor into the transmission case. Fit the bolt into place before tightening it to 11 N.m (97 lb in). To complete the job you need to reconnect the speed sensor wiring to its harness and lower the vehicle while filling the required fluid.

The first step in replacing the vehicle speed sensor (VSS) on the 4L60-m/E & 4L65-E is lifting the vehicle, which is followed by the removal of the transmission pan, assembling the required tools, and loosening its bell and the plastic plate. From the side, disconnect the VSS wiring and its connector to prepare the area for changing the VSS component. Unplug the electrical connector from the speed sensor and loose the bolt that holds it. Remove the speed sensor and O-ring seal, and check both the seal and the transmission case which need to be replaced, if necessary. For installation, place the speed sensor and the O-ring seal back in the transmission, making sure to install the bolt, according to the Fastener Notice in Service Precautions, should be tightened to 11 Nm (97 inch lbs.). Finally, reconnect the electrical connector to speed sensor, and lower the vehicle.

First lift the vehicle and detach the input speed sensor electrical connector to replace the Vehicle Speed Sensor. To install the new sensor remove the bolt from the input speed sensor and place both components with their bracket into the case. Look for damage on the vehicle speed sensor assembly. Apply automatic transmission fluid to the input speed sensor seal and put in the speed sensor plus its mounting bracket. Install the bolt while applying 11 Nm (96 inch lbs) of pressure and attach the input speed sensor electrical connector before placing the vehicle back on the ground.

Begin replacing the Vehicle Speed Sensor (VSS) by raising the vehicle while placing a drain pan underneath. Separate the electrical connector from the sensor while unscrewing the bolt. A combination of twisting and pulling mechanics enables the operator to remove the vehicle speed sensor from its case before discarding the O-ring seal. After installing a new O-ring seal on the vehicle speed sensor you should apply clean transmission fluid to the O-ring before inserting the sensor into the transmission case. Drive bolt into place before tightening it to 11 Nm (97 inch lbs.). Detach the wiring harness electrical connector from the vehicle speed sensor while you remove the drain pan and then lower the vehicle before filling with DEXRON (R) III transmission fluid to the required level.

Raising and supporting the vehicle enables easy access to change the wss on 4 wheel drive vehicles. You need to detach the brake rotor from 1500 series. Unfasten the wss cable mounting clip from all attachment points and detach the electrical connector followed by unscrewing and removing the wss mounting bolt. Take out the wss in a straight line from its bore using your hands only instead of tools to keep the sensor body intact. To install put the wss bore plug over it until the installation starts. Prepare the wss mounting area on the hub by brushing away debris and apply a thin layer of wheel bearing lubricant gm p/n 01051344 to all surfaces. Place the wss properly into the hub/bearing assembly while maintaining flat contact with the hub surface before applying the wss mounting bolt and tightly tightening it to 18 nm (13 ft. Lbs.). Place the wss cable mounting brackets back onto the common part, upper Control Arm, and body connection point then join the wss electrical connector. Reinstall the brake rotor into its proper position as depicted in the 1500 series documentation. Reassemble the wheel and tire afterward you run the diagnostic system check for your vehicle.

The replacement process of the VSS on 4L60-E/4L65-E begins with harness connector and bolt removal until you can extract the vehicle speed sensor along with its O-ring seal . You must coat an O-ring seal with transmission fluid before installing it around the vehicle speed sensor . The sensor then needs to be placed into the transmission case. Screw the bolt into position at 11 Nm (97 inch lbs.) torque while you should connect the wiring harness electrical connector to the vehicle speed sensor. Refuel the system according to specifications.

Start replacement by lifting the vehicle and taking off the tire wheel assembly including brake rotor. Separate the wiring harness holders of the Wheel Speed Sensor and detach the electric connection. Gently pull out the sensor from the bore using your fingers to avoid breaking the sensitive sensor parts while removing the mounting screw. Keep the stainless steel shim in place because it forms a permanent part of the bearing assembly; a new complete replacement is needed when the entire unit shows damage for accurate sensor and abs operation. Handle the cleaning process near the bore area carefully to shield the lubricated bearing space from contaminants that hasten its service life. Put new speed sensor in place by applying fresh o-ring with bearing grease using a soft tool but do not use grease to lubricate the bore of the sensor. Loosely fasten the new speed sensor mounting screw to 17 nm then securely join the electrical connection while using the proper mounting clips from the new sensor. Secure the wheel sensor wiring to its frame and control arm positions then replace the brake rotor followed by the tire and wheel parts.

Begin replacement of the Wheel Speed Sensor by lifting the vehicle then removing the tire and wheel and brake rotor. Disconnect the electrical connector of the speed sensor wiring harness by first detaching the retention hardware. Pull out the sensor directly from its bore slot after unscrewing its mounting screw but avoid using any screwdriver or prying tools because they might break the sensor body. Do not attempt to remove the stainless steel shim from the bearing assembly, as it is permanently attached; bearing failure requires immediate replacement because it leads to reduced performance of sensors and abs functions. During sensor extraction users need to prevent any lubricant contamination within the sealed bearing housing. After removing the Wheel Speed Sensor from the hub and bearing assembly, install the new speed sensor, which comes with a new o-ring; discard the previous o-ring before applying a thin layer of bearing grease to the new o-ring while avoiding grease contact with the bore. Fasten the speed sensor mounting screw with a torque of 17 nm (12 ft. Lbs.). Reconnect the electrical connector and use new mounting clips to connect the wiring harness but avoid using damaged clips again. The last step involves reinstalling the brake rotor and the tire followed by the wheel assembly.

You must lift a 4wd pickup and take off its tire first before the brake caliper hub and rotor followed by Wheel Speed Sensor replacement. Start by taking off the Wheel Speed Sensor mounting clips from the Control Arm and frame rail before disconnecting the Wheel Speed Sensor electrical connector and unscrewing the sensor mounting bolt. Keep the sensor body intact when pulling it directly from the bore by hand instead of using tools. Keep the stainless steel shim attached to the bearing assembly since all parts need replacement if it gets damaged to work correctly with the sensor and abs system. Keep the bearing lubricant clean when replacing the Wheel Speed Sensor to maintain its effectiveness. Place the new Wheel Speed Sensor into the hub with its fresh o-ring that should only receive a small amount of bearing grease before being fitted into the clean housing. Fasten the Wheel Speed Sensor with 18 nm torque setting then plug in electrical connector and attach the mounting clips from their frames as intended. First put back the wheel hub rotor Wheel Speed Sensor brake caliper and tire.

In order to replace the Vehicle Speed Sensor (VSS) on the zf s6-650 manual transmission, raise and support the vehicle. For the 6.6l engine, the vss electrical connector need to be removed, and for the 8.1l engine, the vss electrical connector need to be removed. Take out the vss bolt, sensor, and seal out. Apply a dab of transmission fluid on a fresh o-ring seal then fit the vss and bolt and tighten the bolt to 10 nm (89 inch lbs.). For the 8.1l, attach the vss electrical connector, and for the 6.6l, attach the vss electrical connector. Lastly, lower the vehicle and check the level of the transmission fluid, making sure it gets filled.

To fix the front Wheel Speed Sensor (WSS) on 4 wheel drive vehicles start by lifting and holding the vehicle followed by taking off the tire and wheel. Proceed by removing the brake rotor according to model 1500. Unscrewing the mounting bolt disconnects the wss cable first from the knuckle then the upper Control Arm and frame. Afterwards pull away the wss electrical connector and remove the mounting bolt. Remove the speed sensor from the bore without using tools to protect against damaging the sensor body. Before beginning installation you need to plug the wss bore on the hub. Clean the wss contact surface on the hub with wire brush or equivalent and then apply a thin layer of wheel bearing lubricant to both the hub and sensor o-ring. Insert the wss correctly onto its bearing assembly location before you install its bolt and tighten it to 18 nm (13 ft. Lbs.). Install mounting clips again to knuckle, upper Control Arm joints, and frame holder then attach wss wire connector. Put on the brake rotor the same way as 1500-series cars before resting the tire and wheel on their position. Run the system diagnostic test at vehicle level.

Before starting work raise the vehicle and disconnect its electrical connection so you can replace the sensor. Turn off the wheel speed sensor by removing its bolt and pulling out the sensor. Insert the wheel speed sensor until it reaches full seating and fasten it using the supplied wheel speed sensor retaining bolt tightened to 13 Nm (115 inch lbs). Join the electrical connector after putting the vehicle back on the ground. Ensure the wheel speed sensor functions correctly by starting the engine with engine idling and observing that ABS or traction assist light remains lit. Keep driving the vehicle only when both lamp indicators go off during diagnostic repair. Inspect the wheel speed sensor electrical connector for breaks and correct connection before starting the vehicle again. Test the antilock brake system symptoms when the lamp continues to display. Travel on a smooth paving with no traffic using a steady drive at 16 km/h (10 mph) for at least 5 seconds. Inspect the indicators for both ABS and traction assist after stopping your drive. If either light shows up search for the diagnostic beginning point of your Anti-Lock Brake System in the vehicle manual.

You need to remove the harness connector and bolt before you can extract the vehicle speed sensor which comes with its O-ring seal . Before inserting the sensor into the transmission case users must apply a thin film of transmission fluid to both the O-ring seal and the vehicle speed sensor . Install the bolt and tighten it to 11 Nm (97 inch lbs.)Following bolt removal and harness connector detachment from the vehicle speed sensor install the wiring harness electrical connector to the speed sensor. Complete the process by filling in new fluid when needed.

You need to remove the Steering Knuckle first to replace the Wheel Speed Sensor of a 4wd vehicle. Remove the bolt holding the Wheel Speed Sensor harness bracket to the Steering Knuckle. Keep track that the harness should lie between the two Wheel Hub/bearing bolts when you face the narrowest angle towards the upper position. Mark the Wheel Speed Sensor harness position on the Steering Knuckle using white or famous colored paint. Take out the Wheel Hub/bearing bolts on this side then lift the brake rotor and Wheel Hub/bearing assembly from the Steering Knuckle . Keep the Wheel Speed Sensor harness passing through the Steering Knuckle while you avoid pressing against the tone wheel when fitting it correctly. Disconnect and remove the Wheel Speed Sensor properly using correct equipment inside its Wheel Hub/bearing housing. Use the Wheel Hub/bearing assembly bolt holes to place the Wheel Speed Sensor harness at its narrowest position. Set the new Wheel Speed Sensor on the Wheel Hub/bearing assembly and push it until it reaches full seating. Fit the Wheel Hub/bearing and brake rotor assembly unit to the Steering Knuckle at the location where the Wheel Speed Sensor harness must be kept above. Fasten the Wheel Hub/bearing bolts to 125 n.m (92 lb ft) while keeping the harness in an upward position. Afterwards install the bracket bolt holding the Wheel Speed Sensor harness and torque it to 20 n.m (14 lb ft). Put the Steering Knuckle back into place at the end.

First lift the vehicle and position it on support stands to change the VSS in your 4L60-E/4L65-E/4L70-E automatic transmission. Unplug the wiring harness electrical connector from the vehicle speed sensor before removing its electrical connector and bolt. First take out both the vehicle speed sensor and the O-ring seal from their locations. Before fitting the vehicle speed sensor apply its O-ring seal with thin fluid and position it on the sensor. Use torque wrench to put in the bolt and turn it to 11 Nm while following the Fastener Notice in Service Precautions. To complete the repair thread the vehicle speed sensor wiring harness connector and then lower the vehicle while adding transmission fluid when needed.

Before you can replace the Transfer Case speed sensor, raise the vehicle first. Subsequently, take off the electrical connector from the speed sensor and take out the speed sensor and its o-ring. Put a new o-ring seal on the speed sensor and tighten the right rear sensor to 17 nm (13 lb ft) when it is installed. When you've installed the speed sensor, connect its electrical connector back up and lower the vehicle.

To fix the rear Wheel Speed Sensor you must raise the car and need to remove the leaf spring anchor plate at the left rear wheel. Remove the Wheel Speed Sensor retaining bolt after unplugging the electrical connector to pull out the Wheel Speed Sensor and its spacer block. Simply put both Wheel Speed Sensor elements in position before installing the Wheel Speed Sensor retaining bolt at 14 nm torque. Lower the vehicle after you reconnect the electrical connection and put back the left rear sensor's leaf spring anchor plate. Turn the engine on and allow it to idle to check if the Wheel Speed Sensor works correctly. You should observe no change in the abs or traction assist indicator light. Drive safely until certified vehicle professionals solve the Wheel Speed Sensor issue by inspecting the electrical connector for harm and proper attachment. Check the symptoms - antilock brake system page when indicator lights persist. Find a smooth traffic-free road with a flat terrain then drive the vehicle at 16 km/h or 10 mph for 5 seconds before stopping to check if abs or traction system lights turn on. Refer to diagnostic starting point - antilock brake system when an indicator lights up.

Start work on replacing the rear Wheel Speed Sensor of a 10.5 axle by raising the vehicle. Unbolt the leaf spring anchor plate from the left rear position before disconnecting the electrical connector. First take out the Wheel Speed Sensor retaining bolt and then remove the Wheel Speed Sensor plus its spacer block. Use a socket wrench to attach the Wheel Speed Sensor to the spacer block first. Then fasten the retaining bolt at 14 nm (124 lb in). Connect the electrical connection and put the leaf spring anchor plate back into its position on the left rear sensor. Start the engine at idle and observe if abs or traction assist indicator lights remain on during this procedure to ensure the system functions correctly. Do not operate the car until experts solve the issue when one or more indicator lights stay lit on. Check the Wheel Speed Sensor electrical connection for damage and improper placement first. Examine the vehicle when the indicator persists so you can find issues specific to the antilock brake system. Take the vehicle on a 16 km/h (10 mph) road for 5 seconds followed by a stop to check if either abs or traction assist lights show up. Examine the antilock brake system diagnostic starting point when you see any indicator light.

You must lift a 4wd pickup and take off its tire first before the brake caliper hub and rotor followed by Wheel Speed Sensor replacement. Start by taking off the Wheel Speed Sensor mounting clips from the Control Arm and frame rail before disconnecting the Wheel Speed Sensor electrical connector and unscrewing the sensor mounting bolt. Keep the sensor body intact when pulling it directly from the bore by hand instead of using tools. Keep the stainless steel shim attached to the bearing assembly since all parts need replacement if it gets damaged to work correctly with the sensor and abs system. Keep the bearing lubricant clean when replacing the Wheel Speed Sensor to maintain its effectiveness. Place the new Wheel Speed Sensor into the hub with its fresh o-ring that should only receive a small amount of bearing grease before being fitted into the clean housing. Fasten the Wheel Speed Sensor with 18 nm torque setting then plug in electrical connector and attach the mounting clips from their frames as intended. First put back the wheel hub rotor Wheel Speed Sensor brake caliper and tire.

Begin by lifting the vehicle before starting the job. After disconnecting the electrical plug you should unfasten and remove both the wheel speed sensor bolt and the sensor itself. Twist the wheel speed sensor into place by turning it until it is properly seated and follow the Service Precautions Fastener Notice. Fasten the wheel speed sensor with the retaining bolt and apply torque at 13 Nm (115 inch lbs.). Plugged in power supply and put the vehicle back on the ground. After starting the engine to idle verify ABS or traction assist light is lit. Drive the vehicle only after professional examination shows the wheel speed sensor needs repair. Check if the sensor electrical connector has damage and is correctly mounted. When the lamp stays lit perform the Diagnosis - Antilock Brake System. Travel on a flat clean road area with few vehicles and obstacles at 16 km/h (10 mph) continuous speed for 5 seconds. Examine both ABS and traction assist indicator lights after stopping; when either one is lit proceed to Diagnostic Starting Point - Antilock Brake System.

Start the Vehicle Speed Sensor (VSS) replacement by lifting the vehicle and cutting off the input speed sensor's electrical connector. First disconnect the input speed sensor electrical connector then remove its bolt for extracting the bracket assembly and input speed sensor from the case. Check the vehicle speed sensor assembly for potential physical damage. Before installing the input speed sensor and bracket assembly apply automatic transmission fluid to its seal for lubrication. Install the bolt, ensuring it is tightened to 11 Nm (96 inch lbs.)Reconnect the input speed sensor electrical connector after installing the speed sensor bolt and the bracket assembly. Finally, lower the vehicle.

Before replacing the Wheel Speed Sensor (WSS) on a 4wd vehicle users need to lift the vehicle up and position it properly. The next task is to take off the tire and wheel assembly. Drive the 1500 series vehicles by removing the brake rotor with the wss mounting bolt. Pull the sensor from the bore directly by hand to keep the sensor body intact. For 2500/3500 models take off the Wheel Speed Sensor from its position in the hub/bearing assembly. Detach the wss cable mounting clips starting from the knuckle, upper Control Arm, and frame point before separating the wss cable electrical connector. Push the wss into the hub/bearing assembly for 2500/3500 vehicles and fasten wss mounting bolt at 18 nm (13 ft. Lbs.). Secure the wss cable mounting clips back onto their attachment points on the knuckle, upper Control Arm, and frame while connecting the wss cable electrical connector. Reinstall the brake rotor on the 1500 series then add back tire and wheel before running the diagnostic system check-abs (W/O JL4).

To fix the front Wheel Speed Sensor (WSS) on 4 wheel drive vehicles start by lifting and holding the vehicle followed by taking off the tire and wheel. Proceed by removing the brake rotor according to model 1500. Unscrewing the mounting bolt disconnects the wss cable first from the knuckle then the upper Control Arm and frame. Afterwards pull away the wss electrical connector and remove the mounting bolt. Remove the speed sensor from the bore without using tools to protect against damaging the sensor body. Before beginning installation you need to plug the wss bore on the hub. Clean the wss contact surface on the hub with wire brush or equivalent and then apply a thin layer of wheel bearing lubricant to both the hub and sensor o-ring. Insert the wss correctly onto its bearing assembly location before you install its bolt and tighten it to 18 nm (13 ft. Lbs.). Install mounting clips again to knuckle, upper Control Arm joints, and frame holder then attach wss wire connector. Put on the brake rotor the same way as 1500-series cars before resting the tire and wheel on their position. Run the system diagnostic test at vehicle level.

Avoid lubrication of the bore.

Next, remove the transfer case front speed sensor.

First, remove the harness connector and the bolt.

Do not lubricate the bore.

Raise the vehicle.

Disconnect the electrical connector from the transfer case right rear speed sensor and remove the sensor itself.

Tighten it to 17 Nm (13 ft. lbs.).

Raise and suitably support the vehicle.

Inspect the sensor for any signs of damage.

Lubricate the output speed sensor seal with automatic transmission fluid.

Connect the speed sensor electrical connector and reinstall the transfer case shield if it was removed.

Disconnect the input speed sensor electrical connector.

Perform the Diagnostic System Check - ABS (W/O JL4) or Diagnostic System Check - ABS (W/JL4).

It is crucial to prevent dirt from entering the sealed wheel bearing, as this could lead to premature failure.

Tighten it to 15 Nm (11 ft. lbs.).

First, raise the vehicle.

Reconnect the electrical connector for the transfer case left rear speed sensor and lower the vehicle.

First, raise the vehicle and remove the harness connector and the bolt.

Ensure to follow the fastener notice in service precautions.

Tighten it to 15 Nm (11 ft. lbs.).

First, raise and suitably support the vehicle, ensuring adherence to vehicle lifting precautions.

Ensure to follow the fastener notice in service precautions.

Install the O-ring on the vehicle speed sensor assembly.

Raise and support the vehicle.

Raise and support the vehicle.

Remove the front retaining bolt for the speed sensor bracket and take off the bracket itself.

First, raise and support the vehicle, then remove the tire and wheel.

Ensure to tighten it to 17 Nm (13 ft. lbs.) as per the Component Fastener Tightening Notice.

Disconnect the VSS electrical connector and remove the VSS along with the O-ring seal.

Reinstall the front wheel bearing and hub assembly, ensuring the wheel speed sensor harness is positioned upward.

Disconnect the VSS electrical connector and remove the VSS along with the O-ring seal.

Install the brake caliper and bracket assembly, tighten the caliper bracket bolts to 175 N.m (129 lb ft), then install the tire and wheel.

Install the wheel speed sensor harness bracket bolt to the steering knuckle and tighten it to 20 N.m (14 lb ft).

Place the spacer block and the wheel speed sensor, then install the wheel speed sensor retaining bolt, tightening it to 14 Nm (124 inch lbs.).

Reconnect the wiring harness electrical connector to the vehicle speed sensor, lower the vehicle, and refill the fluid as required.

Disconnect the output speed sensor electrical connector, then remove the output speed sensor bolt.

First, raise the vehicle.

Next, remove the bolt securing the speed sensor, then take out the speed sensor along with the O-ring seal.

Carefully extract the wheel speed sensor from the hub/bearing assembly, ensuring not to pry it out to avoid breaking the sensor body.

Reconnect the input speed sensor electrical connector.

Start the engine and let it idle, checking if the ABS or traction assist indicator remains illuminated.

Disconnect the VSS electrical connector and remove the VSS along with the O-ring seal.

Install the output speed sensor and the bracket assembly, then install the bolt and tighten it to 11 N.m (96 lb in).

Plug the bore to prevent debris entry.

Disconnect the WSS cable electrical connector and remove the WSS mounting bolt.

Disconnect the electrical connector from the speed sensor and remove the bolt.

First, raise the vehicle.

Insert the sensor into the transmission case.

First, raise the vehicle.

Place the speed sensor and the O-ring seal into the transmission, then install the bolt, tightening it to 11 N.m (97 lb in).

Reconnect the input speed sensor electrical connector.

Connect the WSS cable electrical connector, reinstall the brake rotor for the 1500 series, put the tire and wheel back on, and perform the Diagnostic System Check - ABS (W/O JL4).

Put the tire and wheel back on and perform the Diagnostic System Check - ABS (W/O JL4).

Reattach the WSS cable mounting clips to the knuckle, upper control arm, and frame attachment point.

Lubricate the input speed sensor seal with automatic transmission fluid.

Coat a NEW O-ring seal with a thin film of Synchro-mesh transmission fluid GM P/N 12345349 (Canadian P/N 10953465) or an equivalent.

Disconnect the vehicle speed sensor electrical connector.

Remove the output speed sensor bolt and the output speed sensor itself.

First, remove the transfer case shield if it is equipped.

First, raise the vehicle and remove the transfer case shield.

Remove the output speed sensor bolt and the output speed sensor itself.

Remove the WSS mounting bolt and carefully extract the wheel speed sensor from the hub/bearing assembly on the 2500/3500 series, ensuring not to pry it out to avoid breaking the sensor.

To avoid improper operation.

Tighten it to 15 Nm (11 ft. lbs.).

Reconnect the VSS electrical connector and lower the vehicle.

Raise and suitably support the vehicle.

Take out the vehicle speed sensor along with the O-ring seal.

Disconnect the speed sensor electrical connector and then remove the speed sensor along with the O-ring seal.

Connect the front speed sensor electrical connector.

Install the input speed sensor bolt and tighten it to 11 Nm (96 inch lbs.).

Remove the bolt securing the speed sensor and carefully take out the speed sensor.

Disconnect the electrical connector from the speed sensor.

Detach the wiring harness retainers and disconnect the electrical connector.

First, remove the harness connector and the bolt.

Take out the vehicle speed sensor along with the O-ring seal.

Disconnect the electrical connector from the sensor and remove the bolt.

Plug the WSS bore.

Raise and suitably support the vehicle.

Reconnect the right rear speed sensor electrical connector and lower the vehicle.

Disconnect the electrical connector from the transfer case left rear speed sensor and then remove the sensor.

Tighten it to 15 Nm (11 ft. lbs.).

Disconnect the right rear speed sensor electrical connector and remove the right rear speed sensor.

Ensure to use a new O-ring seal when installing the new speed sensor into the transfer case.

First, raise the vehicle and disconnect the electrical connector from the transfer case front speed sensor.

Reattach the WSS cable mounting clips to the knuckle, upper control arm, and frame attachment point, connect the WSS cable electrical connector, reinstall the brake rotor for the 1500 Series, put the tire and wheel back on.

Contaminating the lubricant can lead to premature bearing failure.

Raise the vehicle, ensuring it is a 2WD model.

Raise and suitably support the vehicle.

Ensure to install the new speed sensor and tighten it to 17 N.m (13 lb ft).

Position the new transfer case left rear speed sensor into the transfer case and tighten it to 17 Nm (13 ft. lbs.), ensuring to adhere to the Fastener Notice in Service Precautions.

Disconnect the electrical connector from the speed sensor and remove the front speed sensor from the transfer case.

Ensure the sensor and sensor boss (face and inner diameter) are clean and free of debris or metal chips.

Disconnect the WSS cable electrical connector and the WSS mounting bolt.

Install the transfer case front speed sensor and tighten it to 15 Nm (11 ft. lbs.).

The transfer case speed sensor is located at the left rear.

Lightly lubricate the O-ring seal and position it on the speed sensor if it was removed.

Place the O-ring seal on the vehicle speed sensor and coat it with a thin film of transmission fluid.

Inspect the O-ring seal for wear and replace it if necessary.

Install the transfer case right rear speed sensor and tighten it to 15 Nm (11 ft. lbs.).

Reconnect the left rear speed sensor electrical connector before lowering the vehicle.

First, remove the harness connector and the bolt.

Disconnect the VSS electrical connector and remove the VSS along with the O-ring seal.

Carefully pull the sensor straight out of the bore without using a screwdriver or any prying tool.

Install the new speed sensor, which comes with a new O-ring.

The transfer case speed sensor is located at the right rear.

Carefully pull the sensor straight out of the bore, avoiding the use of any prying tools to prevent breaking the sensor body.

Place a drain pan under the vehicle.

Drive the vehicle at a speed of at least 16 km/h (10 mph) for a minimum of 5 seconds.

Take out the speed sensor along with the O-ring seal, and inspect both the seal and the transmission case.

Install the bolt and tighten it to 11 N.m (97 lb in).

No, it applies to 2WD vehicles; the output speed sensor is located on the transfer case for 4WD models.

Reinstall the brake rotor and the tire and wheel, and proceed to the Diagnostic Starting Point for the Antilock Brake System.

Lubricate the input speed sensor seal with automatic transmission fluid.

Reinstall the hub and rotor, the brake caliper, and the tire and wheel.

Install the new speed sensor and O-ring seal using the J 38417 Speed Sensor Remover (J 38417), ensuring to coat the seal with a thin film of transmission fluid.

Remove the wheel speed sensor bolt without prying or levering against the sensor, and carefully pull the sensor straight upward from the suspension knuckle.

Reconnect the VSS electrical connector and lower the vehicle.

Reconnect the electrical connector and lower the vehicle.

Install the speed sensor into the transfer case, tightening it to 17 N.m (13 lb ft).

Install the vehicle speed sensor into the transmission case, ensuring to install the bolt and tighten it to 11 Nm (97 inch lbs.).

Disconnect the input speed sensor electrical connector and remove the input speed sensor bolt.

Install the VSS and secure it with the VSS bolt, tightening the bolt to 11 Nm (97 inch lbs.).

Disconnect the electrical connector from the transfer case right rear speed sensor and remove the sensor itself.

Install the vehicle speed sensor assembly.

Connect the wiring harness electrical connector to the vehicle speed sensor and refill the fluid as required.

Place the O-ring seal onto the VSS and coat it with a thin film of transmission fluid.

Secure the VSS with the bolt, tightening it to 11 N.m (97 lb in).

Plug the WSS bore.

Remove the bolt securing the speed sensor and carefully take out the speed sensor.

Inspect the output speed sensor for any signs of damage.

Lubricate the output speed sensor seal with automatic transmission fluid.

Disconnect the VSS electrical connector.

Remove the VSS bolt and the VSS.

Tighten the speed sensor to 15 Nm (11 ft. lbs.).

Carefully pull the WSS straight out of the bore without using any prying tools to avoid breaking the sensor body.

Reconnect the front speed sensor electrical connector.

Coat a NEW O-ring seal with a thin film of Synchro-mesh transmission fluid GM P/N 12345349 (Canadian P/N 10953465) or an equivalent.

The bolt should be tightened to 11 Nm (96 inch lbs.).

Connect the VSS electrical connector.

Conduct a low-speed test by starting the engine and allowing it to idle, checking if the ABS or traction assist indicator remains illuminated.

Place the O-ring seal onto the VSS and coat it with a thin film of transmission fluid.

This procedure applies to 2WD vehicles; for 4WD, the output speed sensor is located on the transfer case.

Raise and suitably support the vehicle.

First, raise and suitably support the vehicle.

Connect the sensor electrical connector and secure the sensor wire mounting clips to the control arm and frame.