OEM Chevrolet Avalanche 1500 Wheel Speed Sensor

Chevrolet Avalanche 1500 Wheel Speed Sensor Parts and Q&A

• ABS Sensor, Front
  15233108
  Q: How to replace the Wheel Speed Sensor (WSS) on the front of a 4 Wheel Drive on Chevrolet Avalanche 1500?

  A:

  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.
• Vehicle Speed Sensor
  19302667
  Q: How to replace the rear wheel speed sensor in the antilock brake system on Chevrolet Avalanche 1500?

  A:

  As a first step for wheel speed sensor replacement in the antilock brake system you must lift the vehicle. Unplug the power connection and take out the wheel speed sensor-retaining bolt and sensor through its mounting space. Secure the new wheel speed sensor by fitting it over the mounting slot and tightening the bolt at 13 N.m (115 lb in). Plug in the electrical connection while lowering the vehicle back to the ground. Test the vehicle system by starting the engine while letting it idle until the brake indicators turn off. Do not drive the vehicle when the sensor indicators stay lit because you need to diagnose and fix these issues first. Also check the wheel speed sensor electrical connector to verify that it works without physical problems. Drive the vehicle steadily across a flat dry space with few cars and objects at a minimum speed of 16 km/h (10 mph) for 5 seconds. Use the same driveshed area again to verify if the indicators remain turned off. If they do not, consult the antilock brake system diagnostic procedures.