GM 25774006
TPMS Sensor

To replace the Tire Pressure Sensor first, lift the vehicle with a suitable support and the removal of the tire/wheel assembly. Before taking off the tire, locate the cap and valve of the sensor on a clean surface which is such that the cap con be aluminum while the valve topped with a nickel plating to avoid corrosion. When breaking the tire bead away from the wheel mate the bead breaking fixture at a 90-degree angle to the valve stem and tension the tire iron or pry bar slightly clockwise of the sensor body while lifting the tire bead up and over the mounting/dismounting head. Apply the tire machine to rotate the tire/wheel assembly clockwise while moving the tire bead to the outer part of the wheel rim and vice versa in the case of the inner bead. After removing the tire ensure that all the left over tire sealant from the tire and wheel surfaces is scrapped out, then unfasten the tire pressure sensor nut and the sensor. For installation, it is imperative that the grommet sealing area is free from any form of dirt, as the same is to be inserted into the wheel hole at an angle where the air passage is strategically opposite to the wheel, with the sensor body strategically placed parallel to the wheel interior, to be fastened by the sensor nut to the torque of 7 N.m (62 lb in). Before tire installation, place the mounting/dismounting head 180 degrees from valve stem and 45 degrees counterclockwise of bead transition area, then turn the tire/wheel assembly clockwise to move the tire bead inside of wheel rim and do the same for the outer bead. Mount the tire onto the wheel and record that a service replacement tire pressure sensor will ship in the OFF mode and must be spun over 32 km/h (20 mph) for at least 10 seconds to activate. Lastly, mount the tire/wheel assembly onto the car, lower the car, and familiarize yourself with the tire pressure sensors.

Position the bead breaking fixture 90 degrees from the valve stem and place the mounting/dismounting head so that the tire iron or pry bar can be inserted slightly clockwise of the sensor body.

Take off the tire from the wheel, placing the sensor's cap and valve on a clean, dry surface to prevent damage.

Use the tire machine to rotate the tire/wheel assembly clockwise while transferring the tire bead to the outside of the wheel rim, and repeat for the inner bead before removing the tire from the wheel.

Use the tire machine to rotate the tire/wheel assembly clockwise and repeat for the inner bead before removing the tire from the wheel.

Lower the vehicle and learn the tire pressure sensors.

Lower the vehicle and learn the tire pressure sensors.

Clean the grommet sealing area, insert the sensor into the wheel hole with the air passage facing away from the wheel, and install the sensor nut while positioning the sensor body parallel to the inside wheel surface, tightening it to 7 Nm (62 inch lbs.).