Removal Procedure

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Raise the vehicle on a suitable support. Refer to Lifting and Jacking the Vehicle in General Information.
Remove the tire/wheel assembly from the vehicle. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

IMPORTANT: Before the tire is removed from the wheel, note the following items to avoid tire pressure sensor damage upon tire dismounting.

Place the sensors cap and valve on a dry clean surface after removal, the cap is aluminum and the valve is nickel plated to prevent corrosion and are not to be substituted with a cap or valve made of any other material.
When separating the tire bead from the wheel, position the bead breaking fixture 90 degrees from the valve stem.
Position the mounting/dismounting head so the tire iron, or pry bar can be Inserted slightly clockwise of the sensor body when prying the tire bead up and over the mounting/dismounting head.
Using the tire machine, rotate the tire/wheel assembly clockwise when transferring the tire bead to the out side of the wheel rim.
Repeat items for inner bead.

Remove the tire from the wheel. Refer to Tire Mounting and Dismounting in Tires and Wheels.

Fig 1: View Of Tire Pressure Sensor

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: If any tire sealant is noted upon tire dismounting, remove all residual liquid sealant from the inside of the tire and wheel surfaces.

Remove the tire pressure sensor nut.
Remove the tire pressure sensor.