GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 LaCrosse 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Tire Pressure Indicator Sensor Replacement

Removal Procedure
  1. Raise the vehicle on a suitable support. Refer to Lifting and Jacking the Vehicle.
  2. Remove the tire/wheel assembly from the vehicle. Refer to Tire and Wheel Removal and Installation.
  3. Remove the tire from the wheel. Refer to Tire Dismounting and Mounting.

    4. Object Number: 2042776 Size: SH

    Note: If any of the following tire pressure sensor components are found to be damage, replace the damaged components

  4. Remove the tire pressure sensor indicator cap (1) and deflate the tire.
  5. Remove tire pressure sensor indicator nut (4).

    6. Note: When removing the tire pressure sensor, DO NOT re-use the seal, replace with new.

  6. Remove the tire pressure sensor seal (3), the washer (2) and the tire pressure sensor (1).

Installation Procedure

    Object Number: 2042776 Size: SH
  1. Clean the area around the mounting point for the tire pressure sensor.
  2. Install the washer (2)  and the seal (3) on the tire pressure sensor (1).
  3. Install the tire pressure sensor (1) on the wheel.
  4. Start the nut (4) by hand.

    5. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2043555 Size: SH

    Note: When installing the tire pressure sensor and the nut, position the tire pressure sensor so that it is parallel to the inside wheel surface while torquing.

  5. Install the nut (2) on the tire pressure sensor (1).

    6. Tighten
    Tighten the nut (2) to 7 N·m (62 lb in).

  6. Install the tire on the wheel. Refer to Tire Dismounting and Mounting.
  7. Install the tire/wheel assembly on the vehicle. Refer to Tire and Wheel Removal and Installation.
  8. Lower the vehicle.
  9. Learn the tire pressure sensors. Refer to Tire Pressure Sensor Learn.