GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Remove the right front wheel and tire from the vehicle. Refer to Tire and Wheel Removal and Installation .

  4. Object Number: 925350  Size: SH
  5. Disconnect the RH ESC position sensor harness connector.

  6. Object Number: 925355  Size: SH
  7. Disconnect the ESC sensor link from the control arm link stud.
  8. Remove the ESC position sensor mounting bolt.
  9. Remove the ESC position sensor from the vehicle.
  10. Disconnect the front RH ABS electrical connector from the engine cradle and reposition aside.

  11. Object Number: 1306822  Size: SH

    Important: Cap or tape the open A/C components immediately to prevent system contamination.

  12. Remove the high pressure relief valve.
  13. Cap or tape the A/C compressor.

Installation Procedure

  1. Remove the cap or tape from the A/C compressor.

  2. Object Number: 1306822  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the high pressure relief valve.
  4. Tighten
    Tighten the valve to 8 N·m (70 lb in).

  5. Connect the front RH ABS electrical connector to the engine cradle.
  6. Install the ESC position sensor to the vehicle.
  7. Install the ESC position sensor mounting bolt.
  8. Tighten
    Tighten the bolt to 3 N·m (26 lb in).


    Object Number: 925355  Size: SH
  9. Connect the ESC sensor link to the control arm link stud.

  10. Object Number: 925350  Size: SH
  11. Connect the RH ESC position sensor harness connector.
  12. Install the right front wheel and tire to the vehicle. Refer to Tire and Wheel Removal and Installation .
  13. Lower the vehicle.
  14. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
  15. Leak test the fittings of the component using J 39400-A .