GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2005 🢒 H2 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Compressor Clutch Plate/Hub Assembly Replacement

Removal Procedure

    Object Number: 794711 Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the bolts from the engine protection shield.
  3. Remove the engine protection shield.

    4. Object Number: 370869 Size: SH
  4. Install a ratchet into the air conditioning (A/C) belt tensioner adapter opening.
  5. Rotate the A/C belt tensioner clockwise in order to relieve the tension on the belt.
  6. Remove the A/C belt from the A/C compressor.
  7. Slowly release the tension on the A/C belt tensioner.

    8. Object Number: 667064 Size: SH
  8. Remove the clutch plate retaining bolt (1).
  9. Remove the clutch plate assembly (2).
  10. Remove the clutch hub/bearing snap ring (3).
  11. Remove the clutch hub/bearing assembly (4).
  12. Remove the snap ring (5) from the clutch coil (6).
  13. Remove the clutch coil (6) from the A/C compressor (7).

Installation Procedure

    Object Number: 667064 Size: SH
  1. Install the clutch coil (6) to the A/C compressor (7).
  2. Install the snap ring (5) to the clutch coil (6).
  3. Install the clutch hub/bearing assembly (4).
  4. Install the clutch hub/bearing snap ring (3).
  5. Install the clutch plate assembly (2).

    6. 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.

  6. Install the clutch plate retaining bolt (1).

    7. Tighten
    Tighten the bolt to 18 N·m (13 lb ft).


    Object Number: 370869 Size: SH
  7. Install a ratchet into the A/C belt tensioner adapter opening.
  8. Rotate the A/C belt tensioner clockwise in order to relieve the tension on the belt.
  9. Install the A/C belt to the A/C compressor.
  10. Slowly release the tension on the A/C belt tensioner.
  11. Remove the ratchet from the A/C belt tensioner.
  12. Install the engine protection shield.
  13. Install the bolts to the engine protection shield.

    14. Tighten
    Tighten the bolt to 30 N·m (22 lb ft).

  14. Lower the vehicle.