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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1594 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Compressor Replacement (L66) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Do NOT mix refrigerant oils. Use of incorrect refrigerant oil will cause compressor failure. This compressor uses a low viscosity refrigerant oil, Saturn P/N 22695048.
    IMPORTANT: NEW compressor assemblies are shipped with a partial poly-alkylene glycol (PAG) refrigerant oil charge. Use of the incorrect PAG oil can result in compressor failure.
  1. If replacing the compressor, refer to Compressor Oil Balancing .
    2. Fig 1: Compressor Bolts & Engine
    GM932593Courtesy of GENERAL MOTORS CORP.
  2. Install the compressor to the vehicle.
    3. NOTE: Refer to Fastener Notice .
  3. Install the compressor bolts to the engine.

    Tighten:  Tighten the bolts to 22 N.m (16 lb ft).

  4. Raise the forward edge of the engine frame.
  5. Remove and discard the right hand front engine frame bolt.
  6. Install a new right hand front engine frame bolt.
  7. Remove and discard the left hand front engine frame bolt.
  8. Install a new left hand front engine frame bolt.
  9. Tighten the engine frame bolts to the body.

    Tighten:  Tighten the bolts to 155 N.m (114 lb ft).

  10. Remove the adjustable jack stand or lifting device from the front edge of the engine frame.
    11. Fig 2: Locating Compressor & Related Hoses
    GM1644774Courtesy of GENERAL MOTORS CORP.
  11. Remove the caps from the compressor and the compressor hose.
  12. Install new O-rings to the compressor. Refer to O-Ring Replacement .
  13. Install the compressor hose to the compressor.
  14. Install the compressor hose bolt to the compressor.

    Tighten:  Tighten the bolt to 27 N.m (20 lb ft).

    15. Fig 3: Electrical Connector & Compressor
    GM932631Courtesy of GENERAL MOTORS CORP.
  15. Connect the electrical connector to the compressor.
  16. Lower the vehicle. Refer to Lifting and Jacking the Vehicle .
  17. Install the accessory drive belt. Refer to Drive Belt Replacement .
  18. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  19. Evacuate and charge the A/C system. Refer to Refrigerant Recovery and Recharging .
  20. Test the affected A/C joints for leaks using J 39400-A  . See Special Tools .
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