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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1887 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Compressor Replacement (L61) >> 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. Install a shipping cap to the compressor to prevent oil spillage during installation.
    3. Fig 1: Compressor Bolts & Engine
    GM932593Courtesy of GENERAL MOTORS CORP.
  3. Install the compressor to the vehicle.
    4. NOTE: Refer to FASTENER NOTICE .
  4. Install the compressor bolts to the engine.

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

    5. Fig 2: Locating Compressor & Related Hoses
    GM1644774Courtesy of GENERAL MOTORS CORP.
  5. Remove the shipping caps from the compressor and the compressor hose.
  6. Install new O-rings to the compressor. Refer to O-Ring Replacement .
  7. Install the compressor hose to the compressor.
  8. Install the compressor hose bolt to the compressor.

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

    9. Fig 3: Electrical Connector & Compressor
    GM932631Courtesy of GENERAL MOTORS CORP.
  9. Connect the electrical connector to the compressor.
  10. Install the drive belt. Refer to Drive Belt Replacement .
  11. Lower vehicle.
  12. Evacuate and charge the A/C system. Refer to Refrigerant Recovery and Recharging .
  13. Test the affected A/C joints for leaks using J 39400-A  . See Special Tools .
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