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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation And Air Conditioning >> Repair Instructions >> Compressor Sealing Washers Replacement >> Installation Procedure

Installation Procedure

  1. Clean the following locations with a lint-free rag before installing the sealing washers:
    • The sealing surfaces of the washers
    • The hose block
    • The compressor ports

    Important:  Do not oil the sealing washers prior to assembly.

  2. Install the sealing washer onto the pilots of the suction/discharge block fitting. Ensure that the washers are seated against the surface of the block fitting.
  3. Install the sealing washers (1). Refer to SEALING WASHER REPLACEMENT .
    Fig 1: View Of Sealing Washers
    G01645553Courtesy of GENERAL MOTORS CORP.
  4. Install the compressor hose assembly (7) to the compressor. Verify that the sealing washers are seated within the compressor's machined surfaces.
  5. Hold the block in place while hand tightening the attachment bolt.
    Fig 2: Installing Compressor Hose Assembly
    G01645554Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  6. Install the compressor hose assembly bolt (3) to the compressor.

    Tighten 

    Tighten the bolt to 34 N.m (25 lb ft).

    Fig 3: Installing Compressor Hose Assembly Bolt
    G01645555Courtesy of GENERAL MOTORS CORP.
  7. Evacuate and recharge the system. Refer to REFRIGERANT RECOVERY AND RECHARGING .
  8. Leak test the fittings of the component using the J 39400-A. 
  9. Install the air cleaner. Refer to AIR CLEANER ASSEMBLY in Removal & Installation.
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