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Home >> Pontiac >> 2004 >> Aztek Base, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation And Air Conditioning >> Repair Instructions >> Compressor Pressure Relief Valve Replacement >> Installation Procedure

Installation Procedure

  1. Lubricate the high pressure relief valve O-ring. Refer to O-Ring Replacement .
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
    Fig 1: Identifying High Pressure Relief Valve
    GM903621Courtesy of GENERAL MOTORS CORP.
  2. Install the high pressure relief valve to the A/C compressor.

    Tighten:  Tighten the valve to 12 N.m (9 lb ft).

  3. Raise and support the vehicle.
  4. Remove the cap or tape from the A/C compressor suction port and suction hose end fitting.
  5. Install a new seal washer to the suction hose end fitting. Refer to Sealing Washer Replacement .
    6. Fig 2: View Of Suction Hose To A/C Compressor Nut
    GM791146Courtesy of GENERAL MOTORS CORP.
  6. Connect the suction hose to the A/C compressor.
  7. Install the suction hose to A/C compressor nut.

    Tighten:  Tighten the nut to 16 N.m (12 lb ft).

  8. Install the air baffle.
    9. Fig 3: View Of Lower Air Deflector/Baffle
    GM125807Courtesy of GENERAL MOTORS CORP.
  9. Install the air baffle bolts.

    Tighten:  Tighten the bolts to 20 N.m (15 lb ft).

  10. Lower the vehicle.
  11. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  12. Leak test the fittings of the component using J 39400-A  .
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