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HOMESERVICE MANUALSCHEVROLET1999PICKUP K1500, 5.7 RREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 449 (HEATING, VENTILATION AND AIR CONDITIONING)REPAIR INSTRUCTIONSCOMPRESSOR REPLACEMENTINSTALLATION PROCEDURE
1999 Chevrolet Pickup K1500, 5.7 R

Installation Procedure

1999 Chevrolet Pickup K1500, 5.7 RSECTION Installation Procedure
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the compressor.
  2. Install the compressor mounting bolts.

    Tighten 

    Tighten the bolts to 50 N.m (37 lb ft).

    Fig 1: Installing Procedure Compressor
    G01498805Courtesy of GENERAL MOTORS CORP.
  3. Remove cap or tape from the discharge hose.
  4. Install a new sealing washer to the discharge hose. Refer to SEALING WASHER REPLACEMENT  .
  5. Connect the discharge hose to the compressor.
  6. Install the discharge hose to compressor nut.

    Tighten 

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

  7. Remove cap or tape from the suction hose.
  8. Install a new sealing washer to the suction hose. Refer to SEALING WASHER REPLACEMENT  .
  9. Connect the suction hose to the compressor.
  10. Install the suction hose to compressor nut.

    Tighten 

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

    Fig 2: Removing Cap From Suction Hose
    G01498806Courtesy of GENERAL MOTORS CORP.
  11. Connect the electrical connector to the compressor.
  12. Connect the engine harness electrical connector.
    Fig 3: Connecting Electrical Connector To Compressor
    G01498807Courtesy of GENERAL MOTORS CORP.
  13. Install the air baffle.
  14. Install the air baffle bolts.

    Tighten 

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

    Fig 4: Installing Air Baffle Bolts
    G01498808Courtesy of GENERAL MOTORS CORP.
  15. Release the drive belt tensioner.

    Install the drive belt on to the compressor pulley.

  16. Install the RH engine splash shield. Refer to SPLASH SHIELD REPLACEMENT -- ENGINE .
  17. Lower the vehicle.
  18. Evacuate and recharge the A/C system. Refer to REFRIGERANT RECOVERY AND RECHARGING  .
  19. Leak test the fittings of the component using J 39400-A. 
    Fig 5: Releasing Drive Belt Tensioner.
    G01498809Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.