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

Tools Required

1999 Chevrolet Pickup K1500, 5.7 RSECTION Tools Required
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.

J 39400-A  Halogen Leak Detector

Removal Procedure 

  1. Recover the refrigerant from the A/C system. Refer to REFRIGERANT RECOVERY AND RECHARGING  .

    Important:  The A/C compressor is accessed through the right wheel opening.

    Turn the steering wheel to the right before lifting the vehicle.

  2. Raise and support the vehicle.
  3. Remove the RH engine splash shield. Refer to SPLASH SHIELD REPLACEMENT -- ENGINE .
  4. Release the drive belt tensioner.

    Remove the drive belt from the compressor pulley.

    Fig 1: Removing Procedure Compressor
    G01498800Courtesy of GENERAL MOTORS CORP.
  5. Remove the air baffle bolts.
  6. Remove the air baffle.
    Fig 2: Removing Air Baffle Bolts
    G01498801Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the electrical connector from the compressor.
  8. Disconnect the engine harness electrical connector.

    Reposition the engine harness away from the compressor.

    Fig 3: Disconnecting Electrical Connectors From Compressor
    G01498802Courtesy of GENERAL MOTORS CORP.
  9. Remove the suction hose to compressor nut.

    Important:  Cap or tape the open A/C hoses immediately to prevent system contamination.

  10. Disconnect the suction hose from the compressor.
  11. Remove the discharge hose to compressor nut.
  12. Disconnect the discharge hose from the compressor.
  13. Remove and discard the sealing washers.
  14. Cap or tape off the suction hose.
  15. Cap or tape off the discharge hose.
    Fig 4: Removing Suction Hose
    G01498803Courtesy of GENERAL MOTORS CORP.
  16. Remove compressor mounting bolts.
  17. Remove the compressor.

    Important:  Replacement compressors are partially precharged with PAG oil. Refer to REFRIGERANT SYSTEM CAPACITIES  .

  18. If replacing the compressor, balance the compressor oil. Refer to COMPRESSOR OIL BALANCING  .
    Fig 5: Removing Procedure Compressor Mounting Bolts
    G01498804Courtesy 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.