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HOMESERVICE MANUALSCHEVROLET1999PICKUP C2500, 2D PICKUP, 6.5 F, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 671 (HEATING, VENTILATION AND AIR CONDITIONING)REPAIR INSTRUCTIONSCOMPRESSOR REPLACEMENT (3.8L)REMOVAL PROCEDURE
1999 Chevrolet Pickup C2500, 2D Pickup, 6.5 F, Standard

Removal Procedure

1999 Chevrolet Pickup C2500, 2D Pickup, 6.5 F, StandardSECTION Removal Procedure
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant. Refer to Refrigerant Recovery And Recharging  .

    Important:  The supercharged L67 engine utilizes two drive belts. The outer drive belt drives the supercharger. Only release the drive belt tension from the accessories drive belt tensioner.

  2. Release the drive belt tension by lifting or rotating the drive belt tensioner with a breaker bar.
  3. Remove the drive belt from the A/C compressor pulley and position the drive belt aside.
  4. Slowly release the tension from the drive belt tensioner and remove the breaker bar.
  5. Remove the lower air deflector. Refer to RADIATOR AIR BAFFLE AND DEFLECTOR REPLACEMENT-LOWER .
  6. Remove the splash shield from the right side of the engine. Refer to SPLASH SHIELD REPLACEMENT - ENGINE .
  7. Remove the A/C compressor hose nut from the compressor.
  8. Remove the A/C compressor hose from the compressor.

    Important:  Remove and discard all sealing washers.

  9. Disconnect the electrical connector from the A/C compressor.
    Fig 1: Identifying A/C Compressor (3.8 L)
    G01481892Courtesy of GENERAL MOTORS CORP.
  10. Remove the rear mounting bolts from the A/C compressor.
  11. Remove the front mounting nuts from the A/C compressor.
  12. Remove the A/C compressor.
  13. Remove the A/C compressor mounting bracket bolts.

    Important:  Replacement compressors are shipped without PAG oil

  14. If replacing the compressor, balance the compressor oil. Refer to Compressor Oil Balancing  .
Fig 2: Removing A/C Compressor & Mounting Bracket Bolts
G01481893Courtesy 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.