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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 12 (HVAC SYSTEMS - AUTOMATIC)REMOVAL & INSTALLATIONCOMPRESSORREMOVAL & INSTALLATION (4.0L ENGINE)
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8

Removal & Installation (4.0L Engine)

2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Removal & Installation (4.0L Engine)
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Discharge A/C system, using approved refrigerant recovery/recycling equipment. Remove drive belt. Raise and support vehicle. Remove right front wheel. Remove 13 fasteners and remove front air deflector. See Figure. Remove 5 retainers for right front inner fender panel. Disconnect washer hose form washer pump. Disconnect harness connector from washer pump. Disconnect harness connector from washer liquid level sensor. Remove 3 nuts from washer bottle and remove bottle. Remove right front brake line retainer clips from frame to allow brake lines to move. Disconnect suction and discharge hoses from compressor.
  2. Disconnect harness connector from Compressor. Remove 2 rear Compressor mounting bolts. Remove lower generator mounting bolt. Remove Compressor front mounting bolt. Remove Compressor mounting stud. Rotate Compressor to allow it to be removed from through wheelwell opening. See Fig 1.
  3. Drain and measure old compressor oil. To install, reverse removal procedure. Fill replacement Compressor with 2.7 ounces of oil. If amount drained is more than amount specified, add amount drained. Charge A/C system. See TORQUE SPECIFICATIONS .
Fig 1: Identifying A/C Compressor Fasteners (4.0 Liter)
G00305422Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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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.