Removal & Installation: Compressor: Removal

2004 Oldsmobile Bravada AWDSECTION Removal
WARNING: This page is about a different car, the 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: When replacing a failed compressor, inspect the expansion orifice tube for material build up. Clean or replace as necessary.
  1. Recover the refrigerant. See RECOVERY, EVACUATION & RECHARGING in GENERAL SERVICING PROCEDURES article in GENERAL SERVICING. Remove the drive belt. Raise the vehicle. Remove the right front fender liner. Disconnect the electrical connection from the compressor.
  2. Remove the hose assembly mounting bolt from the compressor. See Fig 1. Remove the hose assembly from the compressor. Remove and discard the sealing washers. Remove the compressor mounting bolts. Remove the compressor and the spacer. See Fig 2.
  3. If you will replace the same compressor, drain and measure as much of the oil from the compressor as possible using the following procedure:
    • Drain the oil from both the suction and the discharge ports into a clean container.
    • Remove the compressor crankcase oil drain plug and drain the crankcase oil into the same container.
    • Measure and record the amount of oil drained from the compressor.
    • This measurement will be used during the compressor installation procedure.
    Properly discard the used PAG oil.
Fig 1: Removing & Installing Compressor Hose (3.1L)
G00189612Courtesy 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.