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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1319 (Heating, Ventilation & Air Conditioning) >> Repair Instructions >> Compressor Replacement (3.8L) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 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 .
  2. Remove the accessory drive belt. Refer to DRIVE BELT REPLACEMENT (L36) or DRIVE BELT REPLACEMENT (L67) .
  3. Remove the lower air deflector. Refer to RADIATOR AIR BAFFLE AND DEFLECTOR REPLACEMENT - LOWER .
  4. Remove the splash shield from the right side of the engine. Refer to SPLASH SHIELD REPLACEMENT -- ENGINE .
    Fig 1: A/C Compressor, Drive Belt, Hose & Nut
    G01672552Courtesy of GENERAL MOTORS CORP.
  5. Remove the A/C compressor hose nut from the compressor.
  6. Remove the A/C compressor hose from the compressor.

    Important:  Remove and discard all sealing washers.

  7. Disconnect the electrical connector from the A/C compressor.
  8. Remove the rear mounting bolts from the A/C compressor.
  9. Remove the front mounting nuts from the A/C compressor.
  10. Remove the A/C compressor.
  11. Remove the A/C compressor mounting bracket bolts.
    Fig 2: A/C Compressor, Rear & Front Mounting Bolts, Bracket & Bolts
    G01672553Courtesy of GENERAL MOTORS CORP.
  12. If replacing the compressor, drain and measure as much of the oil as possible from the removed compressor:
    1. 12.1. Drain the oil from both the suction and discharge ports of the removed compressor into a clean container.
    2. 12.2. Remove the compressor crankcase oil drain plug (1) and drain the crankcase oil into the same container.
    3. 12.3. Measure and record the amount of oil drained from the removed compressor.

      This measurement will be used during installation of the replacement compressor.

    4. 12.4. Properly discard the used PAG oil.
      Fig 3: Compressor Crankcase Oil Drain Plug
      G01672554Courtesy of GENERAL MOTORS CORP.
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