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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 149 (Heating, Ventilation & Air Conditioning) >> Repair Instructions >> Compressor Replacement (L26 L32) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 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 L32 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 using a 15mm box end wrench on the pulley nut.
  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 box end wrench.
  5. Remove the splash shield from the right side of the engine. Refer to Splash Shield Replacement - Engine in Body Front End.
  6. Remove the hose nut from the A/C compressor.
  7. Remove the hose from the A/C compressor.
    IMPORTANT: Remove and discard all sealing washers.
  8. Disconnect the electrical connector from the A/C compressor.
    9. Fig 1: View Of A/C Compressor
    GM1199944Courtesy of GENERAL MOTORS CORP.
  9. Loosen the rear mounting bolt from the A/C compressor.
  10. Remove the front mounting bolt from the A/C compressor.
  11. Remove the front mounting nut from the A/C compressor.
  12. Remove the A/C compressor.
    13. IMPORTANT: Replacement compressors are shipped with PAG oil
  13. If replacing the compressor, balance the compressor oil. Refer to Compressor Oil Balancing .
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