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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Compressor Replacement (LY7) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. 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 drive belts. Refer to Drive Belt Replacement .
  3. Remove the splash shield from the right side of the engine. Refer to Engine Splash Shield Replacement .
  4. Disconnect the electrical connector from the A/C compressor.
    5. Fig 1: Identifying A/C Compressor Hose Nut
    GM1539030Courtesy of GENERAL MOTORS CORP.
  5. Remove the compressor hose nut from the A/C compressor.
    6. IMPORTANT: Remove and discard all sealing washers.
  6. Remove the compressor hose from the A/C compressor.
    7. Fig 2: View Of Air Conditioning Compressor Bolts & Nut
    GM1539064Courtesy of GENERAL MOTORS CORP.
  7. Loosen the rear mounting bolt (1) from the A/C compressor.
  8. Remove the front mounting bolt (3) from the A/C compressor.
  9. Remove the front mounting nut (2) from the A/C compressor.
  10. Remove the A/C compressor.
    11. IMPORTANT: Replacement compressors are shipped with polyalkylene glycol (PAG) oil
  11. If replacing the compressor, balance the compressor oil. Refer to Compressor Oil Balancing .
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