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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1296 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Air Conditioning Compressor Replacement (LLY/LMM) >> Removal Procedure

Removal Procedure

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    Fig 1: View Of Drive Belt Tensioner
    GM657564Courtesy of GENERAL MOTORS CORP.
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging (Non-HP2)  or Refrigerant Recovery and Recharging (HP2) .
  2. Install a ratchet into the belt tensioner adapter opening.
  3. Rotate the belt tensioner counterclockwise in order to relieve the tension on the belt.
  4. Remove the belt from the A/C compressor.
  5. Slowly release the tension on the belt tensioner.
    6. Fig 2: Identifying A/C Discharge & Suction Hoses (LB7)
    GM1240158Courtesy of GENERAL MOTORS CORP.
  6. Remove the discharge hose bolt (2) from the A/C compressor (3).
  7. Remove the discharge hose (1) from the A/C compressor (3).
    8. Fig 3: View Of A/C Suction Hose (LB7)
    GM1240163Courtesy of GENERAL MOTORS CORP.
  8. Remove the suction hose bolt (2) from the A/C compressor (3).
  9. Remove the suction hose (1) from the A/C compressor (3).
  10. Discard the sealing washers. Cap all of the openings.
  11. Disconnect the electrical connections.
    12. Fig 4: View Of A/C Compressor & Bolts (LB7)
    GM652574Courtesy of GENERAL MOTORS CORP.
  12. Remove the A/C compressor mounting bolts.
  13. If replacing the A/C compressor. Refer to Air Conditioning Compressor Oil Balancing (Non-HP2)  or Air Conditioning Compressor Oil Balancing (HP2) .
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