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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Air Conditioning Compressor Replacement (LY2, LY5, LH6, L76, L92 and LMG) >> Installation Procedure

Installation Procedure

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    Fig 1: View of A/C Compressor & Bolts
    GM648141Courtesy of GENERAL MOTORS CORP.
  1. Install the A/C compressor (2) to the bracket (1) through the fender well. Insert the mounting bolt (3) into the lower right mounting boss before installing the A/C compressor.
  2. Install the A/C compressor to the bracket. Insert the mounting bolt into the lower right mount before installing the A/C compressor.
    3. NOTE: Refer to FASTENER NOTICE .
  3. Install the A/C compressor mounting bolts.

    Tighten:  Tighten the bolts to 50 N.m (37 lb ft).

  4. Connect the electrical connector to the A/C compressor.
  5. Install the A/C discharge hose to the compressor using new sealing washers. Refer to Sealing Washer Replacement .
  6. Install the A/C discharge hose bolt to the A/C compressor.

    Tighten:  Tighten the bolt to 16 N.m (12 lb ft).

  7. Install the A/C suction hose to the compressor using new sealing washers. Refer to Sealing Washer Replacement .
  8. Install the A/C suction hose bolt to the A/C compressor.

    Tighten:  Tighten the bolt to 16 N.m (12 lb ft).

  9. Install the A/C drive belt. Refer to Air Conditioning Compressor Belt Replacement .
  10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging (Non HP2)  or Refrigerant Recovery and Recharging (HP2) .
  11. Install the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  12. Leak test the fittings of the component using the J 39400-A  . See Special Tools .
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