LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 840 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Replacement (LR4, LM7, and LQ4) >> Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  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.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  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 wheel house panel to the vehicle. Refer to WHEELHOUSE PANEL REPLACEMENT in Body Front End.
    Fig 1: Installing Compressor LR4, LM7, And LQ4
    G01454190Courtesy of GENERAL MOTORS CORP.
  10. Install the right front tire and wheel assembly. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  11. Install the A/C drive belt. Refer to DRIVE BELT REPLACEMENT -- AIR CONDITIONING in Engine Mechanical - 4.8L, 5.3L, and 6.0L.
  12. Evacuate and recharge the A/C system. Refer to REFRIGERANT RECOVERY AND RECHARGING  .
  13. Leak test the fittings of the component using the J 39400-A  .
scientia non olet · About LEMON Manuals