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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1008 (Heating, Ventilation And Air Conditioning - Gas) >> Repair Instructions >> Suction Hose Replacement (LR4, LM7, LQ4, L18 w/Denso) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the suction hose to the vehicle.
    2. Fig 1: Removing/Installing Suction Hose From Accumulator
    GM363139Courtesy of GENERAL MOTORS CORP.
  2. Install the suction hose to the accumulator using new sealing washers.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the suction hose nut to the accumulator.

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

    4. Fig 2: Identifying Suction/Discharge Hoses To A/C Compressor
    GM628247Courtesy of GENERAL MOTORS CORP.
  4. Install the suction hose (2) to the compressor using new sealing washers.
  5. Install the suction hose mounting bolt to the A/C compressor.

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

  6. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  7. Leak test the fittings of the component using the J 39400-A  .
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