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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1602 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Suction Hose Replacement (LR4, LM7, LQ4, L18 w/Denso) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 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. Install the suction hose to the accumulator using new sealing washers.
    NOTE: Refer to FASTENER NOTICE .
  3. Install the suction hose nut to the accumulator.

    Tighten 

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

    4. Fig 1: Installing Suction Hose & Nut To Accumulator
    G01479006Courtesy 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. 
    Fig 2: Installing Suction Hose Mounting Bolt To A/C Compressor
    G01479007Courtesy of GENERAL MOTORS CORP.
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