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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 910 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Hose Assembly Replacement (4.3L) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install a new O-ring seal. Refer to O-RING REPLACEMENT .
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the compressor hose assembly to the condenser.

    Tighten 

    Tighten the hose to 28 N.m (21 Ib. ft).

  3. Install the lower radiator hose. Refer to RADIATOR HOSE REPLACEMENT - INLET (4.3L) or RADIATOR HOSE REPLACEMENT - INLET (2.2L) in Engine Cooling.
  4. Install a new O-ring seal. Refer to O-RING REPLACEMENT .
    Fig 1: Installing Compressor Hose Assembly To Condenser
    G01466889Courtesy of GENERAL MOTORS CORP.
  5. Install the compressor hose assembly to the accumulator.

    Tighten 

    Tighten the hose to 48 N.m (35 Ib. ft).

  6. Install the sealing washers. Refer to COMPRESSOR SEALING WASHERS REPLACEMENT .
    Fig 2: Installing Compressor Hose Assembly To Accumulator
    G01466890Courtesy of GENERAL MOTORS CORP.
  7. Install the compressor hose assembly to the compressor.
  8. Install the compressor hose assembly washer (2) and the bolt (1).

    Tighten 

    Tighten the bolt to 33 N.m (24 Ib. ft).

  9. Evacuate and recharge the A/C system. Refer to REFRIGERANT RECOVERY AND RECHARGING .
  10. Leak test the fittings of the components using the J 39400-A. 
    Fig 3: Compressor Hose Assembly Washer & Bolt
    G01466891Courtesy of GENERAL MOTORS CORP.
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