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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1319 (Heating, Ventilation & Air Conditioning) >> Repair Instructions >> Compressor Hose Assembly Replacement (3.8L) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the new sealing washers onto the A/C compressor hose assembly. Refer to Compressor Sealing Washers Replacement .
  2. Install the A/C compressor hose to the A/C compressor.
    Fig 1: A/C Compressor & Hose
    G01672622Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  3. Install the A/C compressor hose nut.

    Tighten 

    Tighten the nut to 33 N.m (24 lb ft).

    Fig 2: A/C Compressor Hose Nut
    G01672623Courtesy of GENERAL MOTORS CORP.
  4. Install the lower air deflector. Refer to RADIATOR AIR BAFFLE AND DEFLECTOR REPLACEMENT - LOWER .
  5. Lower the vehicle.

    Important:  Lubricate the new O-ring seals with mineral base 525 viscosity refrigerant oil.

  6. Install the new O-ring seal to the A/C compressor hose assembly. Refer to O-Ring Replacement .
  7. Install the A/C compressor hose to the accumulator.
    Fig 3: A/C Compressor Hose At Accumulator
    G01672624Courtesy of GENERAL MOTORS CORP.
  8. Install the A/C compressor hose nut (2) to the accumulator.

    Tighten 

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

    Fig 4: A/C Compressor Hose Nut At Accumulator
    G01672625Courtesy of GENERAL MOTORS CORP.
  9. Install the A/C compressor hose to the condenser.
  10. Install the A/C compressor hose nut to the condenser.

    Tighten 

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

  11. Install the air cleaner assembly. Refer to AIR CLEANER ASSEMBLY .
  12. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  13. Leak test the fittings of the component using J 39400-A  .
    Fig 5: A/C Compressor Hose Nut At Condenser
    G01672626Courtesy of GENERAL MOTORS CORP.