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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 (3.1L) >> 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 & Nut
    G01672615Courtesy 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
    G01672616Courtesy 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
    G01672617Courtesy 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).

  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 4: A/C Compressor Hose Nut At Accumulator
    G01672618Courtesy of GENERAL MOTORS CORP.