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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1546 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Accumulator Tube Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the cap or tape from the accumulator hose, the rear evaporator tube, and the evaporator.
  2. Install a new O-ring to the accumulator hose. Refer to O-Ring Replacement .
    3. Fig 1: Accumulator Hose Bracket & Rear Evaporator Tube
    GM621747Courtesy of GENERAL MOTORS CORP.
  3. Position the accumulator hose with the rear evaporator tube and connect the assembly to the evaporator.
    4. Fig 2: Accumulator Hose, Evaporator & Bolt
    GM621748Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the bolt which retains the accumulator hose to the evaporator.

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

  5. Remove the cap or tape from the accumulator.
    6. Fig 3: Accumulator Hose & O-Ring
    GM297300Courtesy of GENERAL MOTORS CORP.
  6. Install a new O-ring to the accumulator hose. Refer to O-Ring Replacement .
  7. Connect the accumulator hose to the accumulator.
    8. Fig 4: Disassembling/Reassembling A/C Line Fittings
    GM297225Courtesy of GENERAL MOTORS CORP.
  8. Using a back-up wrench on the accumulator fitting (2), secure the accumulator hose fitting (1) to the accumulator.

    Tighten:  Tighten the fitting to 41 N.m (30 lb ft).

  9. Remove the cap or tape from the compressor hose.
  10. Install a new O-ring to the compressor hose assembly. Refer to O-Ring Replacement .
    11. Fig 5: Accumulator, Retaining Bolt & Compressor Hose Assembly
    GM95632Courtesy of GENERAL MOTORS CORP.
  11. Install the bolt which retains the compressor hose to the accumulator.

    Tighten:  Tighten the bolt to 20 N.m (15 lb ft).

  12. Remove the cap or tape from the front evaporator tube and the rear evaporator tube.
  13. Install new O-rings to the evaporator tube. Refer to O-Ring Replacement .
    14. Fig 6: Rear Evaporator Tube & Bolt
    GM621746Courtesy of GENERAL MOTORS CORP.
  14. Install the front evaporator tube to the rear evaporator tube with the retaining bolt.

    Tighten:  Tighten the bolt to 25 N.m (18 lb ft).

    15. Fig 7: Heater Pipe Bracket & Cowl
    GM621749Courtesy of GENERAL MOTORS CORP.
  15. Install the heater pipe bracket to the cowl stud.
  16. Install the nut which retains the heater pipe bracket.

    Tighten:  Tighten the nut to 10 N.m (89 lb in).

  17. Install the intake manifold. Refer to Intake Manifold Replacement in Engine Mechanical.
  18. Install the battery heat shield. Refer to Battery Heat Shield Replacement in Engine Electrical.
  19. Install the battery. Refer to Battery Replacement in Engine Electrical.
  20. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  21. Leak test the fittings of the component using J 39400-A  . See Special Tools and Equipment .
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