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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1175 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Accumulator Replacement >> Installation Procedure

Installation Procedure

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  1. Add the specified amount of PAG oil to the accumulator. Refer to Figure .
    Fig 1: Accumulator
    G01418611Courtesy of GENERAL MOTORS CORP.
  2. Replace the accumulator lower insulator, if necessary:
    1. 2.1 Remove the paper backing from the lower insulator (1).
    2. 2.2 Position and install the insulator (1) to the bottom of the accumulator (2) as shown.
  3. Install the accumulator to the accumulator bracket.
  4. Tighten the accumulator bracket clamp bolt just enough to provide some resistance in rotating the accumulator.
    Fig 2: Locating Lower Insulator
    G01418612Courtesy of GENERAL MOTORS CORP.
  5. Install the accumulator and bracket to the vehicle.
  6. Remove the cap or tape from the accumulator hose and the accumulator.
    7. Fig 3: Installing Accumulator Hose To Accumulator
    G01418613Courtesy of GENERAL MOTORS CORP.
  7. Install a new O-ring. Refer to O-RING REPLACEMENT  .
  8. Install the accumulator hose to the accumulator.
  9. Align the accumulator to the accumulator hose and the rear evaporator tube as noted prior to removal.
    NOTE: Refer to FASTENER NOTICE .
  10. 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).

    Fig 4: Tightening Accumulator Hose Fitting
    G01418614Courtesy of GENERAL MOTORS CORP.
  11. Install the accumulator and bracket into position.
    12. Fig 5: Installing Accumulator Bracket Mounting
    G01418615Courtesy of GENERAL MOTORS CORP.
  12. Install the accumulator bracket mounting nuts.

    Tighten 

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

  13. Tighten the accumulator bracket clamp bolt.

    Tighten 

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

  14. Remove the cap or tape from the compressor hose and the accumulator.
  15. Install a new O-ring. Refer to O-RING REPLACEMENT  .
  16. Install the compressor hose to the accumulator.
  17. Install the compressor hose to accumulator retaining bolt.

    Tighten 

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

    Fig 6: Installing Compressor Hose To Accumulator
    G01418616Courtesy of GENERAL MOTORS CORP.
  18. Install the heater pipe bracket to the cowl stud.
    19. Fig 7: Installing Heater Pipe Bracket
    G01418617Courtesy of GENERAL MOTORS CORP.
  19. Install the heater pipe bracket retaining nut.

    Tighten 

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

  20. Install the battery heat shield. Refer to BATTERY HEAT SHIELD REPLACEMENT in Engine Electrical.
  21. Install the battery. Refer to BATTERY REPLACEMENT in Engine Electrical.
  22. Evacuate and recharge the A/C system. Refer to REFRIGERANT RECOVERY AND RECHARGING  .
  23. Leak test the fittings of the component using J 39400-A  .
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