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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 677 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Accumulator Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install new O-ring seals. Refer to O-Ring Replacement .
  2. Install the retaining bracket (6) to the accumulator.
  3. Install the retaining bracket bolt (5). Tighten the bolt to 10 N.m (89 lb in).
  4. Install the accumulator (3).
  5. Install the accumulator bracket nut (4). Tighten the nut to 9 N.m (80 lb in).
  6. Install the nut (2) to the evaporator fitting. Tighten the nut to 16 N.m (12 lb ft).
  7. Install the compressor hose to the accumulator.
  8. Install the compressor hose nut to the accumulator. Tighten the nut to 16 N.m (12 lb ft).
  9. Connect the electrical connector to the A/C low pressure switch.
  10. Install the nut to the evaporator tube (3). Tighten the nut to 25 N.m (18 lb ft).
  11. Install the evaporator tube to the evaporator.
  12. Install the evaporator tube nut to the evaporator. Tighten the nut to 16 N.m (12 lb ft).
  13. Evacuate and recharge the system. Refer to Refrigerant Recovery & Recharging .
  14. Leak test the fittings of the component using the J 39400-A  .
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