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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1709 (HVAC Systems - Troubleshooting) >> Repair Instructions >> Accumulator Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Disconnect the electrical connector from the A/C pressure switch.
  3. Remove the A/C low pressure switch.
    4. Fig 1: HVAC Accumulator
    GM735909Courtesy of GENERAL MOTORS CORP.
  4. Remove the nut (3) retaining the accumulator (4) to evaporator (1).
  5. Remove the compressor suction hose assembly from the accumulator.
  6. Remove and discard the O-ring seals.
  7. Remove the accumulator clamp nut.
  8. Remove the accumulator from the vehicle.
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