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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1008 (Heating, Ventilation And Air Conditioning - Gas) >> Repair Instructions >> Discharge Hose Replacement (LR4, LM7,LQ4, L18) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. 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. Remove the discharge hose mounting bolt (2) from the A/C compressor.
    Fig 1: Identifying Suction/Discharge Hoses To A/C Compressor
    GM628247Courtesy of GENERAL MOTORS CORP.
  3. Remove the discharge hose (1) from the A/C compressor.
  4. Remove the upper radiator baffle. Refer toRadiator Air Baffle and Deflector Replacement - Upper in Engine Cooling.
    5. Fig 2: View Of Discharge Hose At Condenser
    GM363062Courtesy of GENERAL MOTORS CORP.
  5. Remove the discharge hose nut from the condenser.
  6. Remove the discharge hose from the condenser.
  7. Disconnect the electrical connector from the A/C recirculation switch.
  8. Remove the discharge hose from the vehicle.
  9. Discard all of the used sealing washers. Cap the system openings.
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