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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1151 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Suction Hose Replacement (LY7) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging .
  2. Remove the bolt that secures the suction hose to the evaporator outlet tube.
    3. Fig 1: View Of Evaporator Outlet Tube From The Suction Hose
    GM826687Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the evaporator outlet tube from the suction hose.
    4. IMPORTANT: Cap or tape the open A/C hose immediately to prevent system contamination.
  4. Cap or tape off the evaporator outlet tube.
    5. Fig 2: View Of Suction Hose To A/C Compressor Nut
    GM791146Courtesy of GENERAL MOTORS CORP.
  5. Remove the nut that secures the suction hose to the compressor.
  6. Disconnect the suction hose from the compressor.
  7. Cap or tape off the compressor suction port.
  8. Remove the suction hose.
  9. Remove and discard the sealing washers.
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