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Home >> Chevrolet >> 2004 >> Optra Base, Automatic >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC Systems >> Repair Instructions >> Suction Hose Replacement >> Removal Procedure

Removal Procedure

    Fig 1: View Of Suction Hose And Block
    GM1308342Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
  1. Disconnect the negative battery cable.
  2. Discharge and recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  3. Remove the air cleaner housing bolts and the air filter housing assembly.
  4. Disconnect the electrical connector at the pressure transducer.
  5. Remove the suction block retaining nuts at the fire wall.
  6. Cap the openings to the expansion valve to prevent contamination.
    7. Fig 2: Identifying Suction Hose, Clamps And Bolts
    GM1308343Courtesy of GENERAL MOTORS CORP.
  7. Remove the suction hose support clamp bolts.
    8. Fig 3: View Of Discharge Hose, Block And Nut
    GM1308335Courtesy of GENERAL MOTORS CORP.
  8. Remove the retaining nut from the hose connecting block and disconnect the air conditioning hose assembly connector block from the compressor.
  9. Remove the A/C suction hose assembly.
  10. Cap the openings to the compressor to prevent contamination.
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