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Home >> Chevrolet >> 2006 >> Epica LT >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle - ZF 4HP 16 - Service And Repair >> Repair Instructions >> Control Valve Body Replacement >> Removal Procedure

Removal Procedure

    CAUTION: Refer to Battery Disconnect Caution .
  1. Remove the battery.
    2. Fig 1: View Of Park/Neutral Position Switch Electrical Connector
    GM1255924Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the transaxle wiring harness and the park/neutral position switch electrical connector.
    3. Fig 2: Locating Drain Plug
    GM1255915Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Vehicle Lifting and Jacking Notice .
  3. Raise and suitably support the vehicle.
  4. Remove the engine under cover.
  5. Use the DT 46475  (1) to remove the transaxle fluid drain plug. See Special Tools .
    6. Fig 3: Identifying Valve Body Mounting Bolts
    GM1255959Courtesy of GENERAL MOTORS CORP.
  6. Remove the oil pan and the oil pan gasket. Refer to Oil Pan and Gasket Removal .
  7. Remove the valve body mounting bolts.
  8. Remove the automatic transmission input speed sensor mounting bolt.
    9. Fig 4: View Of A/T Output Speed Sensor And Mounting Bolts
    GM1255960Courtesy of GENERAL MOTORS CORP.
  9. Remove the automatic transmission output speed sensor mounting bolt.
    10. Fig 5: View Of Control Valve Body
    GM1255962Courtesy of GENERAL MOTORS CORP.
  10. Remove the control valve body.
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