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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transaxle - 4T65-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Repair Instructions - On Vehicle >> Torque Converter Clutch Pulse Width Modulation Solenoid Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Locating Wiring Harness & Electrical Connectors
    GM48209Courtesy of GENERAL MOTORS CORP.
  1. Remove the case side cover. Refer to Control Valve Body Cover Replacement .
  2. Disconnect and reposition the electrical connectors from the following:
    • If equipped internal mode switch
    • 2-3 Shift solenoid valve assembly (315B)
    • Automatic transaxle fluid pressure manual valve position switch assembly (395)
    3. Fig 2: Locating Oil Pump Bolts
    GM893320Courtesy of GENERAL MOTORS CORP.
  3. Remove the oil pump bolts (230, 231).
    4. Fig 3: Locating Oil Pump Assembly
    GM893321Courtesy of GENERAL MOTORS CORP.
  4. Remove the oil pump (200) from the valve body (300).
    5. Fig 4: View Of TCC PWM Solenoid
    GM49380Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the torque converter clutch pulse width modulation (TCC PWM) solenoid electrical connector.
  6. Remove the TCC PWM solenoid retaining clip (314F).
  7. Remove the TCC PWM solenoid (334).
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