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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 137 (Automatic Transaxle - 4T65-E (Introduction, Service & Replacement)) >> Repair Instructions >> Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Wiring Harness & Electrical Connectors
    GM48209Courtesy of GENERAL MOTORS CORP.
  1. Remove the case side cover. Refer to Case Side Cover Replacement .
  2. Disconnect and reposition the electrical connectors from the following:
    • Internal mode switch (IMS)
    • 2-3 Shift solenoid valve assembly (315B)
    • Automatic transaxle fluid pressure manual valve position switch assembly (395)
    3. Fig 2: Identifying Oil Pump Bolt Lengths And Positions
    GM164795Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do NOT remove the bolt (205) that holds the oil pump together.
  3. Remove the oil pump bolts (206,207).
    4. Fig 3: Oil Pump & Valve Body View
    GM48212Courtesy 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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