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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 207 (Automatic Transaxle - 4T65-E - Introduction (2 Of 2)) >> Repair Instructions >> Transmission Fluid Pressure (TFP) Manual Valve Position Switch Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the case side cover. Refer to Case Side Cover Replacement .
  2. Disconnect the transaxle wiring harness.
    3. Fig 1: View Of TFP Manual Valve Position Switch
    GM48220Courtesy of GENERAL MOTORS CORP.
  3. Remove the control valve body bolts (375, 379 and 381) that mount the fluid pressure manual valve position switch to the control valve body (300).
  4. Carefully remove the fluid pressure manual valve position switch. Handle the switch carefully, the fluid pressure manual valve position switch is very delicate.
    5. Fig 2: Inspecting Fluid Pressure Manual Valve Position Switch
    GM49332Courtesy of GENERAL MOTORS CORP.
  5. Inspect the fluid pressure manual valve position switch (395) for the following conditions:
    • Damaged electrical connector terminals
    • Damaged seals
    • Damaged switch membranes
    • Debris on the switch membranes
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