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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 874 (Automatic Transaxle Diagnosis, Service & Repair - 4T65-E) >> Repair Instructions >> Pressure Control Solenoid (PCS) Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. 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. Remove the pressure control solenoid (322).
    Fig 1: Removing Pressure Control Solenoid (PCS)
    G01501997Courtesy of GENERAL MOTORS CORP.


  1. Remove the case side cover. Refer to CASE SIDE COVER REPLACEMENT  .
  2. Disconnect the transaxle wiring harness.
  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.
    Fig 1: Removing Transmission Fluid Pressure (TFP) Manual Valve Position Switch Replacement (1 Of 2)
    G01501999Courtesy 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
    Fig 2: Removing Transmission Fluid Pressure (TFP) Manual Valve Position Switch Replacement (2 Of 2)
    G01502000Courtesy of GENERAL MOTORS CORP.
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