Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

Remove the case side cover. Refer to CASE SIDE COVER REPLACEMENT .
Disconnect the transaxle wiring harness.
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).
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 Control Valve Body Bolts
Courtesy of GENERAL MOTORS CORP.
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: Inspecting Fluid Pressure Manual Valve Position Switch
Courtesy of GENERAL MOTORS CORP.