GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Uplander Ext. 🢒 Transmission 🢒 Automatic Transmission - 4T65-E 🢒 Transmission Fluid Pressure Manual Valve Position Switch Replacement

Removal Procedure
  1. Remove the case side cover. Refer to Control Valve Body Cover Replacement .
  2. Disconnect the transaxle wiring harness.

    3. Object Number: 48220 Size: SH
  3. Remove the control valve body bolts (375, 379, 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. Object Number: 49332 Size: SH
  5. Inspect the fluid pressure manual valve position switch (395) for the following conditions:
    6. • Damaged electrical connector terminals
    • Damaged seals
    • Damaged switch membranes
    • Debris on the switch membranes

Installation Procedure

    Object Number: 48220 Size: SH
  1. Carefully install the fluid pressure manual valve position switch. Handle the switch carefully, the fluid pressure manual valve position switch is very delicate.

    2. Caution: Refer to Fastener Caution in the Preface section.

  2. Install the control valve body bolts (375, 379, 381) that mount the fluid pressure manual valve position switch to the control valve body (300).
    3. • Tighten the control valve body bolt (375) to 12 N·m (106 lb in) .
    • Tighten the control valve body bolt (379) to 16 N·m (12 lb ft) .
    • Tighten the control valve body bolt (381) to 8 N·m (70 lb in) .
  3. Connect the transaxle wiring harness.
  4. Install the case side cover. Refer to Control Valve Body Cover Replacement .