GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the negative battery cable. Refer to

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

    in General Information.
  2. Remove the TV cable from the transmission. Refer to Automatic Transmission Throttle Valve Cable Replacement .
  3. Remove the transmission mount bracket.
  4. Remove the valve body cover. Refer to Valve Body Cover Replacement .

  5. Object Number: 104317  Size: SH
  6. Remove the bolt that secures the TCC solenoid to the valve body.

  7. Object Number: 104608  Size: SH
  8. Remove the TCC solenoid.

  9. Object Number: 104314  Size: SH
  10. Remove the TCC solenoid wiring connector from the case connector.

  11. Object Number: 104314  Size: SH
  12. Disconnect the TCC wires from the pressure switches.

  13. Object Number: 104605  Size: SH
  14. Remove the TV lever bolts from the control valve body.

  15. Object Number: 104606  Size: SH
  16. Remove the TV lever.
  17. Remove the TV cable link.

  18. Object Number: 104594  Size: SH

    Important: Do not lose the six check balls. Do not remove the green bolt.

  19. Remove the remaining bolts that secure the valve body to the case cover.

  20. Object Number: 104601  Size: SH
  21. Remove the valve body from the case cover.
  22. Remove the green bolt.

  23. Object Number: 104595  Size: SH
  24. Separate the valve body from the oil pump assembly.
  25. Important: If any service is required on the valve body and/or oil pump, refer to 3T40 Unit Repair Manual.

  26. Remove the check ball behind the control valve assembly.

Installation Procedure

Tools Required

J 36850 Transjelâ„¢ Transmission Assembly Lubricant

  1. Install the check ball behind the oil pump assembly.

  2. Object Number: 104595  Size: SH
  3. Install the control valve body to the oil pump assembly.
  4. Install the check ball in the valve body.
  5. Notice: Use J 36850 or equivalent during assembly in order to retain checkballs or to lubricate components. Lubricants other than the recommended assembly lube changes the transmission fluid characteristics and causes undesirable shift conditions or filter clogging.

  6. Install the green bolt. If necessary, use J 36850 , or equivalent, in order to hold in place.

  7. Object Number: 104601  Size: SH
  8. Install the valve body to the case cover.

  9. Object Number: 104594  Size: SH
  10. Install the valve body to case cover bolts.

  11. Object Number: 104606  Size: SH
  12. Install the TV lever.
  13. Install the TV cable link.

  14. Object Number: 104605  Size: SH
  15. Install the TV lever bolts to the control valve body.

  16. Object Number: 104314  Size: SH
  17. Connect the TCC wires and the wiring connectors.

  18. Object Number: 104608  Size: SH
  19. Install the TCC solenoid.

  20. Object Number: 104317  Size: SH
  21. Install the TCC solenoid bolt to the valve body.
  22. Install the valve body cover with a new gasket. Refer to Valve Body Cover Replacement .
  23. Install the transmission mount bracket.
  24. Install the TV cable to the transmission. Refer to Automatic Transmission Throttle Valve Cable Replacement .
  25. Connect the negative battery cable.
  26. Adjust the TV cable. Refer to TV Cable Adjustment .
  27. Check the oil level.