GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 25025-5 Dial Indicator Mounting Post - M6 x 1.00
    • J 36850 Assembly Lubricant

For equivalent regional tools, refer to Special Tools.


    Object Number: 828383  Size: SH

    Caution: 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.

  1. Install the 8 control valve body ball check valves (54) into the case passages.
  2. Use J 36850 lubricant or equivalent in order to hold the control valve body ball check valves in place.

  3. Install the TCC solenoid valve screen assembly (75) into the case.

  4. Object Number: 1300649  Size: SH
  5. Install the manual valve (319) into the control valve assembly.

  6. Object Number: 40639  Size: SH
  7. Install the J 25025-5 mounting post into the transmission case.
  8. Install the control valve body spacer plate gasket (48).
  9. Install the control valve assembly (44). Attach the manual valve (319) to the detent lever (711) while installing the control valve assembly (44).

  10. Object Number: 40640  Size: SH
  11. Install the transmission fluid pressure manual valve position switch (40).
  12. Install the transmission fluid pressure manual valve position switch bolts (76) finger tight.
  13. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 40641  Size: SH
  14. Tighten the bolts in the order shown. Tighten the bolts to 11 N·m (97 lb in).
  15. Remove the J 25025-5 mounting post .

  16. Object Number: 54709  Size: SH
  17. Install the manual shift shaft detent spring assembly (41) and bolts (35).
  18. Install the 2  wiring harness clamps (33) and bolts (35).
  19. Install the lube oil pipe (39) with the short end into the control valve assembly.
  20. Install the lube oil pipe retainer (37) and the bolt (35).
  21. Install the remaining control valve body assembly bolts (35).

  22. Object Number: 54712  Size: SH

    Caution: Tighten the control valve assembly bolts in a spiral pattern starting from the center. If the bolts are tightened in a random pattern, the valve bores may become distorted, which can inhibit valve operation.

  23. Tighten the control valve body assembly bolts in the order shown. Tighten the bolts to 11 N·m (97 lb in).