GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2009 🢒 Astra 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Reverse Clutch Housing and Input Shaft Assemble

Special Tools

    • J 23327 Clutch Spring Compressor
    • J 45124 Removal Bridge
    • SA9179NE Dial Indicator

For equivalent regional tools, refer to Special Tools.


    Object Number: 2029674 Size: SH
  1. Coat the reverse gear clutch piston inner and outer seals (564, 566) with ATF and install them on the reverse gear clutch piston (565).
  2. Coat the inner surface of the reverse gear clutch drum (567) with ATF.

    3. Object Number: 2002619 Size: SH
  3. Press the reverse gear clutch piston (565) into the reverse gear clutch drum (567), being careful not to damage the O-ring.

    4. Object Number: 2002615 Size: SH
  4. Place the reverse gear clutch spring (560) on the reverse gear clutch piston.

    5. Object Number: 2002614 Size: SH

    Note: Be sure the end gap of snap ring is not aligned with the spring retainer claw.

  5. Using the bridge and legs of the J 45124 removal bridge  (3) with the forcing screw of the J 23327 spring compressor  (2) and J 21420-2 (1) plate, which is part of J 23327 spring compressor , compress the reverse gear clutch spring (560).
  6. Install the reverse gear clutch spring retaining ring (559). Remove the tools.

    7. Object Number: 2002613 Size: SH

    Note: Be sure to alternate the order of plates-2 and discs-2.

  7. Install the reverse gear clutch plate assembly steel (557) and fiber (556) as shown in the figure.

    8. Object Number: 2002612 Size: SH
  8. Install the reverse gear clutch plate retaining ring (558).

    9. Object Number: 2002611 Size: SH
  9. Install a NEW input shaft seal ring-slotted (555).

    10. Object Number: 2002610 Size: SH
  10. Install the input shaft thrust bearing (551) and the input shaft thrust bearing race (552) with grease.

    11. Object Number: 2002609 Size: SH
  11. Install the input shaft (550) into the reverse gear clutch drum (567).
  12. Install the sun gear input flange (554).

    13. Object Number: 2002608 Size: SH
  13. Install the sun gear input flange retaining ring (553) with a screwdriver in the groove. Inspect the end gap of the retaining ring is not aligned with one of the cutouts.

    14. Object Number: 2002620 Size: SH

    Note: When measuring pack clearance of the reverse gear clutch, the input shaft and retaining ring must be removed.

  14. Install the reverse gear clutch drum sub assembly onto the fluid pump and set SA9179NE dial indicator as shown.
  15. When applying and releasing compressed air 392 KPa (56 psi) into the fluid passage as shown, measure the clearance of the reverse gear clutch plates. Clutch pack clearance 0.432-1.228 mm (0.017-0.048 in).