GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 23093 Center Support Alignment Tool


    Object Number: 28737  Size: SH

    Note: If the center support assembly has been reconditioned, you must use a new yellow-colored center support bolt in order to maintain proper bolt torque.

  1. Using the J 23093 alignment tool , locate the center support 2nd clutch fluid passage through the hole in the case bottom. Refer to Fluid Passages , Case Fluid Passages illustration.
  2. Push the J 23093 alignment tool toward the low and reverse band servo bore, seating the center support splines against the case splines.
  3. Caution: Do not use the front crossmember to support the vehicle or the crossmember may buckle.

    Note: Do not overtighten the center support bolt.

  4. Install the new center support bolt (25). Maintain pressure on J 23093 alignment tool while tightening the new center support bolt to 43 N·m (32 lb ft).
  5. Ensure that the center support bolt head is seated to the bottom of the case.

  6. Object Number: 657979  Size: SH
  7. Install a new rear oil cooler pipe fitting seal (91) onto the rear oil cooler pipe fitting (90).
  8. Install the rear oil cooler pipe fitting (90) into the transmission case and tighten the fitting to 35 N·m (26 lb ft).