Center Support Bolt/Cooler Pipe Fitting Installation

Tools Required 

J 23093  Center Support Alignment Tool. See Special Tools .

Fig 1: Installing New Center Support Bolt
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: 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  , locate the center support 2nd clutch fluid passage through the hole in the case bottom. See Special Tools . Refer to Fluid Passages , Case Fluid Passages illustration.
2. Push the J 23093  toward the low and reverse band servo bore, seating the center support splines against the case splines. See Special Tools .
NOTE: Refer to Fastener Notice in Cautions and Notices.
IMPORTANT: Do not overtighten the center support bolt.
3. Install the new center support bolt (25).

   Tighten:  Maintain pressure on J 23093  while tightening the new center support bolt to 43 N.m (32 lb ft). See Special Tools .

4. Ensure that the center support bolt head is seated to the bottom of the case.
Fig 2: Installing Rear Oil Cooler Pipe Fitting & Seal
Courtesy of GENERAL MOTORS CORP.
5. Install a new rear oil cooler pipe fitting seal (91) onto the rear oil cooler pipe fitting (90).
6. Install the rear oil cooler pipe fitting (90) into the transmission case.

   Tighten:  Tighten the fitting to 35 N.m (26 lb ft).