Center Support Assembly Assemble

Tools Required

• J 21363  Intermediate Clutch Inner Seal Protector. See Special Tools .
• J 23327  Clutch Spring Compressor. See Special Tools .
• J 36850  Transjel® Lubricant
• J 38734  Intermediate Spring Compressor Adapter. See Special Tools .

1. Install the oil cooler pipe fitting seal (690) into the center support assembly (640).
   Fig 1: View Of Oil Cooler Pipe Fitting Seal

   Courtesy of GENERAL MOTORS CORP.
2. Lubricate the new inner (637) and outer (638) intermediate clutch piston seals, and the seal pockets in the intermediate clutch piston (636) with DEXRON®VI transmission fluid.
   Fig 2: Illustrating Inner And Outer Intermediate Clutch Piston Seals Alignment

   Courtesy of GENERAL MOTORS CORP.
3. Install the inner (637) and outer (638) intermediate clutch piston seals onto the intermediate clutch piston (636) with the seal lips facing away from the spring pockets.
4. Using the J 21363  , install the intermediate clutch piston (636) onto the center support assembly (640). See Special Tools . Use a fine feeler gauge blade to assist with installing the piston outer seal.
   Fig 3: Using J 21363 To Install Intermediate Clutch Piston

   Courtesy of GENERAL MOTORS CORP.
5. Remove the J 21363  . See Special Tools .
6. Install the intermediate clutch spring assembly (635). Align the springs with the pockets in the intermediate clutch piston.
   Fig 4: Installing Retainer Ring On Intermediate Clutch Spring Assembly

   Courtesy of GENERAL MOTORS CORP.
7. Using the J 38734  and the J 23327  , install the intermediate clutch spring retainer ring (634). See Special Tools .
8. Remove the J 38734  and the J 23327  . See Special Tools .
NOTE: Do not overexpand the oil seal rings. Damage to the rings may result.
Fig 5: Locating Direct Clutch Housing Oil Seal Rings
Courtesy of GENERAL MOTORS CORP.
9. Install the new direct clutch housing oil seal rings (639) onto the center support assembly (640).
10. Use J 36850  or equivalent in order to keep the oil seal rings in place.