Overrun Clutch Assembly Assemble

Tools Required

• J 38729  Overrun Clutch Piston Seal Protector. See Special Tools .
• J 38734  Intermediate Spring Compressor Adapter. See Special Tools .
• J 23327  Clutch Spring Compressor. See Special Tools .

Fig 1: Installing J 38729 Onto Overrun Clutch Housing Assembly
Courtesy of GENERAL MOTORS CORP.
1. Install the J 38729  onto the overrun clutch housing assembly (504). See Special Tools .
2. Lubricate the seal on the overrun clutch piston assembly (505) with DEXRON® III transmission fluid.
3. Assemble the overrun clutch piston assembly (505) into the overrun clutch housing assembly (504).
NOTE: Keep the overrun clutch piston assembly level and rotate the piston in order to avoid damaging the seal.
4. Rotate the overrun clutch piston (505) in order to aid in assembly.
Fig 2: Compressing Overrun Clutch Spring Assembly
Courtesy of GENERAL MOTORS CORP.
5. Install the overrun clutch spring assembly (506) onto the overrun clutch piston assembly (505).
6. Using the J 23327  and the J 38734  , compress the overrun clutch spring assembly (506). See Special Tools .
7. Install the overrun clutch spring retainer ring (507).
Fig 3: Identifying Overrun Clutch Plates & Backing Plate
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Alternate the clutch plates, starting with the steel clutch plate (508) (3 steel, 3 composite).
8. Install the overrun clutch plates (508, 509).
9. Install the overrun clutch backing plate (510).
Fig 4: View Of Overrun Clutch Backing Plate Retainer Ring & Overrun Clutch Housing Assembly
Courtesy of GENERAL MOTORS CORP.
10. Install the overrun clutch backing plate retainer ring (511) on the overrun clutch housing assembly (504).