1-2 Reverse Clutch Disassemble

Tools Required

• J 23327  Clutch Spring Compressor. See Special Tools .
• J 28585  Snap Ring Remover. See Special Tools .
• J 23456  Booster and Clutch Pack Compressor. See Special Tools .
• J 45184  Differential Bearing Race Installer. See Special Tools .

Fig 1: View Of 1-2 Reverse Clutch Plates
Courtesy of GENERAL MOTORS CORP.
1. Remove the 1-2 reverse clutch backing plate retaining ring (622) using J 28585  . See Special Tools .
2. Remove the following components:
   • The 1-2 reverse clutch backing plate (621)
   • The 6 1-2 reverse clutch fiber plates (620)
   • The 6 1-2 reverse clutch steel plates (619)
   • The 1-2 reverse clutch apply plate (618)
Fig 2: Removing 1-2 Reverse Clutch Piston Return Spring Retaining Ring
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Do not bend the 1-2 reverse clutch piston return spring assembly (601).
3. Place J 45184  (1) on the center of J 23456  (2). See Special Tools .
4. Place the transmission case cover (19) with the 1-2 reverse clutch piston assembly onto J 45184  (1). See Special Tools .
5. Using J 23327-1 (3), which is the bridge part of J 23327  , compress the 1-2 reverse clutch piston return spring assembly (601). See Special Tools .
6. Remove the 1-2 reverse clutch piston return spring retaining ring (600) using snap ring pliers.
7. Remove the pressure from J 23456  (2), remove J 23327-1 (3) and the 1-2 reverse clutch piston return spring assembly (601). See Special Tools .
8. Remove all tools.
Fig 3: Removing 1-2 Reverse Clutch Piston
Courtesy of GENERAL MOTORS CORP.
CAUTION: Wear safety glasses when using compressed air in order to prevent eye injury.
9. While pulling upward on the piston by hand, apply compressed air into the 1-2 reverse clutch fluid passage and remove the 1-2 reverse clutch piston (603).
10. Remove the 1-2 reverse clutch piston inner seal (602).
11. Remove the 1-2 reverse clutch piston outer seal (604).