Reverse Input Clutch Assemble

Special Tools

• J 23327-1:  Forward Clutch Spring Compressor (Bridge)
• J 25018-A:  Clutch Spring Compressor Adapter
• J 44571-1:  Reverse Input Clutch Piston Installer

Fig 1: Reverse Input Clutch Piston
Courtesy of GENERAL MOTORS CORP.
1. Inspect the reverse input clutch piston (607) for the following:
   • Damaged or porosity
   • Ring groove damage
2. Install the reverse input clutch inner and outer seals (608) on the piston.
Fig 2: Reverse Input Clutch Piston & Housing
Courtesy of GENERAL MOTORS CORP.
3. Install the J 44571-1:  piston installer inner (2) and outer (1) reverse input clutch piston installer.
4. Install the piston (607) into the housing (605).
5. Remove the J 44571-1:  piston installer.
Fig 3: Reverse Input Clutch Spring Assembly
Courtesy of GENERAL MOTORS CORP.
6. Inspect the reverse input clutch spring assembly (609) for bent, broken, distorted or damaged springs.
7. Install the reverse input clutch spring assembly (609).
Fig 4: Reverse Input Clutch Spring Retainer Ring
Courtesy of GENERAL MOTORS CORP.
8. Install the J 23327-1:  compressor (bridge) and the J 25018-A:  spring compressor adapter.
9. Install the reverse input clutch spring retainer ring (610).
Fig 5: Plates
Courtesy of GENERAL MOTORS CORP.
10. Inspect the belleville plate (611), the fiber plate assemblies (612B), the steel turbulator plates (612A) and the selective backing plate (613) for the following items:
    • Damaged tangs
    • Delamination
    • Excessive wear
    • Heat damage or wear
    • Surface finish
    • Flatness
Fig 6: Reverse Input Clutch Plates & Retaining Ring
Courtesy of GENERAL MOTORS CORP.
11. Install the reverse input clutch belleville plate (611), with the inner diameter up, into the reverse input clutch housing and drum assembly (605).
12. Install the reverse input clutch plates starting with a steel turbulator plate (612A) and alternate with a fiber plate assembly (612B).
13. Install the reverse input clutch selective backing plate (613).
14. Install the reverse input clutch retaining ring (614).