4th and 5th/Reverse Clutch Assembly Assemble

Tools Required

• J 23327  Spring Compressor
• J 45124  Removable Bridge. See Special Tools .

Note these items during assembly:

• Apply automatic transmission fluid to all O-ring seals before assembly.
• Soak all clutch fiber plates in automatic transmission fluid for a minimum of 30 minutes.

Fig 1: Inner, Outer O-Ring Seals & Clutch Piston
Courtesy of GENERAL MOTORS CORP.
1. Install new inner (618) or (634) and outer O-ring seals (617) or (633) on the clutch piston (616) or (632).
Fig 2: Clutch Piston Assembly & Clutch Housing
Courtesy of GENERAL MOTORS CORP.
2. Install the clutch piston assembly (616) or (632) into the clutch housing (635).
   • Apply even hand pressure and rotate the clutch piston assembly.
   • Ensure proper seating.
   • Do not pinch the O-ring seal by installing the piston with excessive force.
Fig 3: View Of Clutch Return Spring & Components
Courtesy of GENERAL MOTORS CORP.
3. Install the clutch return spring (614) or (630).
4. Install the clutch return spring retainer cap (613) or (629).
5. Install the clutch piston return spring retaining ring (612) or (628) on the clutch piston return spring retainer cap (613) or (629).
Fig 4: J 45124, J 23327, Clutch Piston Return Spring, Retaining Ring & Clutch Spring Retainer Cap
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Position the legs of the J 45124  on the spring retainer cap only where the spring is in contact with the cap. See Special Tools .
6. Using the bridge and legs of the J 45124  (3) with the forcing screw of J 23327  (2) and J 21420-2 (1) plate of J 23327  , compress the clutch piston return spring (614) or (630) until the groove for the clutch spring retainer cap retaining ring (612) or (628) is accessible. See Special Tools .
   • Adjust the legs of the J 45124  to have full contact with the clutch piston return spring retainer cap (613) or (629). See Special Tools .
   • Ensure the legs remain in position where the spring retainer cap is in contact with the spring.
Fig 5: Clutch Piston Return Spring Retaining Cap
Courtesy of GENERAL MOTORS CORP.
7. Install the clutch piston return spring retaining cap retaining ring (612) or (628).
8. Remove the tools.
Fig 6: View Of Spring Plate And Clutch Piston Assembly
Courtesy of GENERAL MOTORS CORP.
9. Install the spring plate (615) or (631) into the groove of the clutch piston assembly (616) or (632) with the cone side down.
Fig 7: 4th & 5th/Reverse Clutch Assembly Components
Courtesy of GENERAL MOTORS CORP.
10. Install a clutch steel plate (611) or (627).
11. Install a clutch fiber plate (610, 626).
12. Alternately install the steel plates and the fiber plates, installing the clutch steel wave plates (650) or (651) in the top 2 positions.
13. Install the clutch selective backing plate (609) or (625).
14. Install the backing plate retaining ring (608) or (624).
15. Measure the clutch backing plate clearance. Refer to Clutch Backing Plate Clearance Measurement .