Third Clutch and Sprag Unit

THIRD CLUTCH AND SPRAG UNIT





Disassembled View

Disassembly
1. Place the third clutch drum and intermediate shaft assembly upright, using the overdrive internal gear as a support.





2. Locate the end of the sprag retaining ring, compress near the end using a screwdriver through the side slot, and slide one tool blade of J-38450 (6 pieces) third clutch spring retaining ring tool between the ring and housing to hold the ring clear of the groove.
3. Repeat with a second tool blade near the other end of the retaining ring.
4. Repeat with a third tool blade opposite the first two.
5. Repeat with two further blades equally spaced apart.
6. Pull the input sun gear assembly unit (2) until the sprag retaining ring (1) clears the ring groove.
7. Remove the tool blades.
8. Remove input sun gear and sprag unit assembly (11 and 2) from the third clutch drum assembly (8).
9. Remove retaining washer (3), bearing (4), thrust washer (5), and clutch plates (6 and 7) from the third clutch drum assembly (8).

Inspection And Repair
Visual Check:
If any damage, deformation or wear is found, replace the damaged part.

Reassembly
1. Place third clutch drum and intermediate shaft assembly upright, using the overdrive internal gear as a support.
2. Install third clutch spring cushion plate (7), bevel face down.
3. Install third clutch plates (6) into third clutch drum assembly (8). Start with the steel clutch plate and alternate with lined plates.
4. Install thrust washer (5), bearing (4) and retaining washer (3).
5. Fully engage the hub spline of the input sun gear and sprag unit assembly (2) into the third clutch inner tangs.
- Simultaneously rotate the outer sprag race to engage into the third clutch drum assembly (8).





6. Install a tool blade of J-38450 (6 pieces) into the third clutch retaining ring tool at each extremity of the retaining ring (1).
7. Compress the retaining ring (1) with a screwdriver opposite the tool blades while pushing down on the outer sprag race.
8. Engage retaining ring (1) into groove.
9. Remove tool blades.