Forward Clutch Assembly

1. Place forward clutch input shaft through hole in workbench.

Fig. 58, Forward clutch exploded view. 1987-90 units:

2. Remove clutch pack snap ring, Fig. 58.
3. Remove backing plate, composition plates and steel plates. On 1987-90 models, remove two steel waved plates on either end composition and steel plate assembly.
4. Using tools clutch pack compressor tool No. J-25018-A, No. J-23327 and arbor press No. J-23456, or equivalents, compress spring pack, then remove snap ring.
5. Remove tool No. J-25018-A and No. J-23327.
6. Remove retainer and spring assembly.
7. Remove forward clutch piston and insert.
8. Remove inner and outer piston seals and check for nicks.
9. Check forward clutch housing for cracks or broken welds.
10. Check input shaft splines and journals for damage.
11. Check input shaft sleeve for damage, ensuring that sleeve does not turn and that slot in sleeve is aligned with hole in input shaft.

Fig. 59, Oil seal ring installation:

12. Check input shaft Teflon seal rings for damage. If new seal rings are installed, ensure that cut ends are installed in the same way they are cut, Fig. 59.
13. Check forward clutch piston and apply ring for damage or cracks.
14. Install inner and outer seals on piston with lips facing forward clutch housing. Install forward clutch piston past large forward clutch snap ring groove carefully to avoid cutting seal in groove. Oil seal to facilitate installation.
15. Inspect and install forward clutch insert.
16. Install piston using tool around inner seal, then the outer seal.
17. Inspect and install spring guide.
18. Check forward clutch spring and retainer assembly for collapsed springs or bent retainer.

Fig. 60, Return spring assembly installation:

19. Install retainer and spring assembly, Fig. 60.
20. Using tools No. J-25018-A and No. J-23456, or equivalents, compress retainer spring assembly past snap ring groove.
21. Install snap ring, then remove tools.
22. Check selective backing plate for damage or cracks.
23. Check composition and steel plates for wear or burning, then lubricate composition plates.

Fig. 53, Clutch plate & apply ring usage chart. 1990 units:

24. Install clutch plates, starting with waved steel plate, alternating composition and flat steel plates until proper number of plates are installed, Fig. 53. On 1987-90 models, install outer steel waved plate.
25. Install backing plate with stamped identification side up.

Fig. 62, Forward clutch backing plate selection chart. 1987-90:

26. Install forward clutch backing plate snap ring, then measure endplay as shown in Fig. 62. If endplay is not between .040-.060 inch (1.0-1.5 mm), refer to Fig. 62 for correct backing plate selection.