Clutch: Service and Repair

Fig. 5 Clutch Replacement:

Fig. 6 Flywheel Bolt Tightening Sequence:

Fig. 7 Clutch Cover Tightening Sequence:

Remove clutch in numbered sequence shown in Fig. 5, noting the following:
1. Remove clutch cover as follows:
a. Install flywheel holding fixture tool No. 49-E011-1AO and clutch pilot tool No. 49-SE01-310A, or equivalents.
b. Loosen each bolt one turn at a time in a crisscross pattern until spring tension is released.
c. Remove clutch cover and disc.

2. Remove pilot bearing with puller tool No. 49-1285-071 and bearing removal tool No. 49-1285-073, or equivalents. Do not remove pilot bearing unless necessary.
3. Install flywheel mounting bolts in numbered sequence, Fig. 6. When reusing bolts, clean and apply sealant to threads; no sealant is necessary when new bolts are used.
4. Install clutch cover by tightening bolts evenly and gradually in sequence shown in Fig. 7. Tighten to specifications shown in Fig. 5.
5. Install pilot bearing into flywheel with suitable piece of pipe. Depth of press should be 0 - 0.16 inch.
6. Measure thickness of lining on clutch disc. Thickness should be a minimum of 0.012 inch.
7. Using dial indicator, measure clutch disc runout. Runout should be 0.027 inch maximum.
8. Using dial indicator, measure flywheel runout. Runout should be 0.008 inch maximum.
9. Inspect flatness of the pressure plate contact surface with a straightedge and feeler gauge. Warpage should not exceed 0.020 inch.
10. Reverse procedure to install. Tighten bolts to specifications shown in Fig. 5.