Toyota Celica Supra 1986 Service And Repair Manual page 238

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CLUTCH -Clutch Unit
(b) Using SST, install the pilot bearing.
SST 09304·3001 2
6. INSPECT DIAPHRAGM SPRING FOR WEAR
CL·9
Using calipers, measure the diaphragm spring for depth and
width of wear.
Limit: Depth 0.6 mm (0.024 in.)
Width 5.0 mm (0.197 in.)
7. IF NECESSARY, REPLACE PRESSURE PLATE
(a) Drill out the rivet heads.
(b) Usi ng a punch, drive out the rivets.
(c) Install a new pressure plate with special pressure plate
bolts and nuts. Torque the nuts.
Torque: 250 kg-em (18 ft·lb, 26 N-m)
(d) Stake the nuts.
8. INSPECT RELEASE BEARING
Turn the bearing by hand while applying force in the axial
direction.
NOTE: T he bearing is permanently lubricated and re·
quires no cleaning or lubrication.