Buick LeSabre 1965 Service Manual page 153

CLUTCH, S-M TRANSMISSIONS 46000 CLUTCH 4 - 1 7
5. Shift housing by tapping with
lead hammer as required to bring
run-out at pilot hole within .003"
indicator reading. Tighten housing
bolts and re-check run-out.
6. Using Special Reamer J 2548-3
and Ratchet Wrench J 808-6, ream
the dowel holes and install two
oversize dowel pins J 808- 5.
7. Mount dial indicator to bear
against rear face of flywheel
housing at a radius of 2 1/2", as
shown in Figure 4-14.
8. Turn crankshaft and note run-
out of housing rear face, making
sure that end thrust of crankshaft
is all one way while making this
check. If total indicator reading
exceeds .003", check for dirt or
burrs between h o u s i n g and
crankcase.
9. If no dirt or burrs are present,
cement paper shims of proper
thickness to crankcase in position
required to g i v e an indicator
reading of .003" or less, when all
bolts are securely tightened.
IAL INDICATOR
UPPORT
4710-1
SLEEVE KMO-30-K
10. Install
transmission.
clutch a n d
Figure 4-14—Checking Run-Out of Rear Face of Housing
4 - 1 2 4 6 0 0 0 SERIES CLUTCH TROUBLE DIAGNOSIS
SYMPTOM AND PROBABLE CAUSE PROBABLE REMEDY
FAILS TO RELEASE (PEDAL PRESSED TO FLOOR-SHIFT LEVER
DOES NOT MOVE FREELY IN AND OUT OF REVERSE GEAR)
a. Improper linkage adjustment
b. Improper pedal travel
c. Loose linkage
d. Faulty pilot bearing
e. Faulty driven disc
f. Fork off ball stud
g. Clutch disc hub binding on clutch gear
spline
SLIPPING
a. Improper adjustment (no lash)
a. Adjust linkage
b. Trim bumper stop and adjust linkage
c. Replace bushings
d. Replace bearing
e. Replace disc
f. Install properly and lubricate fingers at
throw-out bearing
g. Repair or replace clutch gear
a. Adjust linkage