Buick LeSabre 1965 Service Manual page 142

4 - 6 45000 CLUTCH
CLUTCH, S-M TRANSMISSIONS
2. Install the pressure plate and
driven plate. Support both as-
semblies with a spare main drive
gear.
NOTE: Be sure to align marks
on clutch cover with the mark
made of the f l y w h e e l on
disassembly.
3. Install all bolts so that clutch
is drawn in place square with fly-
wheel. Each bolt must be drawn
one turn at a time to avoid bend-
ing the c l u t c h cover flange.
Torque bolts to 30-40 ft. lbs.
4. Lubricate the ball stud and
clutch fork with wheel bearing
lubricant and install clutch fork.
NOTE: Check and insure that
COAT THIS GROOVE
- P A C K THIS RECESS
Figure 4-5—Throw-Out Bearing
Lubrication
fork retaining spring is tight on
pivot ball stud.
5. Install flywheel housing.
CAUTION: Insure that dowel
pins are in place in crankcase.
6. Lubricate the recess on the
inside of the throw-out bearing
collar. See Figure 4-5.
CAUTION: Be careful not to use
too much lubricant.
7. Install throw-out bearing as-
sembly and hook up all clutch
linkage.
NOTE: Make certain clutch fork
is seated in throw-out bearing.
(See Figures 4-1 and 4-2.)
8. Install transmission as out-
lined in paragraph 4-15.
4 - 5 4 5 0 0 0 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)
b. Oil soaked driven disc
c. Worn facing or facing torn from disc
d. Warped pressure plate or flywheel
e. Weak diaphragm spring
f. Driven plate not seated in
g. Driven plate overheated
a. Adjust linkage
b. Adjust linkage
c. Replace bushings
d. Replace bearing
e. Replace disc
f. Install properly and lubricate fingers at
throw-out bearing
g. Lubricate if worn replace
a. Adjust linkage
b. Install new disc and correct oil leak at its
source
c. Replace disc
d. Replace same
e. Replace cover assembly
f. Make 20-50 normal starts
g. Allow to cool—Check lash