Buick LeSabre 1965 Service Manual page 199

CLUTCH, S-M TRANSMISSION
46000 4-SPEED TRANSMISSION 4 - 6 3
SYMPTOM AND PROBABLE CAUSE
LEAKS LUBRICANT (Cont'd)
d. Cover loose or gasket damaged.
e. Operating snaft seal leaks.
f. Idler shaft expansion plugs loose.
g. Countershaft loose in case.
h. Lack of sealant on bolts.
i. Worn extension oil seal.
EXCESSIVE BACKLASH IN ALL REDUCTION
GEARS
a. Worn countergear bearings.
b. Excessive end play in countergear.
NOISY IN ALL REDUCTION GEARS
a. Insufficient lubricant.
b. Worn or d a m a g e d clutch g e a r or
countergear.
NOISY IN ALL GEARS
a. Insufficient lubricant.
b. Worn countergear bearings.
c. Worn or damaged clutch gear and counter-
shaft drive gear.
d. Damaged clutch gear or mainshaft ball
bearings.
e. Damaged speedometer gears.
NOISY IN HIGH GEAR
a. Damaged clutch gear bearing.
b. Damaged mainshaft bearing.
c. Damaged speedometer gears.
NOISY IN NEUTRAL WITH ENGINE RUNNING
a. Damaged clutch gear bearing.
b. Damaged mainshaft pilot bearing roller.
PROBABLE REMEDY
d. Tighten cover or replace gasket.
e. Replace operating shaft seal.
f. Replace expansion plugs.
g. Replace case.
h. Coat bolts with sealant.
i. Replace seal.
a. Replace countergear bearings and shaft.
b. Replace countergear thrust washers.
a. Fill to correct level.
b. Replace faulty or damaged gears.
a. Fill to correct level.
b. Replace countergear bearings and shaft.
c. Replace worn or damaged gears.
d. Replace damaged bearings.
e. Replace damaged gears.
a. Replace damaged bearing.
b. Replace damaged bearing.
c. Replace speedometer gears.
a. Replace damaged bearing.
b. Replace damaged bearing roller.