Buick LeSabre 1965 Service Manual page 185

CLUTCH, S-M TRANSMISSION
46000 SYNCHROMESH 4 - 4 9
SYMPTOM AND PROBABLE CAUSE
EXCESSIVE BACKLASH IN SECOND ONLY
a. Second speed gear thrust washer worn.
b. Mainshaft rear bearing not properly in-
stalled in case.
c. Worn countergear rear bearing.
EXCESSIVE BACKLASH IN ALL REDUCTION
GEARS
a. Worn countergear bearings.
b. Excessive end play in countergear.
LEAKS LUBRICANT
a. E x c e s s i v e amount of l u b r i c a n t in
transmission.
b. Loose or broken clutch gear b e a r i n g
retainer.
c. Clutch gear b e a r i n g retainer g a s k e t
damaged.
d. Cover loose or gasket damaged.
e. Operating shaft seal leaks.
f. Idler shaft expansion plugs loose.
g. Countershaft loose in case.
h. Lack of sealant on bolts.
i. Worn extension oil seal.
PROBABLE REMEDY
a. Replace thrust washer.
b. Replace bearing, lock or case as necessary.
c. Replace countergear bearings and shaft.
a. Replace countergear bearings and shaft.
b. Replace countergear thrust washers.
a. Drain to correct level.
b. Tighten or replace retainer.
c. Replace gasket.
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.