7A1-6 MANUAL TRANSMISSION
DIAGNOSIS
Condition
Possible Cause Correction
Gears slipping out of
mesh
D Worn shift fork shaft
D Worn shift fork or synchronizer sleeve
D Weak or damaged locating springs
D Worn bearings on input shaft or countershaft
D Worn chamfered tooth on sleeve and gear
Replace.
Replace.
Replace.
Replace.
Replace sleeve and gear.
Hard shifting D Inadequate lubricant
D Improper clutch pedal free travel
D Distorted or broken clutch disc
D Damaged clutch pressure plate
D Worn synchronizer ring
D Worn chamfered tooth on sleeve or gear
D Worn gear shift control shaft joint bush
D Distorted shift shaft
Replenish.
Adjust.
Replace.
Replace clutch cover.
Replace.
Replace sleeve or gear.
Replace.
Replace.
Noise D Inadequate or insufficient lubricant
D Damaged or worn bearing(s)
D Damaged or worn gear(s)
D Damaged or worn synchronizer parts
Replenish.
Replace.
Replace.
Replace.