TRUCK SERVICE MANUAL
TRANSMISSION
Cause
Remedy
(Q)
CLUTCH SLIPPAGE IN FIRST AND REVERSE GEARS ONLY
1.
Low clutch slipping
1. Rebuild clutch and replace piston
sealrings
(R)
CLUTCH SLIPPAGE IN FIFTH AND REVERSE GEARS ONLY
1.
Fourth clutch slipping
1. Rebuild clutch and replace piston
sealrings
(S)
CLUTCH SLIPPAGE IN ALL FORWARD GEARS, BUT NO SLIPPAGE IN REVERSE
1.
Forward clutch slipping
1. Rebuild clutch and replace piston
sealrings
(W)
CLUTCH SLIPPAGE IN FOURTH GEAR ONLY
1.
Third clutch slipping
1. Rebuild clutch and replace piston
sealrings
(X)
CLUTCH SLIPPAGE IN THIRD GEAR ONLY
1.
Second clutch slipping
1. Rebuild clutch and replace piston
sealrings
(Y)
CLUTCH SLIPPAGE IN SECOND GEAR ONLY
1.
First clutch slipping
1. Rebuild clutch and replace piston
sealrings
(AB) VEHICLE MOVES IN NEUTRAL
1.
Range selector linkage out of adjustment
1. Adjust linkage properly
2.
Forward clutch will not release
2. Rebuild forward clutch
3.
Fourth clutch will not release
3. Rebuild fourth clutch
(AC) OIL THROWN FROM FILLER TUBE
1.
Dipstick loose
1.
Tighten cap; replace if necessary
2.
Oil level too high
2.
Drain oil to proper level (para 3-3)
3.
Breather clogged
3.
Clean or replace breather
4.
Dipstick gasket worn
4.
Replace gasket or dipstick
5.
Improper dipstick marking
5.
Replace dipstick
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