Manual Transmission
Manual Transmission Symptom Diagnosis
Condition
Engine is noisy (Noise
seems to come from the
transmission).
Transmission will not
shift.
Transmission will not
shift back.
Transmission jumps out
of gear.
Diagnostic Information and Procedures
Possible cause
Worn or rubbing gear.
Worn countershaft spline.
Worn driveshaft spline.
Worn or rubbing primary gear.
Worn bearing.
Broken gearshift cam.
Distorted gearshift fork.
Worn gearshift pawl.
Broken gearshift shaft return spring.
Rubbing or stuck gearshift shaft.
Worn or distorted gearshift fork.
Worn gear.
Worn or distorted gearshift fork.
Weakened gearshift stopper spring.
Worn gearshift pawl.
Manual Transmission:
Correction / Reference Item
Replace.
Replace countershaft.
Replace driveshaft.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Repair or replace.
Replace.
Replace.
Replace.
Replace.
Replace.
5B-1
B649G15204022