Manual Transmission: 5B-1
Transmission / Transaxle
Manual Transmission
Diagnostic Information and Procedures
Manual Transmission Symptom Diagnosis
B823H15204001
Condition Possible cause Correction / Reference Item
Engine is noisy (Noise
seems to come from the
transmission)
Worn or rubbing gear. Replace.
Worn countershaft spline. Replace countershaft.
Worn driveshaft spline. Replace driveshaft.
Worn or rubbing primary gear. Replace.
Worn bearing. Replace.
Transmission will not
shift
Broken gearshift cam. Replace.
Distorted gearshift fork. Replace.
Worn gearshift pawl. Replace.
Transmission will not
shift back
Broken gearshift shaft return spring. Replace.
Rubbing or stuck gearshift shaft. Repair or replace.
Worn or distorted gearshift fork. Replace.
Transmission jumps out
of gear
Worn shifting gears on driveshaft or
countershaft.
Replace.
Worn or distorted gearshift fork. Replace.
Weakened gearshift stopper spring. Replace.
Worn gearshift cam plate. Replace.