MANUAL TRANSMISSION SYSTEM PROBLEM SYMPTOMS TABLE

Tech Tips

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the ''Suspected Area'' column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Manual Transmission System
Symptom Suspected Area Link
Noise Manual transmission oil level (low)

Click here

Manual transmission oil grade (wrong)

Click here

Gear (Input shaft) (worn or damaged)

Click here

Gear (Output shaft) (worn or damaged)

Click here

Gear (Counter shaft) (worn or damaged)

Click here

Bearing (Input shaft) (worn or damaged)

Click here

Bearing (Output shaft) (worn or damaged)

Click here

Bearing (Counter shaft) (worn or damaged)

Click here

Oil leakage Manual transmission oil level (high)

Click here

Gasket (damaged) -
Transmission front bearing retainer oil seal (worn or damaged)

Click here

Manual transmission extension housing oil seal (worn or damaged)

Click here

Bearing (Output shaft) (worn or damaged)

Click here

O-ring (worn or damaged) -
Hard to shift or will not shift Shift fork (worn)

Click here

Synchronizer ring (Manual transmission unit) (worn or damaged)

Click here

Synchronizer ring (Input shaft) (worn or damaged)

Click here

Synchronizer ring (Output shaft) (worn or damaged)

Click here

Shifting key spring (Manual transmission unit) (damaged)

Click here

Shifting key spring (Output shaft) (damaged)

Click here

Shifting key spring (Input shaft) (damaged)

Click here

Hub sleeve (Output shaft) (worn or damaged)

Click here

Hub sleeve (Input shaft) (worn or damaged)

Click here

Jumps out of gear Shift fork (worn)

Click here

Gear (Input shaft) (worn or damaged)

Click here

Gear (Output shaft) (worn or damaged)

Click here

Gear (Counter shaft) (worn or damaged)

Click here

Bearing (Input shaft) (worn or damaged)

Click here

Bearing (Output shaft) (worn or damaged)

Click here

Bearing (Counter shaft) (worn or damaged)

Click here

Hub sleeve (Output shaft) (worn or damaged)

Click here

Hub sleeve (Input shaft) (worn or damaged)

Click here