Title: Identify the causes of transmission noise, shifting concerns, lockup, jumping out-of-gear, overheating, and vibration problems.
Course: Diesel Equipment Technology III (20107-III) > Section: Drive Train: Servicing the Transmission

Identification should include

- following the manufacturer troubleshooting guide for proper transmission operation
- determining any needed action.

Probable causes may include

- improper clutch adjustment
- fluid loss
- broken clutch plate spring
- low oil level
- worn clutch control parts.

ASE 4: II. Drive Train: C. Transmission (P-1)

Process/Skill Questions:

- What is the cause of low/no transmission oil?
- What are the signs of a worn clutch disk/flywheel?
- What is the effect of a worn-out clutch brake?
- What is the effect of a pilot bearing failure?