Diesel Motor Mechanics maintain, test and repair diesel motors and the mechanical parts of trucks, buses and other heavy vehicles such as transmissions, suspension, steering and brakes. You usually need a certificate III in automotive diesel engine technology, automotive diesel fuel technology or another related field to work as a Diesel Motor Mechanic. These courses are often completed as part of an apprenticeship.
- Detects and diagnoses faults in engines and parts.
- Dismantles and removes engine assemblies, transmissions, steering mechanisms and other components, and checks parts.
- Repairs and replaces worn and defective parts and reassembles mechanical components, and refers to service manuals as needed.
- Reassembles engines and parts after being repaired.
- Tests and adjusts mechanical parts after being repaired for proper performance, diagnoses and tests parts with the assistance of computers.
- May inspect vehicles and issue roadworthiness certificates or detail work required to achieve roadworthiness.