Drive Axles, Bearings and Joints: Testing and Inspection

TROUBLESHOOTING

GENERAL DIAGNOSTICS AND TESTS

To assist the service adviser and the technician, check the drive shaft condition with the questions listed below by filling them.

It serves as a place to record information reported as well as data from the testing to be carried out.

To begin a successful diagnosis, fill out the questions.





Once the concern is narrowed down to a symptom/condition, proceed to condition and Symptom Categories below.

Condition and Symptom Categories.

Operation Condition Vehicle is moving

Depends more one how the vehicle is operated

1. Speed related
- Related to vehicle speed
A. Noise occurs at specific vehicle speed. A high pitch noise (whine).

Go to troubleshooting.

B. Loudness proportional to vehicle speed. Low frequency noise at high speeds, noise and loudness increase with speed. Go to Troubleshooting.

2. Acceleration
- Light/moderate acceleration
A. Driveline shudder. Go to Troubleshooting.

3. Cruising speeds
- Driveline vibration. Go to Troubleshooting.