Drive Axles, Bearings and Joints: Testing and Inspection

TROUBLESHOOTING
GENERAL DIAGNOSTICS AND TESTS





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

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

To begin a successful diagnosis, fill out the questions.

Part 1:

Part 2:

Part 3:

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

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).
b. Loudness proportional to vehicle speed. Low frequency noise at high speeds, noise and loudness increase with speed.
2. Acceleration
- Light/moderate acceleration
a. Driveline shudder.
3. Cruising speeds
- Driveline vibration.