| Problem |
Possible Cause |
Remedy/Repair |
| Shudder as car accelerates from stop or low speed |
- Loose U-joint
- Defective center bearing
|
- Tighten U-joint or have it replaced
- Have center bearing replaced
|
| Loud clunk in driveshaft when shifting gears |
- Worn U-joints
- Warn Rings and pinion gear
|
- Have U-joints replaced
- Replace rings and pinion gear.
|
| Roughness or vibration at any speed |
- Out-of-balance, bent or dented driveshaft
- Worn U-joints
- U-joint clamp bolts loose
|
- Have driveshaft serviced
- Have U-joints serviced
- Tighten U-joint clamp bolts
|
| Squeaking noise at low speeds |
- Lack of U-joint lubrication
|
- Lubricate U-joint; if problem persists, have U-joint serviced
|
| Knock or clicking noise |
- U-joint or driveshaft hitting frame tunnel
- Worn constant velocity joint
|
- Correct overloaded condition
- Have constant velocity joint
replaced
|
