33 90... Rear Axle Troubleshooting
Observe troubleshooting for shock absorbers . See 33 90... TROUBLESHOOTING SHOCK ABSORBER
TROUBLESHOOTING TABLE
| Fault | Cause | Remedy |
|---|---|---|
| Grinding noise (only when cornering) | Troubleshooting brake system | |
| Wheel bearings faulty | Replace wheel bearings See 33 41 151 REPLACING LEFT OR RIGHT WHEEL BEARING ON REAR AXLE SHAFT | |
| Vibration (90 - 160 km/h) | Wheel imbalance | Balance wheels See 36 10 508 STATIONARY WHEEL BALANCING |
| Radial/lateral rim runout | Check rims , replace if necessary. See 36 10 715 CHECKING RIM FOR FACE AND RADIAL RUNOUT | |
| Radial tire runout | Match or replace tires See 36 10 209 CHECKING FRONT AND REAR WHEEL FOR FACE AND RADIAL RUNOUT and/or 36 12 001 CHANGING A TIRE (ON FRONT, REAR OR SPARE WHEEL) | |
| Imbalance in output shaft | Replace output shaft See 33 21 001 REMOVING AND INSTALLING/REPLACING LEFT OUTPUT SHAFT and/or 33 21 002 REMOVING AND INSTALLING/REPLACING RIGHT OUTPUT SHAFT | |
| Drumming | Rubber mount of final drive suspension faulty | Replace rubber mount See 33 17 004 REPLACING ALL FRONT RUBBER MOUNTS FOR REAR DIFFERENTIAL MOUNTING and 33 17 005 REPLACING RUBBER MOUNT FOR REAR DIFFERENTIAL MOUNTING AT REAR |
| Rubber mount of rear axle carrier faulty | Replace rubber mount See 33 33 111 REPLACING ALL RUBBER MOUNTS FOR REAR AXLE CARRIER | |
| Rattling noise | Refer to troubleshooting for shock absorbers . See 33 90... TROUBLESHOOTING SHOCK ABSORBER . | |
| Stabilizer link loose or defective | Check screw connection, replace stabilizer link if necessary. See 33 55 040 REPLACING STABILIZER LINK FOR REAR LEFT OR RIGHT STABILIZER | |
| Rubber mount of rear axle carrier loose or faulty | Check seat, replace rubber mount if necessary. See 33 33 111 REPLACING ALL RUBBER MOUNTS FOR REAR AXLE CARRIER | |
| Poor straight-running stability (steering wheel inclination) | Rubber mount of rear axle carrier faulty | Replace rubber mount See 33 33 111 REPLACING ALL RUBBER MOUNTS FOR REAR AXLE CARRIER |
| Rubber mount/ball joint of control or guide arm faulty | Replace control or guide arm See 33 32 071 REPLACING ONE UPPER CONTROL ARM and/or 33 32 091 REPLACING A GUIDE ARM | |
| Ball joint in wheel carrier faulty | Replace ball joint See 33 32 125 REPLACING A BALL JOINT IN LOWER STEERING KNUCKLE/WHEEL CARRIER | |
| Rubber mount of swinging arm faulty | Replace swinging arm See 33 32 064 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT SWINGING ARM | |
| Rear axle alignment incorrectly adjusted | Carry out chassis/wheel alignment check , align rear axle if necessary. See 32 00 ... TROUBLESHOOTING AFTER WHEEL/CHASSIS ALIGNMENT CHECK ON REAR AXLE | |
| Unsteady taking of curves due to self-steering or poor rear end track stability | Rubber mount of rear axle carrier faulty | Replace rubber mount See 33 33 111 REPLACING ALL RUBBER MOUNTS FOR REAR AXLE CARRIER |
| Rubber mount of final drive suspension faulty | Replace rubber mount See 33 17 004 REPLACING ALL FRONT RUBBER MOUNTS FOR REAR DIFFERENTIAL MOUNTING and/or 33 17 005 REPLACING RUBBER MOUNT FOR REAR DIFFERENTIAL MOUNTING AT REAR | |
| Refer to 33 90... TROUBLESHOOTING SHOCK ABSORBER . | ||
| Excessive tire wear | Front or rear axle alignment incorrectly adjusted | Carry out chassis/wheel alignment check , align rear axle if necessary. See 32 00 ... TROUBLESHOOTING AFTER WHEEL/CHASSIS ALIGNMENT CHECK ON REAR AXLE |