33 90 ... Troubleshooting Shock Absorber
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 BMW 750i, 2008 BMW 750Li, 2007 BMW 750i, 2007 BMW 750Li, and 2006 BMW 750i. However, it is still accessible from the selected car via links, so may be relevant.
Read and comply with Information on replacing shock absorbers . See 33 00 ... INFORMATION ON REPLACING SHOCK ABSORBERS .
TROUBLESHOOTING REFERENCE
| Fault | Cause | Remedy |
|---|---|---|
| Wheel knocking (bottoming) | Auxiliary spring faulty | Visually inspect auxiliary spring for cracking, replace auxiliary spring . See 33 52 131 REPLACING REAR LEFT OR RIGHT SPRING STRUT SHOCK ABSORBER . |
| Shock absorber leaking (oil/gas) | Replace shock absorber . See 33 52 100 REMOVING AND INSTALLING REAR LEFT OR RIGHT SPRING STRUT SHOCK ABSORBER . | |
| Rattling noise | Shock absorber mounting loose | Tighten shock absorber . See 33 52 100 REMOVING AND INSTALLING REAR LEFT OR RIGHT SPRING STRUT SHOCK ABSORBER . |
| Support bearing loose | Secure support bearing . See 33 52 131 REPLACING REAR LEFT OR RIGHT SPRING STRUT SHOCK ABSORBER . | |
| Support bearing defective (cracked) | Visually inspect for cracking, replace support bearing . See 33 52 131 REPLACING REAR LEFT OR RIGHT SPRING STRUT SHOCK ABSORBER . | |
| Protective tube defective/failed | Visually inspect protective tube for cracking, replace protective tube | |
| Rubber mount/joint eye for lower shock absorber mounting defective | Replace rubber mount/joint eye. | |
| Shock absorber leaking (oil/gas) | Replace shock absorber . See 33 52 100 REMOVING AND INSTALLING REAR LEFT OR RIGHT SPRING STRUT SHOCK ABSORBER . | |
| Worn down areas (flattened areas) on tire profile | Shock absorber leaking (gas/oil) | Replace shock absorber . See 33 52 100 REMOVING AND INSTALLING REAR LEFT OR RIGHT SPRING STRUT SHOCK ABSORBER . |
| Long after-swinging of body after driving over rough road | Shock absorber leaking (insufficient shock absorber effect) | Replace shock absorber . See 33 52 100 REMOVING AND INSTALLING REAR LEFT OR RIGHT SPRING STRUT SHOCK ABSORBER . |
| Building-up of body in case of successive uneven surfaces | Shock absorber leaking (insufficient shock absorber effect) | Replace shock absorber . See 33 52 100 REMOVING AND INSTALLING REAR LEFT OR RIGHT SPRING STRUT SHOCK ABSORBER . |
| Wheels jumping even on normal road surfaces | Shock absorber leaking (insufficient shock absorber effect) | Replace shock absorber . See 33 52 100 REMOVING AND INSTALLING REAR LEFT OR RIGHT SPRING STRUT SHOCK ABSORBER . |