Trouble Shooting
WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.
To trouble shoot most symptoms, see TROUBLE SHOOTING .
Whether a spring strut has to be replaced can only be ascertained by checking while it is installed with a Boge shock tester or, while it is removed, with a shock absorber test machine.
TROUBLE SHOOTING
| Symptom | Probable Cause | Remedy |
|---|---|---|
| Body Swinging Long After Driving Over Rough Road | Shock Absorber Effect Insufficient | Replace Shock Absorbers. |
| Grinding Noise (Louder When Cornering) | Wheel Bearings Faulty | Replace Wheel Bearings |
| Flattened Areas On Tire Profile | Shock Absorber Faulty | Replace Shock Absorbers |
| Rattling Noise | Ball Joints Of Control Arms Worn | Replace Control Arm |
| Rattling Noise | Ball Joint On Tension Strut Worn | Replace Tension Strut |
| Rattling Noise | Stabilizer Rubber Mounts Worn | Replace Rubber Mounts |
| Rattling Noise | Ball Joint On Stabilizer Link Worn | Replace Stabilizer Link |
| Rattling Noise | Front Axle Support Screws Connection With Body Loose | Tighten Screws (Check Threads) |
| Rattling Noise | Shock Absorber In Swivel Bearing Loose | Check Mount & Tighten Screws |
| Rising Of Body When Accelerating | Shock Absorber Effect Insufficient | Replace Shock Absorbers |
| Skidding In Bends Due To Poor Track Holding | Shock Absorber Effect Insufficient | Replace Shock Absorbers |
| Steering Wheel Shake | Wheels Out Of Balance | Balance Wheels |
| Steering Wheel Shake | Radial Rim Or Axial Runout | Replace Rims If Necessary |
| Steering Wheel Shake | Shock Absorber Effect Insufficient | Replace Shock Absorbers |
| Steering Wheel Shake | Excessive Play In Steering Gear | Determine Pressure Point & Replace Steering Gear |
| Steering Wheel Shake | Rubber Mount Of Tension Strut Defective | Replace Traction Strut Bearing |
| Vehicle Skidding When Braking | Shock Absorber Effect Insufficient | Replace Shock Absorbers |
| Vibration | Wheels Out Of Balance | Balance Wheels |
| Vibration | Radial Rim Or Axial Runout | Replace Rims If Necessary |
| Vibration | Tires Have Radial Runout | Match Or Replace Tires |
| Wheels Jumping Even On Normal Road Surfaces | Shock Absorber Effect Insufficient | Replace Shock Absorbers |
| Whipping Of Body When Driving Over Successive Rough Road Surfaces | Shock Absorber Effect Insufficient | Replace Shock Absorbers |