If the suspension has been checked and the noise persists, the culprit is almost certainly the… Steering Column. This problem is chronic in the first and second generation of the C3.
- The Real Problem: The steering column has a crosshead (Universal joint) and a telescopic system for height and depth adjustment. Over time, the original lubrication dries out or the internal bushing of the column develops a slight play. This causes any vibration from the wheels to be transmitted and amplified inside the column, generating a “loose parts” noise just below the dashboard.
- Quick Diagnosis: With the car stopped, quickly rock the steering wheel to the left and to the right. If you hear a “clunk-clunk” coming from the area of the pedals or behind the steering wheel, the problem is in the steering column and not the external suspension.
- Electrical System: It’s worth remembering that the direction of the C3 is fully electric. If, in addition to the noise, you feel the steering is heavy, check the… power fuse (Maxi-Fuse) which is hidden in the BSM (under the hood), usually of 70A or 80A.
Solution: Often, a specialized lubrication Applying white lithium grease to the telescopic joint (near the pedals) resolves 90% of the noise. In cases of excessive play, it is necessary to replace the steering shaft or recondition the inner bushing.
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