Suspension - Front End Rubbing Sound On Bumps

# 04-03-08-016B: Noise/Rubbing Sound from Stabilizer Shaft When Driving Over Bumps at Low Speeds (Replace Insulators) - (Jul 1, 2011)

Subject: Noise/Rubbing Sound from Stabilizer Shaft When Driving Over Bumps at Low Speeds (Replace Insulators)

Models:
2004-2007 Chevrolet Optra (Canada and Export Only)

This bulletin is being updated with new Correction and Parts Information. Please discard Corporate Bulletin Number 04-03-08-016A (Section 03 - Suspension).

Condition
Some customers may comment on a noise or rubbing sound coming from the stabilizer shaft. This sound is most noticeable when driving over bumps or rough surfaces.

Cause
This condition may be caused by the friction force between the stabilizer shaft and the insulator.

Correction
Important:
Before replacing any components, carefully diagnose the noise concern and inspect for loose fasteners.

Important:
Any residual grease or dirt should be cleaned from the stabilizer shaft before installing new insulators.

New insulators have been developed that have grooves on the inside. Replace the affected insulators following the appropriate procedures in SI.





Parts Information

Warranty Information





For vehicles repaired under warranty, use the above chart.





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