TSB Document:

Affected Component: SUSPENSION

Summary
Some vehicles may exhibit one or more of the following noises from the front suspension. A squeaking noise from the front shock absorber when turning the steering wheel at a vehicle stand still caused by stick-slip between the front strut bearing and the coil spring. A popping noise from the front shock absorber when passing over speed bumps caused by the bump stopper contacting the strut bearing when the shock absorber is compressed. A creaking noise from the lower arm when driving over road bumps at 20-40 km/h caused by stick- slip of the front lower arm bushing. The noise occurs when the road surface is wet or after a car washing, and becomes more noticeable as the speed bump gets higher. To correct these problems, the following changes have been made. For the squeaking and popping noise, the shape of the bump stopper has been modified and a protector has been installed onto the coil spring. For the creaking noise, the friction of the lower arm bushing has been reduced by adding a dry coating.

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Date Published
JUL 13, 2018
NHTSA TSB #
10143972
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