Service bulletin A4015462024687-4

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

NHTSA's summary

Supersedes Technical Service Bulletin Group 40 number 12-25 dated August 7, 2012. Steering wheel oscillation at highway speeds (typically between 70 and 85 mph). No vibration in the seat surface or other vehicle components. Audi original equipment tires are installed on the vehicle. If necessary, TSB 2022179 has been completed and the 1st harmonic of radial force of every tire and wheel assembly is below 18 lbs. at a tire pressure of 36 PSI (2.5 bar). Ride disturbances such as uneven roads, wheel imbalance, impermissibly high radial forces of the tires, or other rotating components on the front of the vehicle are transmitted to the steering wheel as a vibration or oscillation.

The document

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Components

Equipment and accessories, Steering

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