This bulletin applies to 2010-2016 GMC Acadia and 2017 GMC Acadia Limited vehicles. Some customers may comment that there is a clunk/thump noise on acceleration once after each key cycle that may be mistaken as coming from the engine compartment or suspension.
Some 2010-2011 Ford Crown Victoria vehicles may exhibit a clunk or grind noise from the right front floor pan area during heavy braking or when driving on rough roads. The concern may be due to the vehicle body contacting the frame.
Diagnosing chassis issues, including noise, vibration and drivability concerns ranges from the simple to the difficult-to-pinpoint. In this article we’ll discuss a variety of tips, both vehicle-specific and generic. As part of the article, we’ve included insightful comments from Federal-Mogul Motorparts and Arnott.
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