TSB Document:

Affected Component: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM

Summary
"SITUATION: A 'KNOCK' SOUND FROM ONE OR BOTH FRONT AIR SPRINGS WHEN TRAVELING OVER SPEED BUMPS AT LOW SPEED MAY BE EVIDENT. UPON REMOVAL OF THE AIR SPRING AND INVERTING IT FOR A PERIOD OF APPROXIMATELY ONE MINUTE, HYDRAULIC FLUID IS FOUND TO FLOW FROM THE AIR SUSPENSION PIPE 'VOSS' CONNECTOR. CAUSE: THIS MAY BE CAUSED BY A LEAK FROM HYDRAULIC DAMPER CHAMBER OF THE AIR SPRING."

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Date Published
JAN 06, 2014
NHTSA TSB #
10100983
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