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Old 01-28-2009, 11:11 PM
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E150GT E150GT is offline
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Join Date: Sep 2006
Location: SAN ANTONIO, TEXAS
Posts: 1,148
Quote:
Originally Posted by tinypanzer View Post
Yeah, could be a vacuum leak but it sounds like textbook motor mount symptoms. i believe the seat thing was recorded in a test conducted by a magazine when these cars were new.


-tp
i have felt this vibration from time to time in my 420sel. it is a weird frequency totally out of tune with any other kind of idle grumpiness. its kinda like how the passenger seat can be moving up and down real fast on a totally smooth road.
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