Very noticable vibration
#21
Mine is a 2011 ecoboost. And was vibrating under moderate acceleration and really bad when pulling a trailer. It ended up being 3 quarts low on fluid. Check and fill cap is under the truck on the passenger side. The dipstick is concealed under a metal cap.
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jprevat (02-26-2020)
#22
Senior Member
Thread Starter
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Thank you for the idea . I've been meaning to service the trans anyways so I may as well give it a shot.