vibration just before Overdrive - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 05-21-2013, 01:46 PM Thread Starter
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vibration just before Overdrive

99 F250 super crew short bed, 4X4. 199k miles

i just bought this "new" truck over the weekend, initial test drive went fine, nothing too out of the ordinary. however after bringing th truck home ive noticed that my current 7.3L idles alot smoother than this one. also as ive driven the new one ive noticed it has developed a fit of vibration just before the truck goes into overdrive and is very noticeble while cruising at about 38-43 MPH even after that its still noticeble and almost sounds like a whirring sound with vibration in the seat of you pants feel.

had an alignment shop put in new ball joints, shocks, tierods and track bar. drives straight and no bump steer anymore, but i thnk this my also be why i notice the vibration even more that i know its not a steering issue.

tires are brand new and balanced

My DD and Work Truck
'99 F250, ext cab, long bed
Bully Dog 6 pos switch
AFE stage II intake

Last edited by stang_1973; 05-21-2013 at 01:49 PM.
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