2003 4wd banging when shifting gears after transmission replaced. | Ford Explorer Forums - Serious Explorations

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2003 4wd banging when shifting gears after transmission replaced.

mennitti

Member
Joined
August 17, 2011
Messages
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City, State
Punxsutawney, PA
Year, Model & Trim Level
2003 Sport Trac XLT
I have a 2003 Sport Trac with a replaced transmission. When driving in 4wd high there is a loud bang that shakes the truck every time it upshifts and downshifts to all gears. Is this something programming related or mechanical?
Thank you.
 






Would a bad ball joint on the passenger side likely be the problem?
 






Do you know anyone with a tuner you could borrow for 20 minutes or so? There's a bunch of stuff it could be but if you can hook it up to a tuner and read the voltage outputs on your shift soleonoids while you're driving, you can narrow it down way quicker. I've had 3 sport tracs, only the one I currently own has had transmission issues - it ended up being the valve body gasket (very common issue with earlier models). We diagnosed it by driving it around with a tuner and one of the shift soleonoids never registered any voltage output.
 






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