Rear Diff...

[zakstang]

Is rear diff a part that can be swapped at home with no reprogramming or does ford have to reprogram this diff/recalibrate? I have the "acceleration shake" around 45-55mph..dont feel it in the steering wheel but whole car shakes..swapped one of the rear cv joints which I thought was bad as when I grab it while under car it moves in a way it shouldnt....put new shaft in there and it appears the bearing on both sides of the diff from the cv joint inputs are bad...drivers side way worse than the passenger....front cv joints and related parts seem ok still...i have 70k miles on the vehicle...no issues up to this point...id rather not pay for multiple thousands of $$ to replace parts i can replace myself...but i have no way to recalibrate the rear if in fact that is needed


thanks in advance

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[Robot-Wrangler]

Is rear diff a part that can be swapped at home with no reprogramming or does ford have to reprogram this diff/recalibrate? I have the "acceleration shake" around 45-55mph..dont feel it in the steering wheel but whole car shakes..swapped one of the rear cv joints which I thought was bad as when I grab it while under car it moves in a way it shouldnt....put new shaft in there and it appears the bearing on both sides of the diff from the cv joint inputs are bad...drivers side way worse than the passenger....front cv joints and related parts seem ok still...i have 70k miles on the vehicle...no issues up to this point...id rather not pay for multiple thousands of $$ to replace parts i can replace myself...but i have no way to recalibrate the rear if in fact that is needed.


thanks in advance

Reading your post makes me grateful that I bought the 7-year/100,000 mile Ford extended warranty. I'm not aware that there is any calibration necessary to replace the differential provided you use an identical unit.

You may be able to just replace the bearings and seals and save some cash. Check with the Ford parts person to see if there are service parts available. A good used rear diff should save some cash as well. Just replace all the seals/gaskets before you install it. Good luck!