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2003 Mountainer Front Diff

philbert57

Member
Joined
December 22, 2016
Messages
16
Reaction score
3
City, State
minnesota
Year, Model & Trim Level
2003 Mercury Mountaineer
2003 Mounty, 4.6L, AWD.

Yesterday morning the pinion blew on my vehicle. Had a whine, thought it was wheel bearings again, was planning on replacing this weekend. Oil and smoke everywhere!

I can easily get a good used front diff to replace. Yard said there were different gear ratios. Can anyone help me understand which one I have?

I know replacing will be a bigger job. Are there any links to help walk me through it?
 












They aren't that hard to change. The gear ratio sticker might still be attached to yours but if not there's a door code or just give the vin to the dealer & they can tell you which is the correct kind you have.
 






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