These pictures are the front differential and the shaft from the transfer case. It looks like the seal is going bad. last year when I purchased the Expedition I had a shop drain and fill the diffs fluid. can anyone tell me if it's the seal or something else?
2010 with 82K miles. Getting "check 4x4" when shifting into 4 Low. 4 High is fine and works. No OBD codes. I'm thinking shift motor needs to be replaced. Thoughts?
I recently purchased a used 2010 Expedition with 80K miles on it. Transmission shifts fine but should I go ahead and get the fluid and filter replaced, since it's been 10 years?
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