Grinding noise from the rear end of a 2005Mercury Mountaineer

Asked by Mar 05, 2016 at 05:36 PM about the 2005 Mercury Mountaineer 4 Dr STD AWD SUV

Question type: Maintenance & Repair

I have a 2005 Mercury Mountaineer. That is
making a grinding noise from the rear. I took
the rear end oil add plug out because I was
told it was the rear end needing oil. But
when I removed the add plug, fluid came
out. How cab it need fluid if it's coming out
if the add plug?

3 Answers

232,605

Could be a bad wheel bearing and not the differential.

90,715

I would take it to a shop you trust and have it inspected, it is possible the carrier bearings are bad or the limited slip clutches are shot.

4,565

Bad wheel bearings. Same thing happened to me on my 06 and, as I understand it, a pretty common thing in our cars of that time period.

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