Join Date: May 2010
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Replace entire transmission if differential is bad?
These forums are great and I have been able to get much farther into my own repairs than I ever thought possible, so thanks everyone for that. But, I've hit a snag that I think is beyond my abilities.
I have a 2003 OBW Limited, 4 cyl, automatic, 119,000 miles. I have been hearing a speed dependent whine for a couple of months now. It's not brakes (just replaced those) and it doesn't change with the speed of the engine or if the car is in neutral. Thought it might be differential, but fluid didn't appear toasted, other thought was wheel bearing. I changed the transmission fluid anyway, but that didn't help. Long story short, took it in today and the dealer said it was the ring and pinion in the front differential. They want $2400 to rebuild it. Another shop recommended dropping in an entire used transmission with 59k miles on it. My transmission has been working fine, shifting smoothly, no troubles.
I hoping that someone with a bit more experience with these matters might be able to offer some advice. Is rebuilding better if the tranny seems good? Is it worth it to just drop in a whole new (used) tranny? Thanks in advance and sorry for the long winded post.