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Should versus will Posted by Ari [Email] ![]() ![]() In Reply to: How long should new Rear Main Seal Last??, MDD, Mon, 25 Aug 2003 20:50:33 Members do not see ads below this line. - Help Keep This Site Online - Signup |
A rear main seal 'should' last pretty long - I've had Saabs with over 160K and 12 years, with the original seals.
A properly installed seal should last as long as an original - well over 100K miles. However, there is a lot going into that--
If there is any roughness on the driveshaft, it will abrade the seal. If the old seal was leaking, chances are that the leak was due to a combination of the seal and the driveshaft. Usually you install the new seal in a slightly different location than the original (in or out) so it rubs on new metal.
Of course, this could have been a less-than OEM quality seal, or an OEM seal that graduated in the bottom third of its class.
Should it have lasted longer? Yes, I would have expected so. Is there anything you can do about it? Not really - the warranty is up. But then again, 12K/1 year is pretty good for repairs. Actually, quite good.
I would whine and wheedle, and see if maybe your mechanic will split the cost of a new one. That would be a good deal. But sometimes things just break.
posted by 192.249....
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