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KeepTheShineyPartUp.com's Avatar
 
Join Date: Mar 2001
Location: Purgatory: Heaven won't take me and Hell's afraid I'll take over
Posts: 255
Red face Beware! Final drive overfill by dealer

Celebrating the freedom of a 600 mile service, my buddy and I ('99S vs. '01S)chased each other over the Sierra. The speedo registered it's first triple digit for a brief period on one straight. On the subsequent set of twisties, the rear tyre broke loose. I performed the necessary rodeo act and saved the pony. When I found the time to pull the saddle material out of my puckered ass, I stopped to take a look. We noticed gear oil sprayed about the rear rim and right side of tyre contact area. A closer look found evidence of aspiration around the vent. I combined the visualization of "throwing it down" with knowledge of recent 600 mile service. I then performed the "pissed off Indian rain dance", removed the dealer license frame and hucked it into the horizon. Not wanting to compromise our ride, we cleaned tyre and rim to our best ability. We saddled up, shrugged our shoulders, and mushed onward. The remainder of the loop was about 120 miles and the '99S had the clear advantage as the '01S limped in with soaked rear brakes and a careful pilot. When I checked the final drive level at home, it was at the top of the threads. The dealer replaced the rear pads, and diplomatically acknowledged an overfill. Now certainly, a little heat will expand volume and design engineers take this into consideration. I have heard suggestions to keep the level at the bottom of the threads. This is my first "shafty." Thoughts, comments...

Old 06-12-2001, 09:09 AM
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Join Date: Aug 1999
Location: CT, USA
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On a trip just after my 18K service, I noticed a small trail of oil originating from the rear drive breather port.
I assume this is where your oil leaked from.
I didnt realize how serious this could be.
When I change the rear drive oil, I fill it up so that it barely touches the bottom of the threads. I think thats what the book says.
I hate to think that we have to re-check the dealers' work each time, but its probably worth it.
Old 06-12-2001, 09:34 AM
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Join Date: Jul 2000
Location: Gilroy, CA
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Are you going to mention the dealer's name or at least what city they are located in? I for one, do not think that we should have to verify a dealer's work. We pay good money for service and a good dealer should be rewarded by our business, just as a "bad" dealer should be avoided, if possible.

Harold

Old 06-12-2001, 11:37 AM
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