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Lighter weight oil and the rear main seal and a leak - a short story 850 1995

posted by  TimeToBakeTheDonuts on  Wed Jan 25 18:15 CST 2006
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last visit: Thu Aug 29 16:10 CST 2013
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My '95 850T began a slow leak of oil (about 3/4 qt in 1k miles) a few months ago. I posted here, and I got some good advice on replacing the crush washer and locating the leak. It looks the the RMS.

My question is, could my change to a lighter weight oil have hastened (caused) this leak? I used 20W50 in the summer, then switched to 10W40 in the late fall and now 10W30. This was based on what "dad used to do". I live in PA, and we go down to 0 deg F sometimes. My car is in the garage a lot, so I may not need something as light as 10W30. Let me have it folks. All opinions welcome.

Thanks, Don






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New Lighter weight oil and the rear main seal and a leak - a short story [850][1995]
posted by  TimeToBakeTheDonuts  on Wed Jan 25 18:15 CST 2006 >


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