S-Class (W140) 1991-1999: 300 SD, S 350TD, 300 SE 2.8, S280, 300 SE 3.2, 300 SEL 3.2, S320, S320L, 400 SE, S420, 400 SEL, S420L, 500 SE, S500, 500 SEL, S500L, 600 SE, S600, 600 SEL, S600L, 500 SEC, 600 SEC

Tranny pan leak

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Old Dec 2, 2010 | 02:19 PM
  #1  
Rod Spohn's Avatar
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From: Mesa, AZ
2011 E350 Bluetec, 1996 S320 & 2006 E320 CDI Sold to my son & 2017 GMC 2500 Diesel Pick up
Tranny pan leak

I changed the filter and put on a new gasket. Then I had a leak that was from around the pan. I may have over tightened and bent the pan so ordered and installed a new pan but used the new gasket since it had only been one a couple days. Still leaking, not bad but messy. I re toque the pan and that made little if any change. I read where it said to not use silicone but that seems like the easiest fix. The car is coming up on 200k but that shouldn’t make a difference. Any ideas?
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Old Dec 9, 2010 | 07:10 PM
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philip29's Avatar
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From: cumming ga
1995 s500
are you should its your pan because i have a problem with my w124 and i thought my pan was leaking or the gasket but i changed both and it kept doing it . come to find out it was one of my first pumps that was leaking and it was dipping down the side wall of the tranny ... so that is a thought ...
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Old Dec 9, 2010 | 10:01 PM
  #3  
Rod Spohn's Avatar
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From: Mesa, AZ
2011 E350 Bluetec, 1996 S320 & 2006 E320 CDI Sold to my son & 2017 GMC 2500 Diesel Pick up
Originally Posted by philip29
are you should its your pan because i have a problem with my w124 and i thought my pan was leaking or the gasket but i changed both and it kept doing it . come to find out it was one of my first pumps that was leaking and it was dipping down the side wall of the tranny ... so that is a thought ...
Well I obviously have to get under there again. I'll pressure wash and see if I can see if it's coming from someplace else. Thanks for the idea.
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