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Author Topic: OIL fill cap leaks after putting in Mobil 1  (Read 2769 times)

n/a

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OIL fill cap leaks after putting in Mobil 1
« on: September 21, 2005, 04:29:30 »
looking at the cap visually I can see no problems with the fitment or the gasket but after changing to Mobil 1 it leaks OIL down the sides of the cam cover not a lot but enough to create a smell. Is this slimey stuff somehow working its way under the gasket, I am at a loss...anybody else havingthis problem...how did you solve it...thanx
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tuultyme

  • Guest
Re: OIL fill cap leaks after putting in Mobil 1
« Reply #1 on: September 21, 2005, 05:07:02 »
You may have to buy a new gasket; it may look OK but if it is older it may be starting to get brittle or slightly deformed do to continual use.

Bruce; 268Blaugrun(green) 1970 280SL; IL
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jeffc280sl

  • Guest
Re: OIL fill cap leaks after putting in Mobil 1
« Reply #2 on: September 21, 2005, 06:44:18 »
Agree with Bruce.  I use Mobile 1 and do not have any leaks.

Jeff C.
1970 280SL 4-speed
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ja17

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  • USA, OH, Blacklick
  • Posts: 7414
Re: OIL fill cap leaks after putting in Mobil 1
« Reply #3 on: September 21, 2005, 09:17:46 »
Hello,  
Do you still have the originasl metal cap?  The black plastic replacement caps tend to leak. As sugested I would try replacing the gasket first or the whole cap if you have the plastic one.

Joe Alexander
Blacklick, Ohio
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Joe Alexander
Blacklick, Ohio
1969 Dark Olive 280SL
2002 ML55 AMG (tow vehicle)
2002 SLK32 AMG (350 hp)
1982 300TD Wagon turbo 4spd.
1963 404 Mercedes Unimog (Swedish Army)
1989 flu419 Mercedes Unimog (US Army)
1998 E430
1974 450SLC Rally
1965 220SE Finback
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