External head gasket oil leak - Mercedes-Benz Forum
 
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#1 (permalink) Old 07-30-2009, 06:30 PM
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External head gasket oil leak

My 96 c280 has a external head gasket oil leak. Is there a quick/easy fix other then spending $2000 to replace the head gasket? I heard of some people removing the valve cover and re-tighting the head bolts, will this be possible on my inline 6cyl. Please help, its a small leak but when i drive at highway speeds the oil drips on the exhaust and i smell a oil burning odor and see smoke when i come to a stop. Thanks!

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#2 (permalink) Old 07-30-2009, 08:44 PM
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Post Bar's Leak

You could try re-torqueing the bolts but I doubt it will help. You could try one of the many Bar's Leak products at Rislone Navigation Some guys have had good luck delaying the inevitable head gasket replacement.

Good Luck!

C as in 220

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#3 (permalink) Old 07-31-2009, 07:04 PM
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Originally Posted by cjshade View Post
You could try re-torqueing the bolts but I doubt it will help. You could try one of the many Bar's Leak products at Rislone Navigation Some guys have had good luck delaying the inevitable head gasket replacement.

Good Luck!

C as in 220
There is no colant in the oil and there's no oil in the colant. Do you thing the head gasket products that go in the radiator will help? I had the car checked at a mercedes shop and they said it was a external oil leak only. Thanks!

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#4 (permalink) Old 07-31-2009, 07:20 PM
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Originally Posted by chop-gsxr View Post
There is no colant in the oil and there's no oil in the colant. Do you thing the head gasket products that go in the radiator will help? I had the car checked at a mercedes shop and they said it was a external oil leak only. Thanks!
The bars leaks product is put in the oil, not the coolant. I've been living with my external head gasket oil leak for maybe 4 or 5 years now. As long as your oil and coolant aren't mixing, and you aren't losing much oil, you should try living with it. I don't lose any appreciable amount of oil betweeen oil changes but the side of my engine is damp with a bit of oil, as is the engine undertray. I doubt it loses more than 1-200 mL every 6 months or so, so it is very easy to live with.
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#5 (permalink) Old 07-31-2009, 07:28 PM
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Originally Posted by jlomon View Post
The bars leaks product is put in the oil, not the coolant. I've been living with my external head gasket oil leak for maybe 4 or 5 years now. As long as your oil and coolant aren't mixing, and you aren't losing much oil, you should try living with it. I don't lose any appreciable amount of oil betweeen oil changes but the side of my engine is damp with a bit of oil, as is the engine undertray. I doubt it loses more than 1-200 mL every 6 months or so, so it is very easy to live with.
Same thing's happened with mine as well... Head gaskets were replaced several years ago, but now they're leaking again.

Other than the fact that it's easy to live with, it's sad to look at when you see the bottom engine bay covered with black grime
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#6 (permalink) Old 07-31-2009, 08:06 PM
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Post Oil Stop Leak

Rislone has a product to stop Oil Leaks that goes in the oil as well (E10L) it's on the page in the link. I have not used that particular product myself.

I'm glad to hear your problem is only external.

Good Luck!

C as in 220
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#7 (permalink) Old 08-01-2009, 06:59 AM
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Thanks guys, i will try to find some of that Bar's oil stop leak today. If anyone knows of another product that worked for them please let me know. Thanks!

07 E350
96 C280/sold
06 Dodge Durango/sold
06 GSXR 1000
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