[W126 Coupe] FW: Engine Leak Stop

[Richard Hogarth]

The head re-torque works well if you notice the leak fairly quickly after it
starts to occur. 
If the oil begins to cut a channel in the head gasket, all bets are off. 
It also depends upon where the oil is leaking into. (oil to the outside
world vs oil into the anti-freeze etc)
I don't have proof, but I think that many head gasket  problems occur when
an engine gets a little too hot and the "stretch" type head bolts begin to
fatigue and lose their temper and spring tension. That being said, any head
gasket problem should always involve a very close look at the cooling
system. 
-RPH
 
From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com]
On Behalf Of Jonathan Hodgman
Sent: Monday, April 02, 2007 2:59 PM
To: Mercedes Coupes Mailing Lists
Subject: Re: [W126 Coupe] FW: Engine Leak Stop
 
Have yet to see it work on a Mercedes inline 6 or V8.  Neither has my
machinist w/ 30 years+ experience.  

I've tried it on two 117's and 1 M103.  One 117 improved but it most. def
did not stop.

jonathan 
On 4/2/07, richard jaffe <rsjaffe1 at msn.com> wrote:
I had the same problem with oil dripping on exhaust manifold. New valve
cover gaskets cured the problem.
 
Rich Jaffe
85 500 SEC Euro  259K
83 300 SD  193K
----- Original Message ----- 
From: Richard Hogarth <mailto:R_Hogarth at Foundrycove.com>  
To: 'Mercedes Coupes Mailing Lists' <mailto:mbcoupes at mbcoupes.com>  
Sent: Monday, April 02, 2007 3:02 PM
Subject: Re: [W126 Coupe] FW: Engine Leak Stop
 
Not to be argumentative, but I have seen head gasket oil leaks on Chevy
400's, Chevy 454, BMW's, Renaults, Saabs 4cyl in line and most commonly on
VW 4cyl inline Diesels. 
A head gasket retorque has solved the problem 85% of the time. 
-RPH
 
From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com]
On Behalf Of Divov
Sent: Monday, April 02, 2007 1:33 PM
To: Mercedes Coupes Mailing Lists
Subject: Re: [W126 Coupe] FW: Engine Leak Stop
 
In 40 years of playing with cars I have yet to have an oil leak from a head
gasket...
I would go by a oe valve cover gasket and redo the valve cover. Its a 10
minute job and cheap.
I'd put a small wager that your oil leak problem started about a year ago!
 
----- Original Message ----- 
From: Rick <mailto:rm90 at verizon.net>  Montgomery 
To: mbcoupes at mbcoupes.com 
Sent: Monday, April 02, 2007 7:59 PM
Subject: [W126 Coupe] FW: Engine Leak Stop
 
No valve covers were redone about a year back..I see you r point on the head
gaskets as the location would not be conducive to the burn off I am getting.
The rear main may be leaking as well.
 
Anyway anything to slow it would be better than nothing
 
 
-----Original Message-----
From: Rick Montgomery [mailto:rm90 at verizon.net] 
Sent: Monday, April 02, 2007 10:23 AM
To: 'mbcoupes at mbcoupes.com'
Subject: [W126 Coupe] Engine Leak Stop
Any suggestions on a good engine stop leak additive?
Engine is very strong and I would rather not rebuild at this time. No need
she runs great.
 
Heads gasket leaks are causing some smoking when sitting at lights etc. due
to dripping to the pipes.
Would like to try to slow it down a little if anyone has some ideas.
 
Thank you, 
Doc
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