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![]() | Will this sealant work? OIL LEAK
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Last edited by BethD; 18-04-2010 at 01:15. | ||
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Join Date: Mar 2009 Location: Stoke on trent
Posts: 406 Thanks: 5 Trader Rating: 0 ![]() | Re: Will this sealant work? OIL LEAK Hi Mate, Mk 1 punto's are notorious for rocker cover seal's weeping oil. How did you replace it, with another gasket or with gasket and liquid sealent? If it was only a gasket it was replaced with, I'd put money on it being the rocker cover gasket, then it run's down the engine and on floor (It did this on the left hand side of my engine, and dripped from sump and oil filter area off the tdc/rpm bracket). Is there wet fresh oil around the top of the engine? I had one go on mine(p reg 55s), It was'nt until sombody pointed this out to me, then it was fixed. It looked to me as if the oil sump was leaking, and after kept trying to find the cause, it was the rocker cover lol Dave
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Join Date: Sep 2009
Posts: 16,545 Thanks: 827 Trader Rating: 0 ![]() | Re: Will this sealant work? OIL LEAK Silicone sealers are not a good idea with rubber (or any soft) gasket - they behave like grease when wet and cause the gasket to slide out. Another issue is that fragments of cured silicone sealant can clog engine oil galleries. Unless the workshop manual specifically says to use it I avoid the stuff. If you use any sealant at all - and often there is no need - use something like Hylomar or an anaerobic gasket sealant from Loctite. The latter is expensive but extremely good. The big advantages are that it wont clog the oil ways as it only cures when squashed into a joint and its sticky so wont behave like a grease when its wet.
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Join Date: Apr 2010 Location: Gloucester, UK
Posts: 160 Thanks: 11 Trader Rating: 0 ![]() | Re: Will this sealant work? OIL LEAK Silicone sealers are not a good idea with rubber (or any soft) gasket - they behave like grease when wet and cause the gasket to slide out. Another issue is that fragments of cured silicone sealant can clog engine oil galleries. Unless the workshop manual specifically says to use it I avoid the stuff. If you use any sealant at all - and often there is no need - use something like Hylomar or an anaerobic gasket sealant from Loctite. The latter is expensive but extremely good. The big advantages are that it wont clog the oil ways as it only cures when squashed into a joint and its sticky so wont behave like a grease when its wet. EDIT: This is what I mean ![]()
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Last edited by ST60SX; 18-04-2010 at 12:45. | ||
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