Does blue devil (head gasket sealer) really work? I have a northstar engine, will this work for my 97 deville, and stop the overheating problem too?Weegy:
Blue Devil is basically a mild version of what used to be called "water glass" or "liquid glass". Basically it is sodium silicate and this chemical will build up a hard calcium like deposit where ever there is extreme heat a a high flow like through a crack. I have used it in four vehicles and it worked in two.. however, the two that it didn't work in were compression loss type leaks , like where the compression would enter the cooling system and would not allow the chemical the time to do it's job before being blown out by compression, If the leak is a "static" leak or a leak that is gradual enough for the chemical to work it will. I had done this to a '94 Ford Explorer that virtually was sucking coolant into the cylinder and blowing it out the tailpipe,, and I am still driving this vehicle without coolant loss and no overheat about 1 1/2 year later..
It really depends on the type of leak and why the engine is getting hot..
but for about 65 bucks it is definitely worth the try.. Just make sure you follow the directions or call the support line if you need help to understand what to do.
Of course the correct way to repair any vehicle is to do the repair that is required to bring the problem back to an oem type situation..Auto Answered|Score 1Weegy:
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... have a blown head gasket! Low compression does ... does work if you follow the simple directions. Sealed up a blown head gasket and cracked block. Engine ... head gasket: Blue ...http://wiki.answers.com/Q/What_are_the_signs_of_a_blown_head_gasketAuto Answered|Score .4125Weegy:
How to Fix a Head Gasket With Engine Block Sealer. ... The block sealer won't work ... Leaky Head Gasket. Cracked head gaskets occur as a result of engine overheating and ...http://www.ehow.com/how_2002031_use-block-sealer.htmlAuto Answered|Score .4079
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