Question about 1999 Mercury Sable
If your engine has overheated then more than likely you have a blown head gasket.
1. have compression checked for each cylinder.
if a cylinder shows low compression 20 lbs less than the others then you have a gasket/head job needing repaired.
2. if there is water in the oil. your engine has a blown head gasket.
aluminum heads will need to be checked at a machine shop for warpped head...and all head bolts will need replaced.
Posted on Nov 09, 2014
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Posted on Jan 02, 2017
your cooling system is preasureising due to a leaking cylinder head gasket the white smoke you see is coolant passing through the exhaust valve on the offending cylinder have the cooling system tested for CO content hope this advice helps
Posted on Feb 24, 2009
SOURCE: water in oil
I have yet to see a cracked head on a 22R,so more than likely a blown head gasket,unless you overheated and warped the head and worst case a hole between the cylinder wall and water jacket(this is pretty rare).The only way to tell short of using some expensive tools or taking to your local shop is to pull the head and inspect the gasket for leakage wich is generally fairly obvious(separation of the gasket layers,oil and water between water and oil passages)and checking the head deck for warpage.If there is obvious leakage in the gasket you're looking at a top end gasket set if the head is slightly warped you can get away with a thick graphite head gasket,I personally use these as they are very forgiving on slightly warped and scratched head decks and inepensive also,but a severly warped head will require milling at a machine shop or replacement.
Posted on Apr 09, 2009
Not good news , and hate to tell you ,but the head gasket is blown between 2 cylinders. Had this happen to me .No white smoke, no coolant in the oil, but if the engine overheats in a short time ,You will notice the coolant will blow out the radiator ,if the cap is removed. Also if the engine is a quad 4 ,you also will need to change timming chain and tesionors. Tough job. If you bought from a dealer they should repair the problem. If not, I would consider engine replacement with a good used engine. It would save alot of work ,and in the long run ,a used motor ,with lower miles, would be the choice I would make. If you choose to repair old engine , there could be other issues. Warped or cracked head, damaged cylinder walls,ect... hope this will help in your decision.
Posted on Mar 27, 2011
SOURCE: My son bought a 1999
check the compression in all cylinders if bad in any one blow head gasket but the white smoke pretty much tell me that mechanic for 8 years 5 at ford 3 at bmw
if it helps please give me feedback
Posted on May 06, 2011
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