2000 ford taurus 3.0 v6 head gasket/manifold gasket question.

Asked by Jun 13, 2015 at 07:11 PM about the 2000 Ford Taurus SE

Question type: Maintenance & Repair

My car has been losing coolant but I have
not been able to find where it has been
leaking. Last week the car overheated and I
parked it. I filled the coolant and took it for a
quick drive around the block and noticed
thick white clouds of smoke billowing from
the exhaust. First thing that came to mind
was a head gasket. I checked the oil and the
oil did not show signs of coolant getting
into the oil. I also ran a compression test on
the cylinders and all cylinders are reading
155-160 psi which I assume is a good
reading. I did not run a pressure check on
the coolant system. My question is
(ignoring that it could be a cracked block for
now) if the compression test is fine does
that mean that the head gasket is not the
culprit? Could coolant be getting into the
intake manifold and would that also cause it
to get into the cylinders and cause white
smoke out of the exhaust? My plan was to
take it down to the heads and replace all of
the gaskets. But was wondering if possibly
it could just be the intake manifold gasket
that is bad and if so should I just replace
that or go ahead and do new gaskets all
around?

1 Answer

118,215

A block check is the best way to check for a blown head gasket, also the cooling system will pressurize really fast. Another way is to pull out all of the spark plugs and manually pressurize the cooling system and watch how long it takes to loose pressure, do this a couple of times, then crank the engine over and see what cylinders spit out coolant. Then you will know it is a head or head gasket related. Make sure you have the heads checked before you get them machined or you will be right back in there in short order.

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