Mechanics

HEAD GASKET OR NOT

1994 Buick Regal • 6 cylinder FWD Automatic • 150 miles

What can you use to put pressure on your engine to see what gasket is blown out?
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Jcfollowers7
April 19, 2011.



If your looking for an external leak use a coolant pressure tester/ if your looking for a head/ head gasket issue, have a chemical test done to look for combustion gases in coolant.

PROTECH1980
Apr 19, 2011.
If you have white smoke and see coolant in the oil and see oil around the front manifold gasket can it be a manifold gasket leak other then a head gasket leak, and can you have white smoke if manifold gasket is leaking?

Tiny
Jcfollowers7
Apr 19, 2011.
Yes, if the upper intake plenum (black plastic) on this 3.8 is leaking, it will flood the intake runners with coolant and burn it, you will see smoke, it usaully hydro locks the engine.

PROTECH1980
Apr 19, 2011.
What happen when manifold gasket is bad?

Tiny
Jcfollowers7
Apr 19, 2011.
Will that be white smoke too?

Tiny
Jcfollowers7
Apr 19, 2011.
Yes, white, almost sweet smelling smoke

PROTECH1980
Apr 19, 2011.