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.

Answered by PROTECH1980 (expert)
945 answers provided

Here is link to learn more about the chemical head/head gasket test check this link: http://www.youtube.com/watch?v=UfPIIEoNOSA

Answered by PROTECH1980 (expert)
945 answers provided

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?

Response from jcfollowers7
31 questions asked

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,

Answered by PROTECH1980 (expert)
945 answers provided

what happen when manifold gasket is bad?

Response from jcfollowers7
31 questions asked

will that be white smoke too?

Response from jcfollowers7
31 questions asked

Yes, white, almost sweet smelling smoke

Answered by PROTECH1980 (expert)
945 answers provided