HEAD GASKET OR NOT

  • Tiny
  • jcfollowers7
  • 1994 Buick Regal
  • 6 CYL
  • 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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Tuesday, April 19th, 2011 AT 2:03 AM

6 Replies

  • Tiny
  • PROTECH1980
  • Expert
  • 928 posts

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.

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Tuesday, April 19th, 2011 AT 2:07 AM
  • Tiny
  • jcfollowers7
  • Member

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?

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Tuesday, April 19th, 2011 AT 2:20 AM
  • Tiny
  • PROTECH1980
  • Expert
  • 928 posts

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.

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Tuesday, April 19th, 2011 AT 2:32 AM
  • Tiny
  • jcfollowers7
  • Member

What happen when manifold gasket is bad?

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Tuesday, April 19th, 2011 AT 2:33 AM
  • Tiny
  • jcfollowers7
  • Member

Will that be white smoke too?

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Tuesday, April 19th, 2011 AT 2:38 AM
  • Tiny
  • PROTECH1980
  • Expert
  • 928 posts

Yes, white, almost sweet smelling smoke

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Tuesday, April 19th, 2011 AT 2:39 AM

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