White smoke

1995 CHEVROLET SUBURBAN
270,000 MILES • 5.8L • V8 • 4WD • AUTOMATIC
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JJY
  • MEMBER
  • 1 POST
Not overheating,or no loss of oil pressure, or milky oil. had leaking valve covers leaking on exhaust manifold.fixed that.new plugs,wires,oil change, and about to try my second attempt at Blue Devil.with thermostat out this time! Does the continuing white smoke mean my engine is done for??
Jun 29, 2021 at 7:48 AM
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KASEKENNY
  • CERTIFIED EXPERT
  • 18,907 POSTS
White smoke is simply coolant/water going through the engine and out the exhaust.

Here is a guide that will help with this more detail on this:

https://www.2carpros.com/articles/white-smoke-or-steam-coming-from-the-exhaust-pipe

So that means it is likely that you have a head gasket that is starting to fail and it is not going to get better. Here is a guide that will help with testing this to confirm it:

https://www.2carpros.com/articles/head-gasket-blown-test

You can run through these guides that will help with good info on this chemical:

https://www.youtube.com/watch?v=Xi41RFMP8Ow

https://www.youtube.com/watch?v=iuEVLFEF0AM

Please run through all this material and let us know if you have questions.
Jun 29, 2021 at 6:36 PM