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White smoke

Tiny
ANTONIOFOLEY37
  • MEMBER
  • 1997 GMC SAVANA
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
Before I changed my water pump and clutch fan my vehicle didn't smoke. After I changed that stuff vehicle started blowing white smoke and it smells like antifreeze. Started driving it smoke disappears. When I am driving and builds up at stand still.
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Tuesday, June 25th, 2019 AT 7:00 AM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

White smoke that has a sweet antifreeze smell to it is usually an indication that you are having coolant introduced into your engine's combustion chamber(s). This could be due to a few different things, but it is usually a blown head gasket. It can also be due to a cracked cylinder head or a cracked engine block. I have included a few links below for you to go to.

https://www.2carpros.com/articles/how-to-test-engine-compression
https://www.2carpros.com/articles/head-gasket-blown-test
https://www.2carpros.com/articles/white-smoke-or-steam-coming-from-the-exhaust-pipe

Please go through these guides and get back to us with what you are able to find out.

Thanks,
Alex
2Carpros
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Tuesday, June 25th, 2019 AT 4:31 PM

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