Losing coolant

160,000 MILES • 4.7L • V8 • 4WD • AUTOMATIC
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JAMES DOSSETT
  • MEMBER
  • 1 POST
Foam in radiator, loses water, no water in oil.
Oct 19, 2019 at 2:33 AM
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SCGRANTURISMO
  • ✓Experienced Mechanic
  • 4,897 POSTS
Hello,

This is probably going to be a blown head gasket. The foam is probably going to be from combustion gases mixing with the coolant and pressurizing the cooling system. Here are a couple of tests to see if your vehicle's head gasket[s] are blown below:

https://www.2carpros.com/articles/how-to-test-engine-compression
https://www.2carpros.com/articles/head-gasket-blown-test

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

Thanks,
Alex
2CarPros
Oct 19, 2019 at 9:57 AM
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