Engine overheating

2006 CHEVROLET IMPALA
145,000 MILES • 6 CYL • AUTOMATIC
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NIGHTA08
  • MEMBER
  • 1 POST
I replaced thermostat and radiator hose and car still over heating. no smoke just a hissing sound and I can see antifreeze under the hood on other parts. The reserve bottle has antifreeze, but the radiator is empty. what could be wrong?
Jun 21, 2017 at 10:36 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,616 POSTS
Hello,

Is sounds like you may have a blown head gasket but to confirm you should do a test.

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

and

https://www.2carpros.com/articles/engine-overheating-or-running-hot

Please run some tests and get back to us so we can continue helping you.

Cheers, Ken

Jan 31, 2019 at 10:38 AM
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