Black antifreeze

Tiny
ALBERT396
  • MEMBER
  • 2003 CHEVROLET CAVALIER
  • 2.2L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
The antifreeze is almost black and so is the reservoir. The radiator cap has a film of white mucus and the car temperature goes past the middle point.
Wednesday, July 18th, 2018 AT 5:18 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,254 POSTS
Hi and thanks for using 2CarPros.com.

Based on your description, it sounds like you have a bad head gasket which is allowing oil to get into the cooling system. Take a look at this link which describes how to check.

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

Let me know what you find or if you have other questions.

Take care,
Joe
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Thursday, July 19th, 2018 AT 7:32 PM

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