Cooling system issue

2012 DODGE CHARGER
91,000 MILES • 3.6L • V6 • 2WD • AUTOMATIC
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CARGUY2012
  • MEMBER
  • 1 POST
My car is overheating, there is oil in the coolant reservoir box. The oil is also leaking really fast and the temperature gauge goes up and down very quickly. I really want to keep this car and hoping it’s not a big issue.
Jun 16, 2019 at 4:53 AM
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SCGRANTURISMO
  • ✓Experienced Mechanic
  • 4,897 POSTS
Hello,

If you have oil and coolant that are mixing together than this is going to be a head gasket issue. Your engine block and cylinder head have oil and coolant passages in them. The head gasket is what seals these two engine halves and it has more than likely failed when oil and coolant are mixing. I have included a few links for you to go to below.

https://www.2carpros.com/articles/coolantantifreeze-in-the-engine-oil
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
Jun 16, 2019 at 9:36 AM
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