Heater blowing cold engine gets hot

1994 PLYMOUTH GRAND VOYAGER
150,000 MILES • 3.8L • 6 CYL • 2WD • AUTOMATIC
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DSPANO99
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  • 2 POSTS
Engine gets hot but heater will not blow hot air.
Oct 11, 2018 at 3:09 PM
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JACOBANDNICKOLAS
  • ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Hi and thanks for using 2CarPros.com.

First, check to make sure it isn't low on coolant. The is the most common reason heaters don't work and engines get hot. Take a look through this link, specifically number 8.

https://www.2carpros.com/articles/how-a-car-heater-works

Let me know what you find.

Take care,
Joe
Oct 11, 2018 at 7:56 PM
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DSPANO99
  • MEMBER
  • 2 POSTS
I replaced the thermostat and that solved the problem. Thanks
Oct 15, 2018 at 10:14 AM
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JACOBANDNICKOLAS
  • ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Great! Let us know if you have questions in the future.

Take care,
Joe
Oct 15, 2018 at 5:06 PM
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