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Heater not warming up

Tiny
HEATHER MARSDEN
  • MEMBER
  • 2004 DODGE DURANGO
  • 200,000 MILES
My heater isn’t warming up quickly at all. When I’m driving and don’t have heater on, the engine warms up. My antifreeze was gone after being filled a month before. I’m thinking there’s a leak but not really sure where to start. I’m going to try to fix the problem myself and have never done so before!
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Thursday, December 12th, 2019 AT 9:34 AM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

Okay, engine cooling systems are really easy. So, imagine a football field with the engine in the middle. At each end zone there is a radiator to exchange heat, attached with hoses and coolant passages, with a water pump and a gate called a thermostat tucked in to the hoses and passages. That is your vehicle's cooling system. So, if you suspect a leak, we have to figure out where. Is your vehicle loosing coolant? Please get back to us and we can go from there.

Thanks,
Alex
2CarPros
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Thursday, December 12th, 2019 AT 4:31 PM

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