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Cold heater core

Tiny
TERRY BREWER
  • MEMBER
  • 1997 FORD F-250
  • 5.8L
  • V8
  • 4WD
  • AUTOMATIC
  • 167,000 MILES
So there is no heat when it is running and turned to heat. I have flushed the radiator installed a new thermostat removed the housing to the heater core and it is like freezing while the heater is on. What is going on with this thing? Thank you for any information.
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Wednesday, September 19th, 2018 AT 1:23 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon.

It sounds like the core is clogged with debris. You can try to remove the hoses and flushing out the core with a garden hose. Run it both ways until you get a good solid clean flow. If that does not do it, then you need to replace the heater core.

Roy

https://www.2carpros.com/articles/car-heater-not-working
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Wednesday, September 19th, 2018 AT 1:42 PM

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