No heat

Tiny
TOMMY PINNELL
  • MEMBER
  • 1996 DODGE DAKOTA
  • 3.9L
  • V6
  • 2WD
  • AUTOMATIC
  • 250,000 MILES
Has a new radiator, thermostat heater core and water pump, but no heat. With the truck running you can take return hose off at water pump and get no coolant.
Monday, December 7th, 2020 AT 11:52 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good evening,

This sounds like it is air bound and there is no coolant in the block.

Try removing the heater core hoses and filling the cooling system that way. Fill it until coolant comes out the heater hoses and then reattach.

https://www.2carpros.com/articles/coolant-flush-and-refill-all-cars

It is tough to get the air out of these systems. I fill the radiator before installing the thermostat. That way, the block is completely full.

https://www.2carpros.com/articles/car-heater-not-working

Roy
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Monday, December 7th, 2020 AT 4:02 PM

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