What does it mean if you can't get any heat from a '89 Dodge Ram 4x4.Changed...

  • Thread starter Thread starter terri_stuck_on_a_rock
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terri_stuck_on_a_rock

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...the thermostat, heater core? Dodge ram repairs
Thermostat was changed and not the heater core..think that it is air blocked in the heater core.
 
Did you cross the heater hoses? Maybe you have air lock in the cooling system or the heater control valve is not working properly
 
assuming your coolant levels are found to be normal,suggest to check the hoses coming in and out of the heater. Suggest if they are both hot with the engine up to operating temperature then the problem is likely in the heater damper control system. As a point of interest,even with a faulty thermostat,you should normally still get SOME heat out of the heater.Please be reminded that checking coolant levels on a hot engine can cause severe scalding to self and others,and this is why this should be done with the engine cooled down completely.
 
assuming your coolant levels are found to be normal,suggest to check the hoses coming in and out of the heater. Suggest if they are both hot with the engine up to operating temperature then the problem is likely in the heater damper control system. As a point of interest,even with a faulty thermostat,you should normally still get SOME heat out of the heater.Please be reminded that checking coolant levels on a hot engine can cause severe scalding to self and others,and this is why this should be done with the engine cooled down completely.
 
well first place would have been to check and see what was bad so now try heater control switch what you turn from heat to cold inside the truck... you can feel the heater hoses and tell it coolant is flowing thru them one hot its not and flow is block would have been cheaper to check
 
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