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Heating & Cooling 2nd Gen Dodge Ram Heating & Cooling Problems and Questions.


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  #1  
Old 02-03-2011, 12:26 AM
V10Ram2500 V10Ram2500 is offline
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Default dumb heater question

I just recently purchased a 95 Dodge Ram 2500 v10. Ac works perfect, air flow is constant and strong. Heater just doesnt work at all, when the truck is warmed up it sits around 200 degrees and the hoses are hot to the touch just no heat at all no matter if set to defrost vents or floor. No leaking on the passenger floorboard. Would it be that my heater core is just out or the heater control valve? Thx in advance to any help.
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Old 02-03-2011, 10:25 AM
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Could be the temp door in the HVAC system but that's pretty unlikely. Have you verified the coolant level? It's possible that the core is restricted and not allowing heat transfer.
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Old 02-03-2011, 03:46 PM
V10Ram2500 V10Ram2500 is offline
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Originally Posted by RamTech View Post
Could be the temp door in the HVAC system but that's pretty unlikely. Have you verified the coolant level? It's possible that the core is restricted and not allowing heat transfer.

I verified the coolant level. Today I put the heater on and moved it from floor to vents to defrost and it wouldnt blow any air on the floor mode but even then does that have anything to do with the it blowing hot air?
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Old 02-03-2011, 03:57 PM
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you can get an better idea of what may be wrong by looking at
http://www.heatertreater.net/Dodge%20Product%20Page.htm

there are YouTube videos for the '02 - '08 models, but, the systems have not changed too much in the last 20 years
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Old 02-03-2011, 05:16 PM
V10Ram2500 V10Ram2500 is offline
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Thanks for the info. I went outside just a few minutes ago to install a radio and speakers and had the truck running. When it got up to its regular temp of around 200, after like 30 min at idle lol, i grabbed the upper radiator hose, it was warm, i assume hot cuz my hands were freezing, but both heater hoses didnt feel warm at all. Does this mean a clog?
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Old 02-03-2011, 05:28 PM
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Quote:
Originally Posted by V10Ram2500 View Post
Thanks for the info. I went outside just a few minutes ago to install a radio and speakers and had the truck running. When it got up to its regular temp of around 200, after like 30 min at idle lol, i grabbed the upper radiator hose, it was warm, i assume hot cuz my hands were freezing, but both heater hoses didnt feel warm at all. Does this mean a clog?
That or a water pump problem.
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Old 02-03-2011, 05:42 PM
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good video about clearing a heater core blockage
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Old 02-03-2011, 06:02 PM
V10Ram2500 V10Ram2500 is offline
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Quote:
Originally Posted by RamTech View Post
That or a water pump problem.
If the water pump was bad, wouldnt the vehicle run hot or overheat? Or it could still partially work?

Quote:
Originally Posted by GTyankee View Post
good video about clearing a heater core blockage
Good video, Thank you for posting it.
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Old 02-06-2011, 11:30 AM
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Default No Heat

V10,
I would try back flushing the radiator and heater core as it sounds like the system (is clogged) is not circulating the coolant. Also you may want to install a new thermostat as long as you have the system drained and flushed.
DJ
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Old 02-07-2011, 05:33 PM
V10Ram2500 V10Ram2500 is offline
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Quote:
Originally Posted by DJ7211 View Post
V10,
I would try back flushing the radiator and heater core as it sounds like the system (is clogged) is not circulating the coolant. Also you may want to install a new thermostat as long as you have the system drained and flushed.
DJ
Back flushing like in the video that was posted or just like a regular flush? And I def will be adding a new thermostat and probably new radiator as the one in it now leaks. Thx for the help.
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