Heater does not get hot - DodgeForum.com


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Heater does not get hot

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  #1  
Old 01-17-2009, 02:30 PM
jr7089
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Default Heater does not get hot

98 Ram 1500 V6, the heater only gets luke warm at best it never gets hot enough to turn it down. Any suggestions where to start looking?

Thanks
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Old 01-17-2009, 05:26 PM
Fivspeed
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I'll give you some general info not specific to the Ram. Start by checking the coolant level. If thats good, check the thermostat. You could do that by starting your truck while the engine is cold and touching the upper (I think) radiator hose. It should stay cold until your engine reaches operating temp and then the hose should rapidly get hot. That signifies that your thermostat has opened. It still could be your thermostat since it opens and closes based on the temperature of the coolant and may be getting stuck wide open. To be honest, if you haven't changed it in years, go ahead and change it. If the coolant is fine, and the thermostat is good, I'd check for a blockage in the heater core.
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Old 01-17-2009, 07:15 PM
blueram1500
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I had the same problem it ended up being my radiator was clogged only the top would get hot and the bottom was ice cold feel your bottom hose on the radiator. So I replaced the thermostat and radiator and now the heat blows nice and hot.
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Old 01-17-2009, 07:20 PM
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Make sure your windows are rolled up
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Old 01-18-2009, 12:17 AM
iwhitne
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you can also put some cardboard infront of the radiator just leave a little room for some air and take it off when the weather is warm
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Old 01-18-2009, 12:44 AM
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check rad cap... you also can try it to autozone and they will test it for FREE!!!!
that will get you started
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