Question about 2009 Dodge Nitro

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No heat in 09 Dodge Nitro..has a new heater core last yr an just put in a new thermostat an still no heat..water pump is good idk what else to check can you help me

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  • Dodge Master
  • 12,962 Answers

Check valve that allows water to enter heater core.

Posted on Dec 22, 2016

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6ya6ya
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Posted on Jan 02, 2017

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chazman05
  • 48 Answers

SOURCE: Heat lack of

9 times out of 10 on this old of vehicle its the heater core. If your car temp gauge is working and the car is heating up fine and the blower works then it is most likely your heater core. Not sure how hard it is on that car. SOme times it just under the dash takes about 30 mins but some cars you have to pull the dash out. The part alone is cheap. I would try logging onto autozone.com put in your car find the part (heater core) then look at the how to change section of auto zone.

Goodluck.

Posted on Dec 12, 2008

  • 16 Answers

SOURCE: heat 2001 dodge durango

a bad heater core will just leak. it could leak alot. do you ever smell antifreeze? check the coolant level. it can get pretty low before it will overheat. the thermostat should be ok but there could be corrosion. when you had the water pump replaced was the cooling system flushed? 2001, its probably due for a flush. what coolant does it take? (green or orange)

Posted on Jan 17, 2009

  • 9 Answers

SOURCE: no heat coming out of vents

be sure you have no coolant leak and check if you have a blead valve on the engine for the coolant if you do, blead the air out

Posted on Oct 18, 2009

  • 1 Answer

SOURCE: I have a 2001 1500 dodge ram it has no heat

are heater inlet outlet mix valves standard for all dodge heater cores. I have 2001 dodge cummings blows warm air not hot when gauge is 195 degrees would there be a mix valve under the dash because it is not inline outside the wall

Posted on Nov 19, 2009

bobiii84
  • 65 Answers

SOURCE: Have no heat. Have replaced heater core,

I don't know your vehicle, but does it have a blower door tucked in where the heater core is? If it DOES and that's broken then it could be the whole problem. It would mean it isn't switching from the A/C side of things to the heat side of them. Hope this helps, good luck! Also, just looked up the proper name for what I'm talking about, it's called a "blend door" and I think your car has one. It's what I would check, again, good luck!

Posted on Jan 20, 2010

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HI, Vehicle had no heat and was overheating, so we had the heater core flushed - twice. Didn't help. We changed the heater core and thermostat. Now vehicle is still overheating. What else do we check?


You first make sure that the cooling system is completely bled/purged of any trapped air, that can cause both symptoms, it that is done and you are sure you have purged all the air out then the head gasket would be most likely leaking.

Feb 08, 2017 | 2011 Dodge Nitro

1 Answer

2007 nitro, heat goes away while driving. heater core is not blocked. water pump and thermostat have been replaced. blend air door is functioning properly, no sign of leaks.


I am really suspicious of that thermostat.
How it is supposed to work is, there will be "no" coolant flow until the thermostat opens up , and it will not open until it reaches a certain temperature. (Like 160, 170, 180, 195, etc.) If it is working properly, it will close back up when subjected to colder water. This valve will keep the engine at that temperature. The things that can interfere are the heater hoses, or by-pass hoses., which route the the coolant other places. From your description, it sounds like the thermostat is not working.
You might take it out of the engine, and get yourself a candy thermometer, and put the thermostat in a pan of boiling water on the kitchen stove, and with the candy thermometer, check the thermostat and see if it is opening and closing properly as you change water temperatures.
God bless your efforts.

Jan 22, 2016 | 2007 Dodge Nitro SLT

1 Answer

2008 dodge nitro heater blowing air but not heated. How do I fix this?


Does the car heat up to operating temp. Sounds like a thermostat problem. Could even be the heater control switch. Could be the heater core.

Oct 24, 2013 | 2008 Dodge Nitro

1 Answer

Heating problems


Check for air in the cooling system - tighten carefully all hoses especially ones by expansion tank. If motor on cool down sucks in air instead of water an air bubble could restrict the flow of coolant into the heater core.

Jun 15, 2017 | 2010 Dodge Nitro

1 Answer

Where is heater control valve on 2003 dodge ram pick up


THERE IS NO HEATER CONTROL VALVE ON THE WATER HOSES. NEW HEATER CORE. INLET LINE right before heater core hot, outlet after core look warm. Burped cooling system 5 times with engine at operating temp. Installed homade burp VALVE right after heater core outlet(high part of hose). Still no heat. Removed water pump, impeller still in good shape not stripped off shaft. Removed heater core hoses flushed water thrue the connections on the block to the water pump INLET and outlet. flushed water thrue heater core and hoses. Going to put it back togeter today. Used known good gauge to check water temp for operating temp in test. 195 f

Oct 22, 2010 | 1997 Dodge Ram 1500 Club Cab

2 Answers

I have a 1999 dodge ram with a 460. I have very little heat and there is a mist that comes out of the vents when i turn the heater on. I unhooked the heater hoses and ran water through the core and it ran...


The hoses might have a heater control valve on one ofthem,check and see,an you may have to replace it.Also make sure there is enough coolant in the system,it will not flow threw the heater core if there is not enough coolant in the system,the mist could be the hole in the heater core.

Oct 23, 2009 | 1999 Dodge Ram

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