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Re: can't get heat in a 1999 dodge stratus 2.4l
Hi my name is Allen!
I'm assuming when you say you replaced the thermostat your talking about the coolant thermostat under the hood on the engine.
If this is the one your talking about then lets move on to the repair procedure. If it is not then please let me know.
Let's make sure you have installed it correctly;
First; bring the engine to operating temperature, drive the vehicle if necessary. Next; grab hold of the upper radiator hose if it is hot, then grab hold of the lower radiator hose and if both hoses are hot you have installed it correctly.
Let me know what you find, then we can move on to the next repair procedure.
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Check the coolant level. If its low you wont get any heat. If its full then I would suspect that the temp. selector on the climate control is faulty. Farley easy to replace. Your local you pull parts yard will have one for $20-$35.
See if your library has a Stratus shop manual and check the heating system chapter. You didn't say if the engine was reaching operating temperature or not. If the engine is warm but you are not, I would say the problem is in the heat exchanger somewhere. If your engine is cold, you can't really expect the heater to get warm, now can you. Then you have a different problem to chase.
Lack of water on your floor means your heater core is not leaking. It could still be plugged somewhere. The fact that you get some heat initially, but it turns cold when you turn the fan on, sounds like a lack of adequate warm water to the heater core to me. If the engine is warm, it could be a circulation problem of some sort.
New thermostat may be faulty. May be stuck open. Remove rad cap and with rad full and eng cold - start vehicle. The coolant should not circulate until eng reaches design temp of thermostat. Let me know if this helps you.
Bad NEW thermostat? I had the same problem on my first generation Dakota. The problem for me turned out to be the DODGE thermostat I used to replace the old Dodge part. I went and got a Stant from local auto parts store using the standard temperature spec and quit shivering the next time I drove it. I hope that helps!
There is a valve located on one of the heater hoses that when you select heat moves to allow heated water to flow through the heater core. Yours is probably just stuck, with heat selected on the dash try to move valve by hand.
A heater blowing cold air can be a few things. have all of these things check for proper operation to find the source of the problem.
1. Coolant level
3. Water Pump
4. Heater control valve
5. Make sure that the heater control doors are closing when you switch from hot to cold.
6.Last but not least if the climatic controls are electric it maybe at fault.