My heater is not working?

Tiny
618MURRAY
  • MEMBER
  • 3 POSTS
A couple of other things I wanted to mention. The heat worked great one night and most of the time I had very little heat. I was noticing my reservoir was bubbling over when I shut the car off. I bought the car like this. So, I am not sure of the preliminary symptoms. I know this is tricky and we must find out or it spells disaster for our engines. This is a poor design ( in my opinion) and they say there is a sludge problem, that is pron to destroying these 2.7liter engines with small oil passages. (Sludge=oil + coolant)Well, the seal looked newer on my water pump and although newer, it looked like it was coming apart and seeping from the extensive heat pressure from the steam pockets trapped. I have done lots of research on the subject and there is not a answer to our problem yet. The closest thing you will find to that is, my theory above this comment. I hope this simple fix is the cure for all of our problems. I am not saying this could not be your thermostat, the symptoms are kinda the same. By the way, the thermostat really gave me some trouble. Had to remove the alternator and a c compressor to get the thermo housing off, and it was still tight. I am just saying to the guys that haven't pulled the thermostat yet, I would think twice. Try the correct bleeding procedure first.
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Monday, October 26th, 2020 AT 12:37 PM (Merged)
Tiny
DOUGLASDIXON
  • MEMBER
  • 5 POSTS
Yes, now the one that I was working on has started to get hot and boil over, and that just happened over-night. From one extreme to another. These cars are such a pain! I thank you for writing me back with your thoughts and ideas. Yeah, I went through the bleeding procedure a couple of times, but now the top radiator hose is not getting hot at all, while the surge-tank is boiling over. I was getting ready to go into the water-pump (dreaded) and then got ill. So it may go to a shop. If so, I'll still keep you informed as to the out-come of this situation. The design/engineers at Chrysler sure didn't do the consumer any favors when they developed this nightmare. I thought that the water-pumps in Honda Accords were the worst, but now, I have changed my mind. What where they thinking? Oh. I know.$$$$$
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Monday, October 26th, 2020 AT 12:37 PM (Merged)
Tiny
CDRAKE98
  • MEMBER
  • 1 POST
  • DODGE STRATUS
2004 dodge stratus, 62,000 miles no heat and overheating warning light comes on. Never actually overheats. Changed the thermostat, not the problem. Any suggestions?
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Monday, October 26th, 2020 AT 12:50 PM (Merged)
Tiny
BRUCE HUNT
  • MECHANIC
  • 3,754 POSTS
I would check the line into the heater core. Could be plugged or the valve could be disconnected. The thermostat sensor could also be failing.
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Monday, October 26th, 2020 AT 12:50 PM (Merged)
Tiny
NANCY KIMBALL
  • MEMBER
  • 1 POST
I have a 2004 dodge stratus very high mileage and when it idles as I say I will warm it up it sit stays cold till it moves. The sometime it blows cold air. Is there a sensor for that needs replaced I know it's not the thermostat.
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Monday, October 26th, 2020 AT 12:50 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Hello,

It sounds like the coolant level is low? Here is a video on how to check it and a guide to help go through the easier problems:

https://youtu.be/GSE9skKnOgY

and

https://www.2carpros.com/articles/car-heater-not-working

Please run down these guides and report back.

Cheers, Ken
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Monday, October 26th, 2020 AT 12:50 PM (Merged)
Tiny
KPKANDIES
  • MEMBER
  • 2 POSTS
  • DODGE STRATUS
2003 Dodge Stratus Sedan 65,216 miles

I took my car to a repair shop to get the coolant flushed and the thermstat changed. Now the car has no heat. I called the place to let them know the car doesn't have any heat they told me to bring it back. When I drove the car back to the repair shop, the car over heated and we had the car towed in. The manager tould me that there was air in the system. Isn't that there problem to fix and how can you get an air pocket out the coolant system?
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Monday, October 26th, 2020 AT 12:50 PM (Merged)
Tiny
PATRICK HURTEKANT
  • MEMBER
  • 1 POST
Make: Dodge Durango
Year: 2000
Problem: Have a small amount of heat coming out of the vents when I have it on the upper vents or floor vents only. When I put the control on defrost and defrost and floor the temperture in the vents only gets to 50 degrees. The engine temperture on the gage is normal around 200 degrees and the engine does not over heat. The inlet hose to the heater is hot but the outlet hose is luke warm. This problem happened when I had the water pump changed. I had the thermostat changed and it did not correct the problem.
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Monday, October 26th, 2020 AT 12:50 PM (Merged)
Tiny
BRUCE HUNT
  • MECHANIC
  • 3,754 POSTS
#1 question: There are high spots in the cooling system that retain air unless they are bleed out. This should have been done by them. BUT, this would not cause your problem, it could cause other problems that are not serious. The might have installed the thermostat backwards, the thermostat could be defective, they could have spaced the job and not added enough coolant, etc. Either way no matter what they are responsible for the problem. Now I caution you to ask the question that besides getting it right will they stand behind the possible head problems due to hot engine that could cause head warpage or a head gasket to fail!

#2 question: I would look at the heater controls. It appears that the heat system is not functioning properly.
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Monday, October 26th, 2020 AT 12:50 PM (Merged)

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