Question about 1997 Dodge Caravan

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Over heating installed new thermostat fans dont seem to come on heats up only when sitting on idle long time or when using air cond

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Check the cooling fan relay located (hidden, hidden, hidden) under the air filter assambly mounted with 2 screws on the chasis of the car.

Posted on Aug 06, 2008


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Overheating when I sit idle.

Over heating the engine is a serious concern. With the hood raised you should hear the motorized fan turn on just behind the radiator as the engine requires additional cooling.. If you look in from the rear of the radiator you should see the fan blades.

This electric powered motor operates on a thermostat and when the engine temperature rises this fan should come on. I'm assuming from your description that when driving and air is flowing through the radiator as the car travels the engine is nor overheating.

Check fan motor thermostat, check fan motor and check wiring.

Wiring Diagrams related to the Honda Civic

Motor engine cooling fan only runs as engine temperature requires additional cooling.

Jan 05, 2016 | 2001 Honda Civic

1 Answer

No heat coming from the vents.

If it is a manual system--sounds like coolant low ie: air bubble in system. If it is ATC system, Check Codes, if no failure codes, coolant may be low--air bubble in system--most Durango's have air bleeders in system.

Jan 18, 2015 | 1998 Dodge Durango

1 Answer

I put a new thermostat in my 1994 ford escort,and still dont have warm heat while my heater is on. How do I test to see if I have a bad waterpump?

If it where your water pump isthe vehicle would overheat. After you replaced the thermostat do you run the engine at idle with the radiator cap removed until the radiator fan came one? This will help push the air out of the system. There are two other possibilities. 1. The heater core is plugged. Back flushing the heater core may help remove the built up debris and get you heat again. 2. The blend door may not be fully transitioning from cold to hot. You should be ale to hear a district change in how the air sounds when switching from full hot to full cold. Let me know if you have any questions and I'll do my best to answer them. Thank you for using!

Jan 25, 2012 | Cars & Trucks

1 Answer


The fan fuse was blown? Well, the only way that will make your engine overheat is if you were sitting still for a long time and it overheated. If you keep the vehicle moving, the air can cool the radiator (without the fan), and it should be fine.

Aug 04, 2010 | 2005 Kia Rio

1 Answer

I have a 1998 Dodge Durango SLT-V6 that has no heat.

The heater core might need back flushed, I just did mine this winter. Go to and introduce your self and your rare as ever truck, a v6 durango, and have fun.

Dec 21, 2009 | 1998 Dodge Durango

1 Answer

I have a 85 2.5 4 cyl fiero. I replaced the water pump and thermostat. Still over heat, seems as if water is not flowing thru system. Please help

Air in the system might be the culprit. There are several techniques out there but filling the system with car level on the ground will not get all the air out. Without getting all the air out, it will overheat. I believe one of the techniques is to fill the system (at the thermostat housing) with the rear end lifted and the radiator cap off until the fluid flows out at the radiator. Then put the radiator cap on and finish filling it up. Also make sure your electric fan on the radiator is working as well as the temperature switch on the engine. I was having trouble with the fan relay and it wouldn't bring the fan on. Additionally at idle, there just doesn't seem to be enough flow so the temperature tends to rise when sitting at idle for any length of time. Unless you live up north, you may want to remove the thermostat. Down south, my engine heats up just fine without confining the water flow and with the limitations in the stock system, you'll never have a problem of running it "cool" anyway!

Nov 29, 2009 | 1985 Pontiac Fiero

1 Answer

My 1999 Tahoe's air cond gets warm when you idle. Is there a fan or something that should be blowing when sitting still?

the electric fan should switch on at a stop at idle for the condensor to disapate the heat. If the fan doesnt come on not enough air flow will keep the system hot. A low freon level will compound this issue.

Jul 16, 2009 | 2003 Chevrolet Tahoe

1 Answer

Over heating when sitting at idle for a short while

It sounds like it may be your electric cooling fan. When the car is sitting idling does the fan behind the radiator ever come on? If not then this is your problem. Your car doesn't overheat when it moving because you're passing air through the radiator with the movement of the car. The problem could be the fan itself, the fan relay, or a temperature sensor.

May 30, 2009 | 1999 Jeep Grand Cherokee

3 Answers

2002 kia sportage temp gauge runs hot while driving

Cheak to see that the coolant fan is operating with the A/C turned on. The fan has to work to help the engine stay cool and help the A/C. When you apply heat on the control it acts to reduce the coolant temp. You will have to get the coolant fan operation checked. This can be :fan motor, fan relay, temp sensor and computer. Good luck

Apr 26, 2009 | 2002 Kia Sportage

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