Question about 2001 Dodge Grand Caravan

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My coolant does'nt get hot or warm after the van was running for more than ten minutes. Is it the thermostat or the water pump that is bad and where are they located?

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Thermostat is probably stuck open.

Please see my tip at http://www.fixya.com/cars/r5929960-s_thermostat . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.

3.3 liter Dodge engine thermostat location:


My coolant does'nt get hot or warm after the van - jturcotte_694.gif

Posted on Jan 02, 2011

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Posted on Jan 02, 2017

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2006 dodge grand caravan replaced thermostat and radiator, still no heat?? And the van is running hot


How hot is the engine in degrees F? With a fully warmed engine are the heater hoses, hot? Check coolant flow through the heater core. If no coolant flow through the heater or engine, I'd have to check water pump.

Sometimes when the cooling system is opened, it may get air in the system, your temp gage may be reacting to air in the system?

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While it doesn't seem likely, if you've changed, or had the thermostat changed.... I'd say you got a faulty thermostat. I am curious as to what your temperature gauge says the temperature of the engine and coolant is.. If your gauge is showing hot, I can think of two more possibilities... the water pump isn't pumping right... and, if the water pump isn't working right, the problem can be a cracked head or block, which can cause an airlock in the coolant system. Check the coolant or radiator cap.

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My Bmw 316i is overheat problem. after starting the engine within 15/20 min the temp gauge touch red light. I have change my water pump. one think i notice that the radiator coolant is not so hot, just...


You know most people think of the worst when it comes to these things. Try this, let your run for about ten minutes then shut it off. Feel both upper and lower hoses and see if they feel about the same in temp. If not than it could be your thermostat. If everything feels fine then you may have a bad sensor.

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Sounds like the coolant/water is not flowing through the system . This could be caused by a bad thermostat or faulty water pump . Dodge is at the top of the list for water pump impaler issues .

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What is making my van over heat


well depend on if is loosing coolant or not if not the first and cheaper is replade termostat . next may the catalyctic convertor is cloge i hope not expensive. if the van was over hot before may the water pump and termostat together

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1991 honda accord is overheating. Installed new radiator because of leak and the car started overheating because of cracked heater hose. Installed new hose and still overheating. Bottom radiator hose is...


When the car is completely cool,check the electric fan(s) for smooth rotation.

Clean/check/change the thermo sensor,contact and wire.

===

Excavate air pocket in coolant system / check for head gasket leak

This test will kill two birds with one stone.

===

MAKE SURE THE COOLANT SYSTEM and ENGINE IS COLD!

RAN THIS TEST IN A WELL VENTILATED AREA ONLY!

You will spill some coolant during this air pocket purge test.......BE KIND TO THE ENVIRONMENT and ANIMAL please clean up after the test!

===

Put the front end on a pair of ramp or park your car on a VERY STEEP HILL (radiator facing top of the hill) .

Top of the coolant reserve tank

Let it ran for 10-15 minutes.

Monitor for air pockets escaping from coolant reserve tank.

Small amount of bubbles is OK at 1-5 minute mark

After the thermostat open up (after 195 F warm up) at
5-12 minute mark or after high idle you should see less bubbles.

If you do not see any in rush of bubbles then your thermostat may be partially stuck or rusted badly inside the thermostat hosing.

Give the thermostat host few gentle taps.

If you see larger bubbles surfacing after 15 minutes then should do a hydrocarbon (HC) dye test to test for potential head gasket leak.

Let engine cold down and top off coolant reserve tank.

Start monitor for coolant lost

===

A coolant flush is require every 2 years or 24,000 miles.

I recommend the thermostat that has a relief pop-let to reduce the change of burst radiator and coolant hoses.

Make sure you get a new thermostat gasket,black RTV and fresh coolant for the job.

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Please post more information by clicking the comment link on the top right corner.

DON'T FORGET to RATE ME if my tip is helpful to you!

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Assuming proper fluid level your thermostat sounds like it may be stuck closed (or nearly closed)
If the radiator has little or no heat to it when your engine gets warm this is probably the case.

I hope this helps,
Tom

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How to replace thermostat


coolant leaking from water pump problem or circulation problem driving it will create more problems that are very costly tochange thermostat there are 4 ten mill nuts on water pump cover two bolts on inlet side hose of engine holds thermostat

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