Question about 2001 Dodge Durango

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Cooling system i replaced radiater, waterpump, thermastat, top hose and cap, and heater core. it overheats and air in cab is cold.

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  • yadayada
    yadayada May 11, 2010

    Have u had it tested for a blown head gasket?

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  • 36 Answers

I would try another thermostat it is common for a brand new one to be defective.

Posted on Jan 10, 2009

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2 Answers

1999 Dodge 1500, After driving 30 miles the heat is barely warm. Heater core hot both inlet and outlet and the bottom of the heater core is hot, top rad hose warm, bottom rad hose cold, Radiator cap u


sound like the impelled in your water pump may have failed. Or your system is air bound. Try to open the rad cap when its cold and let it run and see if air bubbles come to the top

Oct 04, 2014 | Dodge Ram 1500 Cars & Trucks

1 Answer

Hot heat at idle cool when driving


is there a chance that one of your heater hoses are clogged? or where they connect to the engine are clogged still? sounds like a clogged system. Cracked heater housing? Outside air bypassing the heater coil while driving?

Dec 13, 2013 | 2004 Pontiac Grand Prix

1 Answer

1992 subaru legacy 2.2 liter overheating and no heat. already replaced waterpump,thermastat, radiator and hoses


You mean the car is running fine but just No Heat?
If so
-Sound like the heater hoses are plug. or the control valve is no function

-Check the heater control valve and flush the heater unit with water of garden hose from both directions.
Q: How do I know that is working or not?
A: Slide the heater control from Hot to cold or cold to hot and check it turn or not. (If not turn at all. The cable is broken or slip off)

Mai Lor

Feb 22, 2013 | Cars & Trucks

3 Answers

Engine overheating i have replaced the radiator has plenty of water


replace thermostat.then bleed coolant system, this is how you do it.fill the cooling coolant system with 50 / 50 dexcool and water to raise boiling point,straight water will evaporate boil away cause engine to overheat catch fire thats why you need 50 / 50 mixture antifreeze and water.to bleed coolant system first fill coolant system until coolant stay at the full cold mark on the the coolant overflow jug,then you start engine allow it to idle,place the heater and ac control in any ac setting except max and the temperature control to the highest setting,run engine until lower hose to water pump is hot. with the engine hot run the engine speed up to 3000 rpm and allow it return to idle, repeat this 5 times. slowly open the bleed valve on the thermostat housing or look for bleed valve at the water pump heater hose.open bleed valve for 15 seconds to expel any trapped air.then top off the coolant as necessary,and when top radiator hose hot thermostat open up.keep adding cooling to overflow until coolant level stop at full cold mark dont over fill coolant.if engine seem like overheating while looking at cooling gauge turn off engine wait a while until cool off add more coolant until coolant level stay stable and dont drop any.when open radiator overflow cap use large rag over the radiator cap to keep from getting scald open radiator cap a little at a time but dont open radiator cap until engine cool down first.replace the radiator overflow cap, thermostat,and engine coolant temperature sensor and check the cooling fans fuses and relays see what happens.

Aug 18, 2012 | 1998 Oldsmobile Intrigue

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 FixYa.com!

Jan 25, 2012 | Cars & Trucks

1 Answer

Heater is blowing cold air.


fix coolant leak where hose or tube goes from overflow jug to the radiator cap and replace radiator or overflow jug pressure cap see what happens.if problem still exist your blend air door stuck or air door vacuum or electrical actuator not working not receiving vacuum could have broken vacuum hose or faulty mode switch, could be many things.could have plugged heater core check both heater core coolant hoses both hoses should be hot.if heater core inlet hose hot and out let hose cold heater core could be clogged need flushing out.

Jan 05, 2012 | 2001 Dodge Durango

1 Answer

1994 silverado heat is not working. Replaced thermastat, heater core and checked fuses. Still no heat. The blower motor (high, med, low, is working fine.


I think that one still uses cables to control the blend doors and vent doors. Are you sure those are working and/or connected.

Also when you replaced the thermostat and heater core did you bleed the cooling system? With the engine cold remove the radiator cap and let engine idle up to operating temp while keeping the radiator topped off with coolant.

Are the hoses going to the heater core hot?

Dec 06, 2010 | 1994 Chevrolet Silverado 2500

2 Answers

I have a 2001 mercury villager that overheats. I replaced the fan assembly and the thermostat. The radiator is fine. What else could be causing the van to overheat?


You have air trapped in the system. If you have cold air, warm air, cold air from your heater, then it's air entrapment. Very common these days. Go to a shop that uses vacuum method to refill cooling system & that will purge air.
Otherwise, you can try. Park uphill. cold engine - fill radiator to top with 50/50 mix of antifreeze. leave cap on but loose. fill reservior to 3/4 full. Turn heater to hot to allow coolant to flow through heater core. start engine, run at 1500 rpms until thermostat opens and upper hose is hot. tighten cap and let it cool down. after cool check level of reservoir. fill to top line on reservoir. it should **** coolant back into radiator as it cools down.
repeat if still an issue.

go to yahoo group for villager quest & join owner group for much more help. 2500 members.

Dec 07, 2009 | 2002 Mercury Villager

2 Answers

When running the ac it overheats


flushing the radiator might not be enough to remove the water scales inside the small cavities...have it opened and cleaned thoroughly. In the location where I live they remove the top and the bottom part of the radiator and put a flat wire in and out into each of the flat tubes to dislodge the accumulated scales and dirt out. hope this helps

Aug 18, 2009 | 1995 BMW 5 Series

3 Answers

Heater blows out cold air when on the warm setting ,possibly a plugged heater core


yes this is very likely the problem, have you check your cooling system is it rusty? if so the heater core is plugged, take the inlet and outlet hoses off the core at firewall and use a garden hose to clear it, then have the cooling system flushed if rusty.

Jul 23, 2009 | 1999 Ford Taurus

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