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2500 dodge heater control

The heater blows Cold air I Can flush water through the heater system with no resistance

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 651 Answers

SOURCE: heater blowing cold air

squeeze the hoses to get any air bubbles out and refill coolant as necesary. are you sure you put thermostat in the right way? may be backwards. also may be your sensor.

Posted on Jan 04, 2009

  • 1 Answer

SOURCE: 96 audi a4 heater blows cold air

you have air in the system!! you have to unbolt the filler tank and lift it 5 inch higer first. then loose the right hose on the heater core( this hose have and hole to bleed the system) and then put antifreeze until the antifreeze will go out of the hole then re install the hose to the heater core, then ajust the level correcty
have fun
jean-martin

Posted on Feb 05, 2009

  • 1779 Answers

SOURCE: 2001 Dodge Caravan heater blows cold air when stopped

Have you checked the coolant level? What you describe is exactly what happens if the coolant level is low. When stopped at idle, hot coolant is not circulating through the heater core, so no heat. As the engine increases in rpm's when you pull away from the light, the water pump is spinning quicker, and some coolant is making it to the heater core. So check the level, and if it is low, keep an eye on it to see if it drops again. That of course indicates a leak somewhere. Get it fixed, as overheating the engine leads to costly repairs and worse case a new engine. Let me know how you make out with this.

Posted on Dec 05, 2009

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3 Answers

I have a 1992 Chevy caprice how do I flush the radiator


Remove hoses and use garden hose to run water through both tubes then reverse the flow and flush some more. If that won't clear the debris then replacement will be necessary

Jan 03, 2015 | Cars & Trucks

1 Answer

Heatdoesn't work, A/C blows out warm air and defrosts blow out cold air


Right think the problem is the heater core is blocked with corrosion ,now remove the bottom hose from the rad and the heater hoses then flush every which way you can including through the heater core reversing direction then ,refit all the hoses fill with water only and see if heater works if so the remove the bottom hose again and drain ,then add a minium of 3 litres of antifreeze ,its a anti corrosion agent as well as antifreeze and without it the internal of the engine will corrode and the slurry will block the heater first then the radiator ,

Jan 04, 2014 | 2001 Dodge Stratus

1 Answer

Heater core is working properly but car will not blow hot air only cold air i am thinking the flapper that controls hot \ cold is stuck in the cold air position


To troubleshoot this types of problem,click the link below :----http://howtobyme.blogspot.in/2012/02/heater-blows-only-from-defrost.html
--------Go through the procedure to confirm the issue.

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Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

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Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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This will help.Thanks.

Jan 25, 2012 | 2001 Buick LeSabre

1 Answer

My 2005 Dodge 2500 Diesel, the A/C seems to be blowing cold air then warm air and the LED for the rear view mirrors defrost is blinking off and on. What is wrong?


The blinking LED indicates that there is a fault in you A/C-heater control system.

The A/C-heater control communicates on the Programmable Communication Interface Multiplex System (PCI) Bus and is fully addressable with the DRBIII(R). [scan tool]

The A/C-heater control's primary means of fault detection is through active and stored diagnostic trouble codes (DTCs). Active DTCs are those which currently exist in the system. The condition causing the fault must be repaired in order to clear this type of DTC. Stored DTCs are those which occurred in the system since the A/C-heater control received the last clear diagnostic info message. DTCs must be read with the DRBIII(R).
Please note that SOME aftermarket scan tools also have the capability of accessing the A/C-heater control system.

Aug 31, 2011 | 2005 Dodge Ram 2500 Truck

1 Answer

Heater blowing cold air replaced thermastat next day heater blowed hot then it started blowing cold again has a new radiator and the water is not low


Flush coolant system out first with prestone or peak coolant flush if problem still exist replace heater core.

Apr 05, 2011 | 2001 Chevrolet Blazer

1 Answer

Have a 1998 dodge caravan blows cold only new thermastst flushed system new anti freeze help


Most likely the problem is a broken blend door inside the heater box or a broken adjuster cable going to the blend door, the blend door inside the heater box is responsible for heater output depending on your temp adjustment on your heater control panel, most likely the blend door is stuck in the cold position allowing cold air to come through the vents verses allowing the blower motor to blow warm air past the hot heater core to produce heat, check the temperature adjuster cable behind your heater controls and make sure its connected and not broken, lastly make sure the blend door isnt broken and operating freely.

Dec 06, 2010 | 2000 Dodge Caravan

1 Answer

97 dodge ram 2500 v8 5.9 no heat flushed the system heat core is not plugged


heater cores have small bypases in them try using a blow gun with air unhook both line make sure there is water in it .try both ways.be careful not to slash your self or get it in your eyes .also you can get the truck to operating temperature check heater hoses to see if they're the same temp.
if not its clogged up

Oct 27, 2010 | 1997 Dodge Ram 2500 Club Cab

1 Answer

I have a 2006 Ram 2500 Diesel. My heater quit working. One minute it was blowing hot air, then next it was blowing cold air. Any ideas what this is or how to find out without spending an arm and a leg?


low coolant. disconnected or faulty servo to control difference between hot and cold or the heater core could be clogged. if it warms up when reving the engine then it is probably low coolant.

Jan 20, 2010 | 2006 Dodge Ram 2500

2 Answers

Heater blows cold air, replaced thermostat &


try to back flush the heater core. and if that dont work check the blend door it see if it is working.

Oct 15, 2009 | 2002 Mitsubishi Galant

1 Answer

Air is cold but not blowing


sounds like a leaking heater core, that explains the liquid. and i 've done heater core jobs on a dodge ram and it is kinda costly, approx, 5 to 7 hours depends on whos doings it.

Jun 27, 2009 | 2006 Dodge Ram 2500

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