Question about 1995 Dodge Dakota

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Cool air blowing from heater, even when on high.

I have backflushed my heater core, and the hoses get hot. Water from heater core flowed easily and clear after the brown crud was flushed out. But yet still no heat. The a/c works great, i can hear the blend door moving when i mess with the controls, radiator is clean. I have not yet checked the thermostat and water pump, but i believe problem is that the heater core is bad. what do you think? can help me?

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  • 2yearscold Jan 22, 2009

    Same problem, 2000 Dakota. Heater core, radiator and hoses all had sludge. Ended up replacing the radiator, thermostat (twice), heater core and hoses. Hoses are hot in and out of core, but still no heat. The blower feels and sounds like it is blowing hard, but seems to blow within the dash and not out the vents. I've been cold for 2 years now.



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If the heater core is bad, it will leak or not flow water. even tho you can "hear" the blend door working, it may not be actually moving inside the box. check to see if the actuator is connectd to the blend air door. You may be hearing the actuator moving but not the door.

Posted on Nov 22, 2008

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Make sure the thermostat is good, system is full, heater control valve is not bound up

Posted on Nov 19, 2008


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

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Dec 10, 2010 | 1996 Audi A4

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Heater only blows Very luke warm air on low speeds. when the speed is increased to 3-5 the heat goes away and it only blows cold air. Any suggestions

Read all of these instructions before starting this job.
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Hope this helps and please rate my solution - good luck!!

Nov 29, 2010 | 2001 Chevrolet Silverado

1 Answer

Sometimes my 2003 S10 blows cold air out of the heater. At those times, I notice one of the heater hoses is cool while the other is hot. Suggestions?

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Good luck!!

Nov 22, 2010 | 1998 Chevrolet S-10 Pickup

1 Answer

Cool air coming from my 1990 deville changed raditor and therm. still luke warm.

try backflushing the heater core,remove heater coolant hoses and flush both ways with a garden hose,do you have a air compressor ,blow water back through heater core both ways,this asuming that all valves are working allowing coolant to flow and all air doors in car are opening,if so this fix has worked many times for me in older cars note works better to hook water hose to hoses or a short peice of hose on heater core,good luck

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3 Answers

No Heat! 1999 chevy blzr lt 4.3 radiator full, blower works,

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Here's an easy test: Run engine until temp gauge reaches normal: around 180-200 degrees. Reach back to the firewall and grab both heater core hoses. Are they both about the same temp. and HOT? THey should be. If one is much warmer than the other. You are clogged enough to suffer in the winter. And from what you said: "Brrrrrr" You are getting poor performance out of your heater.

BE sure to check that the blend door is working. Is it cool when you set temp to cool? Blazers go through way more heater cores than they do blend doors, so I'm betting your core is either empty, or clogged. TaterTodd

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1 Answer

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if the car is not overheating, the thermostat is working fine.... replace or flush the heater core multiple times to try and eliminate sediment build-up.

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