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No heat, new core hoses,glade door, and thermostate

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  • 3 Answers

Core is plugged take off the two hoses and flush it both ways

Posted on Jan 06, 2013

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Posted on Jan 02, 2017

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SOURCE: new heater core and thermostate /no heat

sound like you have a bubble in the system. make sure you drain all liquid out, make sure the thermostat is the proper temp rating and is not backwards. Fill the radiator up turn the car on turn the heater on full blast fill up the over flow with anti freeze. put the radiator cap on. watch the temp in the car. dont let it get all the way in the red. you should see the overflow tank start to get the anti freeze sucked out of it don't let run dry. I had this problem with my 2004 dodge ram. This is how a master mech told me to do it

Posted on Jan 17, 2009

  • 2002 Answers

SOURCE: no heat

Either your heater core is plugged or the system has an air lock. To cure an air lock loosen the rad cap, not the overflow, to the first notch and run the truck for a day or two. Check the coolant level often and keep it topped up. If this doesn't solve the problem you could try a "reverse flush" on the system to loosen up whatever is blocking the heater core, otherwise you'll have to replace the core. Hope this helps.

Posted on Feb 09, 2010

bayyagg
  • 1672 Answers

SOURCE: no heat. Had it in to a mechanic, replaced heat

Did he check the a/c heater housing flaps and solenoid/motor links that opens and closes these FLAPS for a/c and heater? Sometimes the solenoid activates and LiNKAGE seems stuck to open the heater FLAPS/DOOR. Bring it back to the mechanic and test those links and motors that i said! Hope that helps u out! taah!

Posted on Nov 16, 2010

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SOURCE: No heat, hoses are all

this may or may not help Tim:

http://www.allpar.com/fix/heat.html

Posted on Dec 24, 2010

  • 1455 Answers

SOURCE: 02 maxima blows no heat. Only one hose going to

If only one hose going to the core is hot, then the heater core valve is bad. It's what stops or allows hot coolant into the core. Only one hose being hot means coolant is not traveling through the heater core. Have that valve checked out.

Posted on Jan 12, 2011

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I have a 2001 s10 and no heat and I clean out the heater core and the water is not getting hot it's running bout 125 what can I do to fix it.


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Jan 20, 2010 | 1993 Chevrolet K1500

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No heat from heater ,a/cond works fine fan blows on heat but no heat,no leakage from core


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I had problems with a similar truck,a 1998 GMC diesel after checking to make sure the control cables were operating the blend door and blowing the mess of the heater core,I replace the thermostats.Still no heat turns out there was a small amount of debris collecting in the fitting for the inlet hose at the thermostat housing after removing it and blowing out the lines the heat was fine.

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