comanche13 Posted February 27, 2009 Share Posted February 27, 2009 my truck won't blow hot air i dono if this is the same problem summermaine has or not but just wondering what it might be it sucks driving in -20 with no heat Link to comment Share on other sites More sharing options...
MiNi Beast Posted February 27, 2009 Share Posted February 27, 2009 So what have you done to fix this problem? Check thermostat? Insure you have 60/40 antifreeze mix? Blower working? What is your temp running?????????? :???: :???: :???: :???: Link to comment Share on other sites More sharing options...
comanche13 Posted February 27, 2009 Author Share Posted February 27, 2009 running at the quarter mark and 210 is the middle once in a while it will hit almost 210 but then drops i need a new overflow bottle mine spits coolant everywhere but there impossible to find! Link to comment Share on other sites More sharing options...
MiNi Beast Posted February 27, 2009 Share Posted February 27, 2009 http://motors.shop.ebay.com/_Car-Truck- ... kZ1?_rdc=2 :thumbsup: Link to comment Share on other sites More sharing options...
Pete M Posted February 27, 2009 Share Posted February 27, 2009 Yup, I would definitely start there and see what happens. :thumbsup: Could also be a clogged heater core or a faulty vacuum valve (the one that switches to allow coolant to flow through the heater core). Did this all happen suddenly? Or did it slowly get worse? Link to comment Share on other sites More sharing options...
project88mj Posted February 27, 2009 Share Posted February 27, 2009 have you tryed sliding the slider to the red side? :rotfl2: :rotf: Link to comment Share on other sites More sharing options...
Spokes Posted February 27, 2009 Share Posted February 27, 2009 my heat sucks too... deff check ur thormo. thankfully my heat is starting to work better... its mid 50s here now :yes: Link to comment Share on other sites More sharing options...
comanche13 Posted February 27, 2009 Author Share Posted February 27, 2009 well i did have a cut vacuum line but i repaired it and it now doesent just blow out defrost it seemed to just happen one day like it used to run really warmi just had the rad flushed when i bought the truck so i don't think it could be clogged i did also then have to drain it to put in my block heater but i took out the frost plug is it worth it to buy the mopar overflow tank or can i buy one of them cheaper ones? Link to comment Share on other sites More sharing options...
Eagle Posted February 27, 2009 Share Posted February 27, 2009 running at the quarter mark and 210 is the middle once in a while it will hit almost 210 but then drops i need a new overflow bottle mine spits coolant everywhere but there impossible to find! What year MJ? If it's a 1990 or older, that isn't an "overflow" bottle, it's a surge tank and it's part of the cooling system. If it leaks, the coolant level goes down, and when the coolant level goes down there isn't enough coolant to run through the heater core. Quadratec in Pennsylvania sells the old style coolant bottles, if that's what you need. Link to comment Share on other sites More sharing options...
comanche13 Posted February 27, 2009 Author Share Posted February 27, 2009 i know its the closed system i priced out a bottle here they want 114 for it which i think is expensive so i just fill it up every day or so Link to comment Share on other sites More sharing options...
mvusse Posted February 27, 2009 Share Posted February 27, 2009 When mine cracked back in August I think, I ordered one off Ebay for $27 or so. So far so good. Link to comment Share on other sites More sharing options...
oldrusty Posted February 28, 2009 Share Posted February 28, 2009 I bought mine from 4wd hardware for 28 bucks back in november. Check them out www.4wd.com Link to comment Share on other sites More sharing options...
Eagle Posted February 28, 2009 Share Posted February 28, 2009 i know its the closed system i priced out a bottle here they want 114 for it which i think is expensive so i just fill it up every day or so Well, that bottle is NOT an "overflow" bottle. It is part of the pressurized system, so if it's cracked, there's a major part of your problem. http://www.quadratec.com/products/52449_1493.htm http://www.quadratec.com/products/51216_01.htm Link to comment Share on other sites More sharing options...
aemsee Posted February 28, 2009 Share Posted February 28, 2009 well i did have a cut vacuum line but i repaired it and it now doesent just blow out defrost it seemed to just happen one day like it used to run really warmi just had the rad flushed when i bought the truck so i don't think it could be clogged i did also then have to drain it to put in my block heater but i took out the frost plug is it worth it to buy the mopar overflow tank or can i buy one of them cheaper ones? Flushing the radiator is not the same as flushing the heater core. In fact whoever flushed the rad could have caused the core to plug up with crap from the block. Or maybe the cable to the blend door popped off if it happened all of a sudden. Can you hear the door hit the stop when you move it full cold to full hot? Link to comment Share on other sites More sharing options...
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