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Unread 04-23-2013, 12:24 AM   #1
DarkSport11
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2011 KK Liberty 
 
Join Date: Mar 2013
Location: Farmingville, New York
Posts: 185
Coolant smell

I can smell coolant through the vents every time I put my heater or defroster on. I can also smell it outside the car after driving and parking. I have checked the passenger side carpet to see if it's wet thinking maybe the heater core is the problem but it's dry. There is no coolant on the ground under it and no visible leaks from any hoses. The coolant level stays where it's supposed to, I'm stumped. Anybody have any ideas or have these symptoms?

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Unread 04-23-2013, 08:58 AM   #2
Bain98xj
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1998 XJ Cherokee 
 
Join Date: Dec 2009
Location: howell
Posts: 393
You could still be loosing coolant thru the heater core. And it may or may not leak on the floor. A lot of times it will slowly leak out of the a/c drain and run down the firewall slowly. If your smelling it inside but dont see a leak I would say thats uour answer
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Unread 04-23-2013, 10:14 AM   #3
DarkSport11
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2011 KK Liberty 
 
Join Date: Mar 2013
Location: Farmingville, New York
Posts: 185
Thanks I'll check it, I was thinking the heater core also.
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Unread 04-24-2013, 08:18 AM   #4
Chipppy
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2002 KJ Liberty 
 
Join Date: Dec 2011
Location: Huntsville, Alabama
Posts: 151
I found a crack on the upper right hand corner of my radiator the other day. I was seeing coolant on my a-arms and on my skid and finally found where it is coming from. New radiator only runs like 175 going to have to swap in a new one.
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Unread 04-24-2013, 08:43 PM   #5
DarkSport11
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2011 KK Liberty 
 
Join Date: Mar 2013
Location: Farmingville, New York
Posts: 185
Quote:
Originally Posted by Chipppy View Post
I found a crack on the upper right hand corner of my radiator the other day. I was seeing coolant on my a-arms and on my skid and finally found where it is coming from. New radiator only runs like 175 going to have to swap in a new one.
I wish mine was that simple, I've already put a new radiator and A/C condenser about a year ago. I checked the radiator and it's good, hoses are good as well. If it does turns out that it's the heater core I'm looking at a big job ahead of me. I think it might be a pinhole in the heater core because the coolant level never moves. I was thinking about flushing out the system and putting a coolant system sealer in it when I refill it temporarily until I have the time to pull it apart. Has anyone had any success with cooling system sealers, not that thick goopy stop leak crap? Valvoline has Zerex Super Sealer that claims it seals without clogging your cooling system.
http://www.valvoline.com/products/co...-treatments/47

Last edited by DarkSport11; 04-24-2013 at 08:57 PM..
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Unread 04-25-2013, 09:27 AM   #6
oldfamilyguy
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Join Date: Dec 2008
Location: oakville, canada
Posts: 814
I wouldn't use any of those leak sealers and risk clogging things up, especially since you have the new rad in there. If its not too terrible to live with a little longer you will be able to get by without heat soon, then just bypass the heater core and you'll have a few months stink free to get it done. If you do it that way though, it will be the quickest summer you ever had and before you know it snow will be coming and you still don't have it done. I've been through that more than once.
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