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I'm gonna take apart the dash to find out why my heater is trying to kill me. I get sick when using the heat so i think something's rotten in the vents or i'm leaking something in there that's harmful to inhale.

Where do i look to find the source? I never really tore apart the dash to inspect vents and stuff like that. I did tear it apart for speaker and radio installation on my TJ, which is similar to the xj. Should i focus on the passenger side or driver's side? where's the heater core?


I'm a NOOOOOB now :)
 

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Heater core should be in similar places.
http://autorepair.about.com/library/faqs/bl566h.htm

Also if you dont have a haynes I highly recommend spending the 15$ for one.
That's something i need to do...like NOW. When i had the TJ, i told myself to buy a Haynes manual but put it off for 3 years because the $15 i save for it always gets stolen for parts instead. Now that the xj is built and practically done...for now....i can actually go buy a book.
 

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You should probably be prepared to remove the heater box assembly. Easy enough, but time consuming if you've never done one before. Good luck.
 

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I'm gonna take apart the dash to find out why my heater is trying to kill me. I get sick when using the heat so i think something's rotten in the vents or i'm leaking something in there that's harmful to inhale.

Where do i look to find the source? I never really tore apart the dash to inspect vents and stuff like that. I did tear it apart for speaker and radio installation on my TJ, which is similar to the xj. Should i focus on the passenger side or driver's side? where's the heater core?


I'm a NOOOOOB now :)
Look for a leaky AC. is your ac cold ?
 

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Discussion Starter #7

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Still having this problem Mudd?
I haven't used the heater in almost two years now so I have no idea if it's still bad. I'm sure it is cuz I never fixed the issue....or knew what it was.
 

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Mud

One of the things that happens is that the AC condensate gets wet inside and develops mold. Mold spoors are known to make people sick. If that is the problem, there is an easy fix. HVAC companies have tablets the size of horse pills that are put in the AC condenser pans every year to prevent that from happening. Just break them up and stuff them up the condensate drain.
 

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mold...ewwwwww......
 

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Mud

One of the things that happens is that the AC condensate gets wet inside and develops mold. Mold spoors are known to make people sick. If that is the problem, there is an easy fix. HVAC companies have tablets the size of horse pills that are put in the AC condenser pans every year to prevent that from happening. Just break them up and stuff them up the condensate drain.
those tabs are a waste of money lol your better off pouring bleach in your drain pan
 

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those tabs are a waste of money lol your better off pouring bleach in your drain pan
I used to be in HVAC service. They work. The bleach is gone in a few hours. The tabs stay there for months.
 

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Sounds like the cabin air filters have become completely obstructed with copious amounts of fecal effluvium.
 

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i guess but with both the tabs and bleach ive never seen any decrease of mold in the ducts ...
 

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Sounds like the cabin air filters have become completely obstructed with copious amounts of fecal effluvium.
did you just say he crapped in the cabin air filter?
 

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i guess but with both the tabs and bleach ive never seen any decrease of mold in the ducts ...
The tabs don't decrease mold in ducts because that is not what they are for. They are for preventing mold accumulation in the condensate pan. Mold in ducts is due to dirty ducts + moisture
 
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