Removing aux heater core - Defender Source
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  #1  
Old March 11th, 2007, 08:29 PM
cpk
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Corey K-nig
1993 NAS Defender 110
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Removing aux heater core

The heater core in the aux heater started to leak. This is the heater in the passenger side seat box. Don't know much about it. I have a 93 NAS 110 and I think this was a dealer installed option or a factory option. Anyway, I see three bolts sticking through the seat box side from underneath where the heater is and removed the nuts, but it is still in there real tight. When I yank on it it doesn't budge. Any idea on how to get it out or what I'm missing?
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  #2  
Old March 11th, 2007, 11:07 PM
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jim pendleton
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Can you post a picture?

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  #3  
Old March 11th, 2007, 11:49 PM
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Andrew Najarian
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Never seen it, and I've got a 110! I have to say that it sounds like you're missing something though. In all my experience working on cars I have found that once all the bolts are off it rarely takes much effort to remove something. Usually if I start to pry or pound on something I stop myself and take another look. More often than not I have missed some hidden bolt, clip or screw so I would take another close look.
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Old March 14th, 2007, 09:35 PM
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Corey K-nig
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Finally got a picture. Check the link below. It is a picture of the unit in the seat box. It is tight in the seat box, so there has to be a way to get the whole thing out for maintenance. I was hoping someone has dealt with this issue before I dismantel more than is necessary.

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  #5  
Old March 14th, 2007, 09:42 PM
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Matt Hurst
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any on the trans tunnel side underneath?
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  #6  
Old March 14th, 2007, 09:57 PM
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steve
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That is really interesting... I have never sceen one before
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  #7  
Old March 15th, 2007, 08:46 PM
cpk
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Corey K-nig
1993 NAS Defender 110
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There are three studs coming from the seat box into the transmission tunnel. They have to connect to the heater. I removed the nuts and washers, and it's like I did nothing. I thought this thing was fairly common, but it doesn't look like it.
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  #8  
Old March 16th, 2007, 09:23 AM
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You could just disconnect the coolant lines and leave it in there for the time being.
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  #9  
Old March 16th, 2007, 09:31 PM
cpk
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Corey K-nig
1993 NAS Defender 110
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That's what I'm doing for now, and it's fine. The extra heater comes in handy, though when the temp is low.
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Old March 18th, 2007, 07:34 PM
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Andy Radlgruber
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I was actually thinking fo removing mine and replacing it with a Mojave heater from Flex-a-Lite All the wiring is there and so are the coolant lines, in and out. It could be a straight swap and by the specs of the Mojave, a lot more heat. I find my aux heater is a waste of an on off switch.
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