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Copper Heater Core

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  #31  
Old 03-27-2022, 02:58 PM
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Anybody know where you can get the white Styrofoam thing that the AC evaporator sits on?
 
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  #32  
Old 03-27-2022, 06:48 PM
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LMC Truck doesn't sell it?
 
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  #33  
Old 03-27-2022, 07:21 PM
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Originally Posted by AtomicDog
LMC Truck doesn't sell it?
Nope, it looks like it is part of the hvac box assembly if you look in the pic.

 
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  #34  
Old 03-28-2022, 07:39 PM
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Does anyone know if it's needed?
Had to order new seals for the heater core pipes, ac evaporator pipes, and the AC drain for the firewall and then it will be ready to install!
 
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  #35  
Old 03-28-2022, 10:42 PM
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I’d say yes, it’s needed… to help seal (avoid bypass air) and to stop chaffing of the core on the housing.

Get some door/window seal from a box store… put a strip on either side to achieve the same seal/contact patch.

My core came with a pad already adhered to the top.
 
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  #36  
Old 03-29-2022, 11:06 AM
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Originally Posted by Spillage
I’d say yes, it’s needed… to help seal (avoid bypass air) and to stop chaffing of the core on the housing.

Get some door/window seal from a box store… put a strip on either side to achieve the same seal/contact patch.

My core came with a pad already adhered to the top.
I seen aftermarket cores had weather stripping on 3 sides. Is that what you mean by pad?
 
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  #37  
Old 03-29-2022, 06:32 PM
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Originally Posted by MoparFanatic21
I seen aftermarket cores had weather stripping on 3 sides. Is that what you mean by pad?
Yes….
 
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  #38  
Old 03-29-2022, 10:08 PM
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Originally Posted by Spillage
Yes….
I'll have to add that because the sides of my Styrofoam is ripped.
 
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  #39  
Old 03-30-2022, 11:33 PM
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Originally Posted by Moparite
Back when i first replaced mine i went with copper. It was not made like the oem one(less fins) and it failed a few years latter. Replaced it with the aluminum ones and it's been working great ever since. Get the one with out the swivel lines (they will leak). Also there is a thread here somewhere that has info on where to get the foam.

Is the foam a deal breaker ? I didnt replace mine when i swapped out to an aluminum one ....😪
 
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  #40  
Old 03-31-2022, 07:05 AM
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Originally Posted by 96albertaram
Is the foam a deal breaker ? I didnt replace mine when i swapped out to an aluminum one ....😪
it helps tremendously
 
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