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'94 Seville STS
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68 Posts
Discussion Starter · #1 ·
I have some cold air blowing by my feet, even with the heater on. I was looking under the hood, and it looks like there's a few cracks/pieces missing from the heater assembly. Does this look normal? (Nevermind the dirt, or the date on the photos). ;)



 

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What your looking at is the heater box cover. It's a rubber cover w/ insulation in it that covers the heater box. You can only patch it with the engine in the car...to replace it the cradle must be lowered. I replaced mine when the engine was out...even then it was about a 30 minute ordeal to get it to fit correctly.
 

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'94 Seville STS
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68 Posts
Discussion Starter · #4 ·
Thanks guys.

What's a good way to patch this. There's a few cracks in this housing that didn't show up too good in the pics, but I think I could get some RTV sealer to seal those cracks. (Is RTV sealer what I should use, or is there something better)? Also, what would you use to fill in that missing piece?
 

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2010 DTS
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88,679 Posts
I would get some self sticking drywall tape. The nylon mesh type and apply that first, like a band aid, then goop RTV over the top of it. That would make a pretty strong bond.
 

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'94 Seville STS
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68 Posts
Discussion Starter · #6 ·
I'm finally getting this patched up today, and I need to know if I can apply the drywall tape and RTV sealer directly to the "yellow filter looking thingy" (technical term :) ); or do I need to leave a cushion of air between my patch and the "yellow filter looking thingy"?
 

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'94 Seville STS
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Discussion Starter · #8 ·
I have it patched. (I hope).

The drywall tape worked like a charm, and I used the whole tube of RTV. The hole was a lot bigger than I thought it was. As soon as I moved the coil pack out of the way, I was like :holycrap: . I couldn't believe that there was that much plastic missing.

I'm just waiting for the RTV to set, so I can see if this works.

Thanks for all the advice.
 
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