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Old 12-01-2015, 12:56 PM   #6
71CHEVYSHORTBED402
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Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,391
Re: Next up remove the Heater Box - Seeking education

Quote:
Originally Posted by kehstr View Post
if you ever plan on starting the truck i wouldn't cap the heater lines, just buy a 3/4 to 5/8 adapter, they are pretty cheap at most hardware of auto part stores. that will still let coolant flow through everything.
If you plan on taking the evaporator box off, i would pull that off first, so you can see how things come off, so you kind of have some ideas to how it will come apart. The evaporator box comes off pretty easy, with about 3 nuts, and about 5 bolts. The foamy rubbery stuff that seals the box to the cab, and the inside header box to together is really cheap, you can pick up a complete kit for $25 from lmc, and find it cheaper anywhere else. so don't be too worried if you ruin them.
hope that helps
Helps ALOT, thank you. Yes, everything needs to come off. Seems I've bypassed the heater core before, just as you've suggested.
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Tony

71 Custom Deluxe, SWB, 2WD, 402, A/C.

I developed an assembly guide (kit) for restoring this truck from the ground up, complete with details including full hardware descriptions. Much of the info. applies to all 67-72 GM. My build thread, with some info. about the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025
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