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Old 02-17-2012, 05:23 AM   #1
Woogeroo
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Unhappy antifreeze on the floorboard

antifreeze on the floorboard in my 1965 C10... hmn, that's not supposed to be there.

Coolant dripping out of the heater itself and onto the floor... then I check under the hood and it's dripping out there too and onto the frame rail.

I'm suspecting the heater core... now, I just gotta figure out how to take it out.

Now perusing section 13 in my '63 and '65 shop manuals. I haven't made it over to the assembly manual yet.

This looks like I am in for some cussin'.

-W
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Matraca - my 1965 Chevrolet C10 lwb step side

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Old 02-17-2012, 08:47 AM   #2
tincan1966
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Re: antifreeze on the floorboard

Actually it's not too bad, just remove top cover plate and replace the core.
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Old 02-17-2012, 10:06 AM   #3
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Re: antifreeze on the floorboard

Yeah...pretty straight forward job.
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Old 02-17-2012, 12:28 PM   #4
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Re: antifreeze on the floorboard

Everything is easy when you know how!

*smirk*

-W
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Matraca - my 1965 Chevrolet C10 lwb step side

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Old 02-17-2012, 04:25 PM   #5
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Re: antifreeze on the floorboard

O'Reillys has this in their system :

Murray - Heater Core
Part Number: 398224

I ordered one, we'll see if it fits tomorrow.

-W

p.s. if anyone else tries this, there are two speed nuts on the inside of the cab that must be taken loose, (if you drop the duct control, it's easy to get to) so that the heater core assembly will drop, so that you can take out the 4 screws along the back side of the top cover.
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Matraca - my 1965 Chevrolet C10 lwb step side

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Old 02-17-2012, 04:32 PM   #6
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Re: antifreeze on the floorboard

Hey Woogeroo, that's the part number I came up with too. Hope it goes well.
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Old 02-18-2012, 10:16 PM   #7
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Re: antifreeze on the floorboard

Well, that part fit my application... and I put some new hoses on there as well and buttoned it all back up. So far, so good. I hope that fixed it.

The duct work tube on the passenger side came apart, unwound and started looking like a slinky. I duct taped it back together until I can get some new ones.


-W
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Matraca - my 1965 Chevrolet C10 lwb step side

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Old 02-19-2012, 12:51 AM   #8
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Re: antifreeze on the floorboard

-W

p.s. after perusing a few vendor parts sites that sell pieces for our trucks... most of 'em want around 75-85 dollars for the same heater core.

O'Reilly had it for $34.xx(tax included).

Maybe the vendor ones are precise exact copies or something? I dunno, but thought I'd add that in here.

UPDATE 03/14/2012 : if any of you wander in here and need tips on replacing the blower motor with the same kind of setup... go here.
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Matraca - my 1965 Chevrolet C10 lwb step side

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Last edited by Woogeroo; 04-07-2012 at 09:43 PM.
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Old 02-22-2012, 02:39 AM   #9
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Re: antifreeze on the floorboard

Thanks for sharing. This is something I plan to don one it hats up around here.
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Old 02-24-2012, 10:26 PM   #10
X24
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Re: antifreeze on the floorboard

WHAT THE HECK!!!
The day after I read and replied to this post guess what started leaking on my floorboards? Yep heater core went out... ? Spooky!
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Old 04-07-2012, 09:44 PM   #11
Woogeroo
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Re: antifreeze on the floorboard

I just came across this tech article, I wish I'd found it sooner.

Burgie's heater box rebuild on his 1964 c60, with photos and more.

maybe it'll help some folks in the future.

-W

UPDATE : 01/29/2013


I added what photos I took from this adventure to my truck site here:

02/17/2012 : 28 pics – heater core unit re-assembly

If you are having heater issues, you should visit the 60-66 FAQ Index in the 1960-1966 Message Board and peruse the listed threads under Heaters in Section 2B.
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Find answers for your 1960-1966 Chevrolet Truck Questions.

Matraca - my 1965 Chevrolet C10 lwb step side

I am unable to reply to send/reply Private Messages since October 2014, so I am not ignoring anyone. Please visit my linked pages above if you wish to ask me anything... I am no longer welcome on the forum, it is a simple fact, nothing more. shadowbanned!

Last edited by Woogeroo; 12-01-2013 at 11:05 AM.
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