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Old 11-05-2008, 09:33 PM   #1
chev-obsession
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heater core went out

i popped the hood today to tighten up myexhaust manifold bolts, and i noticed that the heater core was dripping, then anti freeze started pouring out. so i've got to get a new one. what all will i have to do to get it out?
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Old 11-05-2008, 09:48 PM   #2
sameyrasmea72
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Re: heater core went out

Yikes!!! Have fun. Someone should be able to post a link on how to do it. I would take out the inner fender if it were me. It not that difficult to remove the inner fender with the wheel off and you can clean around the battery tray and fender cup while you're at it.
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Old 11-05-2008, 09:53 PM   #3
dave2953
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Re: heater core went out

When I did mine I dropped the fender well out of the way. I didn't take it all the way out, just took the bolts out to drop it down a bit. Seems like I took the pass. side hinge loose too, but I can't remember. As stated above, one of these guys will know it 100%. It wasn't too much of a skank; just takes some time.
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Old 11-05-2008, 11:21 PM   #4
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Re: heater core went out

the fenderwell and hinge are the hard part. Then you just remove the bolts holding the heater box onto the firewall, there's a cable that can be a total bear to remove.
If it is a real nice truck, you'll wanna get a heater box gasket and blower motor gasket too.
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Old 11-06-2008, 03:07 PM   #5
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Re: heater core went out

all right i will give it a try, thanks for the help.
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Old 11-06-2008, 03:13 PM   #6
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Re: heater core went out

You mentioned under the hood so we are all assuming its a non-AC truck. If A/C, your heater core is on the inside of the cab, and removal does not require messing with the fender well.
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Old 11-06-2008, 04:32 PM   #7
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Re: heater core went out

Here is an old step by step how to post by jewels:
http://67-72chevytrucks.com/vboard/s...ht=heater+core
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Old 11-06-2008, 04:36 PM   #8
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Re: heater core went out

You will want to reseal the heater box to the firewall.the removal of the cable is easy if you look under the dash you will see a small plastic plug with the cable run through it.Pop the plug out with a small screwdriver and you can get a finger in there and lift the cable off the pin it fits on.Reassembly is the same.
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Old 11-06-2008, 09:51 PM   #9
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Re: heater core went out

interesting... I never thought of doin the cable from inside
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Old 11-07-2008, 12:33 AM   #10
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Re: heater core went out

That's great to know - I'm gonna have to do mine soon, and that will probably save me a little time thanks!
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Old 11-07-2008, 03:00 PM   #11
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Re: heater core went out

all righty i am going down to baxters today to get the heater core today sometime and am going to put it in tommorow. thanks for the help!
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Old 11-08-2008, 07:41 AM   #12
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Re: heater core went out

Actually I can't take credit for that one LHM.I read it in a post on here.I don't remember where though.
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Barrett-Jackson has perfected alchemy,they make rust into gold!
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"Cleverly disguised as a 'Responsible Adult'
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Old 11-08-2008, 08:21 PM   #13
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Re: heater core went out

I never drop the wheel well, the stupid clip nuts always snap, and I HATE fighting them. It's been a long time since doing one, but somehow I manage to get the bottom housing bolts with a 1/4" drive u joint on a long extension.
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Old 11-13-2008, 11:07 PM   #14
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Re: heater core went out

well i got the new one in and out. it all went smoothly, thanks to your guys advice!
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