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Old 06-24-2011, 05:49 AM   #1
Hazieview
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Has anyone ever plugged their heater hose line on purpose?

Hey guys I was wondering if you all think it would be a bad idea remove my heater hoses and plug the ends.

I will not be using the heater or defrost at all. I have another vehicle for winter. In fact I plan on gutting all the AC and heater components until I get a chance to get one of those fancy vintage air kits.

Does anyone see a problem with removing the heater hoses all together?

Thanks!
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Last edited by Hazieview; 06-24-2011 at 05:53 AM.
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Old 06-24-2011, 06:17 AM   #2
tucsonjwt
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Re: Has anyone ever plugged their heater hose line on purpose?

I have only heard of looping the hoses together at the firewall, or installing a ball valve to shut off the flow if coolant to the heater. It has been done on trucks without A/C in the desert in the past - cuts down on the flow of hot coolant into the cab heater.

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Old 06-24-2011, 06:30 AM   #3
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Re: Has anyone ever plugged their heater hose line on purpose?

I've done it when my heater core was leaking.
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Old 06-24-2011, 06:52 AM   #4
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Re: Has anyone ever plugged their heater hose line on purpose?

sure i've bypassed when leakin
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Old 06-24-2011, 09:42 AM   #5
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Re: Has anyone ever plugged their heater hose line on purpose?

It won't hurt anything on an older chevy. We did it on our hot rods all the time.
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Old 06-24-2011, 10:10 AM   #6
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Re: Has anyone ever plugged their heater hose line on purpose?

Mine is plugged currently.
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Old 06-24-2011, 03:22 PM   #7
Hazieview
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Re: Has anyone ever plugged their heater hose line on purpose?

Thanks guys. I just didn't want to risk cavitating my pump or something. Any idea what size plug it is off hand? If not no big deal I'll just measure it.
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Old 06-24-2011, 03:29 PM   #8
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Re: Has anyone ever plugged their heater hose line on purpose?

Seems like they are 3/4 or 5/8 pipe plugs.
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Old 06-24-2011, 10:31 PM   #9
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Re: Has anyone ever plugged their heater hose line on purpose?

Quote:
Originally Posted by tucsonjwt View Post
I have only heard of looping the hoses together at the firewall, or installing a ball valve to shut off the flow if coolant to the heater. It has been done on trucks without A/C in the desert in the past - cuts down on the flow of hot coolant into the cab heater.
Yea that's the only way I have heard of doing it. I guess it wouldn't hurt nothing to just plug it up either.
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Old 06-24-2011, 10:53 PM   #10
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Re: Has anyone ever plugged their heater hose line on purpose?

1/2 NPT plugs.
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Old 06-24-2011, 11:00 PM   #11
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Re: Has anyone ever plugged their heater hose line on purpose?

Common practice when I was younger.
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Old 06-25-2011, 05:35 PM   #12
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Re: Has anyone ever plugged their heater hose line on purpose?

Buy a hose or connection and loop the system then you can plug the heater
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Old 06-25-2011, 05:38 PM   #13
Lafnbowtie
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Re: Has anyone ever plugged their heater hose line on purpose?

Quote:
Originally Posted by rayfinseats View Post
It won't hurt anything on an older chevy. We did it on our hot rods all the time.
X2,
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Old 06-25-2011, 06:21 PM   #14
ppbr2001
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Re: Has anyone ever plugged their heater hose line on purpose?

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I've done it when my heater core was leaking.
Actually I didn't plug them. I connected them with a short piece of copper tubing and 2 clamps. This was on my old '67.
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Old 06-25-2011, 06:56 PM   #15
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Re: Has anyone ever plugged their heater hose line on purpose?

Ive had no problems, I gutted my whole a/c and heater system...completely removed it and my truck still runs like a champ.
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