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05-27-2012, 09:06 AM
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#1 |
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Registered User
Join Date: May 2012
Location: chepachet, rhode island
Posts: 26
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Heater Core Help!
so it seems whoever owned the truck before me disconnected the heater core. i'm guessing it was leaking so i plan on pulling it out and replacing it. not so much of a rush right now being summer. just not sure how to reconnect the lines. included a few pics. any help would be appreciated. thanks again.
__________________ 2011 camaro 1987 r10 p/u 1989 scottsdale stepside |
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05-27-2012, 10:09 AM
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#2 |
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Registered User
Join Date: Jan 2010
Location: Roanoke, Tx.
Posts: 1,561
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Re: Heater Core Help!
It should be easy. I think one hose is bigger then the other one. Just hook them up.
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05-27-2012, 10:11 AM
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#3 |
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Registered User
Join Date: Jun 2011
Location: Baytown TX
Posts: 2,219
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Re: Heater Core Help!
It's fairly easy, one line is 3/4 and one is 5/8. Just disconnect where the two hoses are joined and connect the 3/4in hose to the large port on the heater core then the 5/8in line to the smaller port.
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John 82 Chevy Silverado 350ci/TH350 
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05-27-2012, 10:16 AM
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#4 |
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Registered User
Join Date: Aug 2009
Location: S.C.
Posts: 1,593
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Re: Heater Core Help!
ditto,
On mine the larger goes from the HC to the rad (return) smaller from the intake to the HC. No pics on dial-up sorry.
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'86 C-30 dually, 454/tbh400 '73 K-20 350/350/205 (sold  )I'm kinda like duct tape- no real purpose, but handy to have around. |
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05-27-2012, 10:37 AM
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#5 |
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Registered User
Join Date: Aug 2009
Location: Toronto, Ontario
Posts: 111
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Re: Heater Core Help!
I have the same problem, my heater exploded last week. I'm just going to bypass it for now. Is there an adapter I can use to plug the 5/8 hose into the 3/4 hose, what is the best way to quick fix this for now. I'm working on other issues right now at since it 80 degrees outside the heater core gets low priority.
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05-27-2012, 10:41 AM
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#6 | |
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Registered User
Join Date: Jun 2011
Location: Baytown TX
Posts: 2,219
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Re: Heater Core Help!
Quote:
Posted via Mobile Device
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John 82 Chevy Silverado 350ci/TH350
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05-27-2012, 01:55 PM
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#7 |
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Registered User
Join Date: Jul 2007
Location: Tucson, AZ
Posts: 3,189
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Re: Heater Core Help!
When you buy a replacement heater core be sure to get a copper core. I would even check out an OEM GM heater core on the online OEM vendors to see if their price is not much more than the aftermarket parts store price. I think the quality of aftermarket radiator and heater cores has gone down in recent years, even for copper parts.
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05-27-2012, 02:03 PM
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#8 |
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Registered User
Join Date: May 2012
Location: chepachet, rhode island
Posts: 26
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Re: Heater Core Help!
thanks for all the input. will take care of when i get the chance. other projects going on now. attempting my first center console build, we will see how that works out...
__________________ 2011 camaro 1987 r10 p/u 1989 scottsdale stepside |
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