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73-87chevytrucks.com
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Replaced my heater core!
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Topic: Replaced my heater core! (Read 3608 times)
1979C20
Senior Member
Posts: 1659
Kyle Taulton.
Replaced my heater core!
«
on:
December 31, 2012, 05:15:51 PM »
Took me 9 hours because i kept running into problems. Just so everyone know,.on some heater boxes the back panel is on piece of plastic and you have to pull one of the hinge pins out and unbolt the vacuum actuator for the feet/top vent in order to pull the back panel. But it feela aooooo good to have heat again. Does anybody have a source for blend door parts?
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1979 SCLB C20 Q-jet 350 SM465 14b F.F. 4.10 G80
1989 GMC Suburban V2500 TBI350 TH400 4in lift 35's 14b SF
burbboysgc
Newbie
Posts: 66
Re: Replaced my heater core!
«
Reply #1 on:
January 02, 2013, 01:13:20 PM »
I need to do mine. It has a/c. I've heard factory a/c heater core replacement is really a p.i.t.a.
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1987 C20 3/4 suburban 454 tbi th 400/2wd - 1985 C10 short bed 305/350 turbo 2wd
1979 swb Custom Deluxe 2wd roller
Captkaos
OWNER and Administrator
Administrator
Senior Member
Posts: 18385
Re: Replaced my heater core!
«
Reply #2 on:
January 02, 2013, 03:56:39 PM »
They are entertaining, but not too bad. In comparison to an S series they are a cake walk.
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Chris Lucas
73-87chevytrucks
captkaoscustoms
squarebody
454Man
Senior Member
Posts: 1027
Why Race?
Re: Replaced my heater core!
«
Reply #3 on:
January 02, 2013, 10:08:38 PM »
I replace mine two Weeks ago, but I took the easy route and cut the box. 1-1/2 hrs...
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ehjorten
Senior Member
Posts: 1205
Re: Replaced my heater core!
«
Reply #4 on:
January 03, 2013, 08:45:00 AM »
I guess I am not understanding...I have done this on both of my 3rd gen trucks (which both have factory A/C) and it was pretty simple.
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-Erik-
1991 V3500 - Gen V TBI 454, 4L80E, NP205, 14 bolt FF, D60, 8" Lift on 35s
1977 K20 Silverado - 350, THM350, NP203, 14 bolt FF, D44, Stock Lift on 31s
1969 Chevelle Malibu Sport Coupe - EFI350, THM350
1968 Chevrolet Step-side Pickup - 300HP L6
Captkaos
OWNER and Administrator
Administrator
Senior Member
Posts: 18385
Re: Replaced my heater core!
«
Reply #5 on:
January 03, 2013, 12:24:21 PM »
They are pretty simple, but if you have never done one on anything it can seem like a pain, until you do something that is really difficult.
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Chris Lucas
73-87chevytrucks
captkaoscustoms
squarebody
ehjorten
Senior Member
Posts: 1205
Re: Replaced my heater core!
«
Reply #6 on:
January 03, 2013, 01:46:32 PM »
I always pull the wheel-well. After trying to not do it, I found it is just so much more easy to access those couple of nuts that are down low on the firewall.
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-Erik-
1991 V3500 - Gen V TBI 454, 4L80E, NP205, 14 bolt FF, D60, 8" Lift on 35s
1977 K20 Silverado - 350, THM350, NP203, 14 bolt FF, D44, Stock Lift on 31s
1969 Chevelle Malibu Sport Coupe - EFI350, THM350
1968 Chevrolet Step-side Pickup - 300HP L6
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73-87chevytrucks.com
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73-87 Chevy _ GMC Trucks
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Heating, Ventilation & Air Conditioning (HVAC)
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Replaced my heater core!