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Topic: Heater core hose hookup

in Forum: C3 Cooling and Heating Systems


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Heater core hose hookup (1/5)
 12/8/13 2:33am
Lee69vette
Former Member
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Springfield, NJ - USA

Vette(s):
1969 T-Top 350/350

Joined: 12/7/2013
Posts: 4

Just replaced my heater core in my 1969. There is no A/C.  Rookie mistake as I cant remember which hose go where. Does the hose from the water pump to the core go on the top or bottom pipe? Does it matter? I'm new to this forum. Any help would be great

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Lee
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Re: Heater core hose hookup (2/5)
 12/8/13 11:30am
Adams' AppleLifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 20128

The hoses, and core fittings should be different sizes...5/8", and 3/4", iirc. Is yours not like that?

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Joel Adams
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"

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Re: Heater core hose hookup (3/5)
 12/8/13 2:39pm
Lee69vette
Former Member
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Springfield, NJ - USA

Vette(s):
1969 T-Top 350/350

Joined: 12/7/2013
Posts: 4

Thanks Dave! Sometimes I overlook the obvious easy things. BTW Like the color on your vette

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Lee
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Re: Heater core hose hookup (4/5)
 12/8/13 2:39pm
Lee69vette
Former Member
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Springfield, NJ - USA

Vette(s):
1969 T-Top 350/350

Joined: 12/7/2013
Posts: 4

Sorry Adam

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Lee
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Re: Heater core hose hookup (5/5)
 4/15/16 7:25pm
Lane73
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Glen Ellyn, IL - USA

Vette(s):
1973 Corvette, Elkhart Green

Joined: 3/5/2016
Posts: 7

I'm getting ready to do my heater core on a 73. I assume they are pretty similar.  I say a video on youtube of a guy replacing it form the engine compartment and NOT having to get to taking apart the dash. What did you do?
Ted
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