Topic: Replacing Heater Core
in Forum: C3 Cooling and Heating Systems
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Former Member
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moro, IL - USA
Joined: 2/11/2002
Posts: 406
Vette(s): 1979 Black coupe. 11256 original, documented, miles on it when I bought it in April of 2000. It now has 13100 on it. Oyster interior, like new. Everything original, everything works, except the clock. Paint has a couple of minor flaws.
Corvettes are really fun to work on aren't they? I had to remove part of the dash on drivers side to try to fix an ignition switch. What a son-of-a-gun to get under to see. Finally just removed the seat. Much better for a fat guy!!
Glad to hear you got the heater working. A lot of guys just seal it off and don't use a heater...
|QUOTE|sparkman said: I just got through replacing my heater core. I am restoring the whole a/c / heater system so I thought I'd better replace the core while I'm at it.
You do have to remove the passenger dash. I also removed the console and instrument bezel. You will also have to remove the evaporator housing. I suggest disconnecting the heater hoses and blowing out the antifreeze in the heater core.
I bought the heater seal kit. It has ever seal you'll need plus some. I took out all of the ducting and detailed it all.
Since I had it all out, I also replaced the vacuum hoses, a/c control panel, and a/c wiring. The original wiring was a real mess. Got mine from Lectrid Ltd. The hoses were ok, but didn't look good with all the other new parts. The complete hose kit was not that much.
It is a real pain to do but well worth the effort.
|/QUOTE|
Glad to hear you got the heater working. A lot of guys just seal it off and don't use a heater...
|QUOTE|sparkman said: I just got through replacing my heater core. I am restoring the whole a/c / heater system so I thought I'd better replace the core while I'm at it.
You do have to remove the passenger dash. I also removed the console and instrument bezel. You will also have to remove the evaporator housing. I suggest disconnecting the heater hoses and blowing out the antifreeze in the heater core.
I bought the heater seal kit. It has ever seal you'll need plus some. I took out all of the ducting and detailed it all.
Since I had it all out, I also replaced the vacuum hoses, a/c control panel, and a/c wiring. The original wiring was a real mess. Got mine from Lectrid Ltd. The hoses were ok, but didn't look good with all the other new parts. The complete hose kit was not that much.
It is a real pain to do but well worth the effort.
|/QUOTE||IMG|http://www.c3vr.com/member_uploads/601_700/616/blk79.jpg |/IMG|
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Former Member
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Annapolis, MD - USA
Joined: 11/7/2001
Posts: 225
Vette(s): 1965 white with red stinger Coupe HotRod
1970 Bridgehampton Blue Convertible - NCRS / Stock
2019 Sebring Orange Coupe 3LT
Gone but not forgotten:
1987 Yellow Convertible
2003 Yellow Convertible
2007 Atomic Orange Coupe
2007 Lemans Blue coupe
Here are a series of photos of what's required for a heater core replacement in a 1970 Corvette with AC (My car - Tony's Corvette Shop did the replacement).
http://www.corvetteforum.net/c3/juliet/heatercore/HeatCore_orig.htm
http://www.corvetteforum.net/c3/juliet/heatercore/HeatCore_orig.htm
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Former Member
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DOWNINGTOWN, PA - USA
Joined: 11/24/2001
Posts: 962
Vette(s): 1969 Monza Red Black Conv / Black Vinal hardtop
454/480 Tremec 5 Speed 308 Posi.Black Leather Interior, PS, PW, Air cond., tilt/tele,AM/FM Cass.-5 Pack CD, Hurst Shifter, side pipes
2004 Yellow convertible with black top and black interior
Nice set of pics on the core removal !
in Forum: C3 Cooling and Heating Systems
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