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Heater core replacement

Forum: C4 HVAC, Fuel, Emissions, and Exhaust

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Heater core replacement

Posted: 1/22/11 1:15pmMessage 1 of 3
L
Lenny_WV
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Princeton, WV - USA
Joined: 9/29/2010
Posts: 17
Vette(s): A 1986 coupe currently with 60,000 miles, purchased in August of 2010. G44 - Rear axle 3.07 ratio, Z51 - Performance handling package, FE7 - High performance suspension, FG3 - Preloaded gas shock absorbers, to name a few.
Just wondering if anyone has an idea of how hard it is to replace the heater core in my '86.  I think it's on its last legs so its that time.  Is this a do it yourself project or something for a shop?  Any thoughts would be appreciated.

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Heater core replacement

Posted: 1/23/11 6:55amMessage 2 of 3
e
eddie20875
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Lanoka Harbor, NJ - USA
Joined: 12/21/2006
Posts: 2191
Vette(s): 1975 metallic blue coupe with t-tops,L48, t/t steering, black leather interior. 1990 L98, white/red leather interior, auto,a/c
https://www.c4vetteregistry.com/forum/forum_posts.asp?TID=64044&title=is-changing-the-heater-core-on-a-c4-really-that-bad
check this thread out lenny. goes into a lot of detail about changing the core. also look through all the other posts in the heating and cooling forum as i be lieve there are more posts about it. good luck.
LIFETIME MEMBER #97
THE DYNAMIC DUO

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Heater core replacement

Posted: 1/31/11 5:49pmMessage 3 of 3
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sfindlan
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Badin Lake, NC - USA
Joined: 4/21/2004
Posts: 127
Vette(s): 1979 Red L-48 Corvette with Doeskin interior, 3-speed automatic, 3.55 rear; 1986 L-98 Coupe, 4+3 Manual - Satin Black and Purple (SCCA TT/Hillclimb Car); 1993 White LT-1 Coupe, Black Interior, 6-speed
I did my 86 and it was a bit tough. I almost thought about pulling out the windshield to improve access! But my real problem was that the replacements I could find were not correct, so I suspect they changed the type/style at some point. Fortunately, I was able to read off the part number and cross reference it to a correct style at RockAuto.com. They shipped it to me and it fit fine.
 
Good luck
C3: 1979 Corvette Coupe, Auto, L-48, Red/Doeskin (my wife's fave);
C4s: 1986 C4 coupe (SCCA road race car), satin black, 4+3, Z51 package, L-98;  & 1993 C4 coupe, white, 6-speed, LT-1.
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in Forum: C4 HVAC, Fuel, Emissions, and Exhaust


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