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1/9/19 12:09pm - Original Message: 'heater core'
legsdiamond
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St. Louis, MO - USA

Vette(s):
Red 1986 Corvette convertible

Joined: 6/28/2016
Posts: 12
I have a 1986 Convertible Corvette with a bad smell in the interior. I believe it maybe antifreeze...heater core maybe.  Is the heater core difficult to replace and is there a video some where on how to replace it?

Thanks


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1/23/19 1:06pm - Reply: 'Re: heater core'
Barn find
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Lakeville, MA - USA

Vette(s):
1987 convertible

Joined: 4/19/2014
Posts: 13
God help you. Remove the passenger seat (makes a living hell a little easier) remove the under dash cover, the computer, if I remember correctly I had to remove the bread box, remove heater ducts, a heater control cable, and I believe parts of the heater box. You will need to put your hands on blocks of ice to shrink them to accomplish the task. I believe I and to use tape in sockets to hold hex head screws in place while I slide the extensions into dark recesses. IT is doable but a bitch.
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1/24/19 3:46pm - Reply: 'Re: heater core'
Hot Rod Roy
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Mission Viejo, CA - USA

Vette(s):
Yellow '84 Coupe

Joined: 3/18/2015
Posts: 70
Check out this post:

http://garage.grumpysperformance.com/index.php?threads/c4-heater-core-replacement.11011/

One of the challenges is access to the top bolt of the tubular brace that needs to come out.   I used my 13 mm box/end wrench, with my 1/2" extension on my 1/2" ratchet to get at the 13 mm hex bolt, like this:



|UPDATED|1/24/2019 12:46:10 PM (AZT)|/UPDATED|


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2/6/19 3:21pm - Reply: 'Re: heater core'
Barn find
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Lakeville, MA - USA

Vette(s):
1987 convertible

Joined: 4/19/2014
Posts: 13
GOOD IDEA!
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2/21/19 2:59pm - Reply: 'Re: heater core'
legsdiamond
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St. Louis, MO - USA

Vette(s):
Red 1986 Corvette convertible

Joined: 6/28/2016
Posts: 12
Sounds like this will be a monster job to do. I guess the shop will charge you an arm and a leg to do. So I just plan on this being a long excruciating project to do. Thanks I appreciate any advice!

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2/21/19 3:01pm - Reply: 'Re: heater core'
legsdiamond
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St. Louis, MO - USA

Vette(s):
Red 1986 Corvette convertible

Joined: 6/28/2016
Posts: 12
Not happy about doing this. But...as you said it is doable. Thanks for the heads up!

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2/24/19 11:40am - Reply: 'Re: heater core'
aldocar
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Westfield, MA - USA

Vette(s):
1988 Red Convertible just purchased on Nov 2016.

Joined: 12/3/2016
Posts: 65
Just reading about this job makes me shutter but I do not have the talent to repair much on my car.  I was wondering can the entire heating core be eliminated and run the car by passing the input and out put to the core. I realize this shows my lack of technical knowledge but would this work just curious?  

I did manage to remove door panels and replace the top panels they look great and I did not screw up anything!!!     Take care.


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2/24/19 1:47pm - Reply: 'Re: heater core'
Strats-N-Vettes
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Atchafalaya Basin, LA - USA

Vette(s):
Black 1979 L-82 Black 1996 LT1 Black 1999 Coupe

Joined: 3/20/2009
Posts: 496
aldocar said:
Just reading about this job makes me shutter but I do not have the talent to repair much on my car.  I was wondering can the entire heating core be eliminated and run the car by passing the input and out put to the core. I realize this shows my lack of technical knowledge but would this work just curious?  

I did manage to remove door panels and replace the top panels they look great and I did not screw up anything!!!     Take care.



People have by-passed heater cores forever.
Question is; can you live without the heating features.


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 Forums -> C4 Cooling and Heating Systems
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