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1982 c3 heater/ac air control switch assembly

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Old May 4, 2018 | 10:01 AM
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Default 1982 c3 heater/ac air control switch assembly

i think my switch is bad sometimes i can get the slide to kick on ac and the when your driving kicks on and off very sensitive , so i got a new switch assembly and want to know how to get old switch out and new one in, also should i check anything else before replacing the assembly, i have looked every where for a video on how to replace cant find anything, tried google and you tube i am not a mechanic, and first corvette am i better off taking to a shop rather than trying to replace myself thanks
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Old May 4, 2018 | 11:09 AM
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I would start with buying a copy of the GM shop manual for your car.
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Old May 4, 2018 | 12:02 PM
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Originally Posted by Big2Bird
I would start with buying a copy of the GM shop manual for your car.
X2 There is a ton of good information in the GM service manual. You can find them on eBay or at Helms.com.
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Old May 4, 2018 | 12:06 PM
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https://www.corvetteforum.com/forums...-assembly.html
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Old May 4, 2018 | 12:10 PM
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Originally Posted by ceh_69
i think my switch is bad sometimes i can get the slide to kick on ac and the when your driving kicks on and off very sensitive , so i got a new switch assembly and want to know how to get old switch out and new one in, also should i check anything else before replacing the assembly, i have looked every where for a video on how to replace cant find anything, tried google and you tube i am not a mechanic, and first corvette am i better off taking to a shop rather than trying to replace myself thanks

Which switch are you talking about?

The fan speed switch, AC control head vacuum switch. AC clutch cycling switch?

Craig

If it's the control head vacuum switch it's best to pull the gauge panel (six screws) to be able to get to it. You could pull the transmission tunnel side panel and try to change it also. More of a hassle though.

Last edited by Street Rat; May 4, 2018 at 12:15 PM.
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Old May 4, 2018 | 12:30 PM
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Originally Posted by Street Rat
Which switch are you talking about?

The fan speed switch, AC control head vacuum switch. AC clutch cycling switch?

Craig

If it's the control head vacuum switch it's best to pull the gauge panel (six screws) to be able to get to it. You could pull the transmission tunnel side panel and try to change it also. More of a hassle though.

all i know is the fan doesnt blow when i set to high or any position the levers to set to max air does nothing, i tried checking the fuse box the original book that came with car says in glove box behind where marked fuse box well says nothing in the glove compartment all the glove box as is things for cassettes i guess you have to pull the glove box off . these manuals i have bought for other cars most of them worthless dont show you how to repair or remove. all i know i bought a 1982 c3 corvette heater/ac air control switch looks like it as everything in it face plate the slide controls and the fan hi to low got it off ebay $108 but cant find anything on computer to show me how to get it out. have know idea what the other stuff your talking about like control head vacum switch i guess your talking about all the gauges like oil pressure , gas , temp, ect
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Old May 4, 2018 | 12:32 PM
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[QUOTE=Big2Bird;1597131807]I would start with buying a copy of the GM shop manual for your car.[/QUOT


thanks bought repair manual they on the most part dont show how to repair and the pictures are so dark you cant see anything mostly worthless i found to be for $20 and more
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Old May 4, 2018 | 12:34 PM
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Originally Posted by Buccaneer
X2 There is a ton of good information in the GM service manual. You can find them on eBay or at Helms.com.

thanks but i find most of these books worthless and pay to much and really dont tell you how to repair and most of the time pictures so dark you cant tell what your looking at
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Old May 4, 2018 | 01:12 PM
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Originally Posted by ceh_69
thanks but i find most of these books worthless and pay to much and really dont tell you how to repair and most of the time pictures so dark you cant tell what your looking at
The AIM is a must have manual.

I can get a photo to you possibly if you pm me your email address.

I have an '81 which is basically the same control head.

I'll see what I can find in the interim.
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Old May 4, 2018 | 02:36 PM
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Originally Posted by ceh_69
thanks but i find most of these books worthless and pay to much and really dont tell you how to repair and most of the time pictures so dark you cant tell what your looking at

OK, but it is a 82 CFI motor. So, unless you know a lot about that system, it would be wise to get a GM manual for a 36 year old car, jus sayin'.

Do not waste your money on the other manuals like Chilton etc... The 82 corvette assembly manual (AIM) is another excellent manual to have for assembly etc...

The head control unit is the one with the hot/cold lever, heat/AC etc... It has a vacuum rotating switch which is pretty much a POS IMO, bad design for what it does. The blower switch is the single switch that controls the fan for cooling/AC high to low on the left side on the console panel. Changing either one of those switches IMO is a PITA, I've done it several times on my 82 over the years.

It could also be the fan/blower is dead as well which again is a PITA to replace, it's buried down on the passengers side by fender and firewall. OR you could luck out and it's only the blower high side relay mounted on the firewall on passengers side. Easy to check and replace as well.

Last edited by Buccaneer; May 4, 2018 at 02:39 PM.
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Old May 4, 2018 | 03:48 PM
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Originally Posted by Street Rat
The AIM is a must have manual.

I can get a photo to you possibly if you pm me your email address.

I have an '81 which is basically the same control head.

I'll see what I can find in the interim.

ok thanks seems like it could be almost anything lot to check could be blower motors the fan switch , vacuum, you can send to ceh_69@yahoo.com thanks
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Old May 6, 2018 | 05:34 PM
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Originally Posted by Street Rat
The AIM is a must have manual.

I can get a photo to you possibly if you pm me your email address.

I have an '81 which is basically the same control head.

I'll see what I can find in the interim.
i just tried to write you under your name thanks craig
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