Installing Factory Heater ... from dead scratch - Team Camaro Tech
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post #1 of 67 (permalink) Old Aug 18th, 17, 07:54 AM Thread Starter
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Installing Factory Heater ... from dead scratch

This project is on the horizon and it's time for me to start getting smarter.


History: We purchased this car back in about 1998 and it had a Vintage Air A/C unit in it. It would never hold a charge and the case leaked condensation on the floor. This car was never a factory A/C car and I have decided to return to just a factory heater. I know, I live in the Mojave Desert and this sounds certifiably crazy, but that's what I am doing.

This also plays into another goal with this car which is to make it fool proof. Less things to ever go bad or wrong. A basic principle of the project is *Simplicity*.

OK, enough of that.

Everything from the old Vintage Air unit is gone. All I have is a big hole in the firewall (covered with a makeshift plate) and the dash controls and cables for a heater.

I will soon be pulling the front fenders off the car and of course the engine compartment portion of this heater has to be installed while the P/S fender is off (blower assembly).

I also will be surprised if I don't have to do some sheet metal work around this hole, I don't know how much more of it is cut out beyond the factory opening.

I'll be hoping for advice from anyone that has done this *from scratch* installation before.

First question is: Does it make sense to just do the engine compartment portion? ... leaving the under dash installation for later when I rewire the dash? This would just be a cash flow management decision. Or would it be a much wiser choice to just do the entire install at once?

Past experience does tell me doing it all at once would have some advantages, namely the ability to be more certain something on the outside doesn't get installed slightly out of position making the interior install more difficult. Keeping in mind that the hole in the firewall is quite likely not perfect right now.

Any advice before I start? Are there any small parts of aspects of this install that might be easily forgotten of missed making things difficult later? Are the aftermarket parts for this of good quality and fit?

I have a parts list done. It's about $800.00 in parts. (Classic Industries)

Inner heater Case C2478
Heater Box Assembly AL304
Lower heater Deflector F12328
Defrost Vent Assembly 3925711
Heater Blower Motor E235
Blower Motor Fan 19953
Blower Motor Screws 1253551
Heater Box Seal Set K932
Heater Core 3011154
Heater Core Tube Seal 906095
Core Tube Seal Retainer T54315
Heater Core Mount Clip A9600106

Any comments or advice appreciated.

I can't complain, but sometimes I still do.

Last edited by Larry Madsen; Aug 18th, 17 at 08:06 AM.
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post #2 of 67 (permalink) Old Aug 18th, 17, 08:07 AM
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Re: Installing Factory Heater ... from dead scratch

I'll be pulling s complete heater assembly 100% out of a 69 I'm buying. All the ductwork, case, core, blower everything.

The car is a just completed restoration and it all worked perfect.

Let me know if you want it. We are both here in Vegas and easy to make a deal
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post #3 of 67 (permalink) Old Aug 18th, 17, 08:14 AM Thread Starter
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Re: Installing Factory Heater ... from dead scratch

Quote:
Originally Posted by Vega$69 View Post
I'll be pulling s complete heater assembly 100% out of a 69 I'm buying. All the ductwork, case, core, blower everything.

The car is a just completed restoration and it all worked perfect.

Let me know if you want it. We are both here in Vegas and easy to make a deal
I'd be interested in talking about that.


Heck, maybe I could help you pull it and learn what's what, that would be very educational and helpful on a re-install ... I presume 69 is an identical fit to the 67?

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post #4 of 67 (permalink) Old Aug 18th, 17, 08:14 AM
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Re: Installing Factory Heater ... from dead scratch

On your parts list you didn't mention the heater control. If yours was converted for the VA Gen IV you will have to convert it back. Will also need all the control cables and new heater hoses.
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post #5 of 67 (permalink) Old Aug 18th, 17, 08:15 AM
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Re: Installing Factory Heater ... from dead scratch

Same except for the control panel.
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post #6 of 67 (permalink) Old Aug 18th, 17, 08:18 AM Thread Starter
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Re: Installing Factory Heater ... from dead scratch

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Originally Posted by Vega$69 View Post
Same except for the control panel
Very good, as noted I have the correct control panel.

I notice in the catalog here most of these parts are universal from 67 up into the 80s ... even 90 on a few things.

I'm serious about helping pull it, I'm sure it would be a very helpful experience when I get to putting it in my car.

Side note: I am self employed, so I make my schedule any way I please as long as I know when I need to be available.

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post #7 of 67 (permalink) Old Aug 18th, 17, 08:24 AM
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Re: Installing Factory Heater ... from dead scratch

Has your panel been converted to electric sliders for the VA system?
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post #8 of 67 (permalink) Old Aug 18th, 17, 08:25 AM
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Re: Installing Factory Heater ... from dead scratch

Being you bought the car in 98 probably not VS Gen IV
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post #9 of 67 (permalink) Old Aug 18th, 17, 08:29 AM Thread Starter
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Re: Installing Factory Heater ... from dead scratch

Not certain. I could take a PIC of it later today for you to see what I have.

As I recall it has a switch and some cables

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post #10 of 67 (permalink) Old Aug 18th, 17, 08:31 AM
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Re: Installing Factory Heater ... from dead scratch

If it has cables it has not been converted
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post #11 of 67 (permalink) Old Aug 18th, 17, 08:41 AM Thread Starter
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Re: Installing Factory Heater ... from dead scratch

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Originally Posted by Vega$69 View Post
If it has cables it has not been converted
I just pulled it from the storage heap ... just two cables and a switch ... three horizontal levers out front ... that 's it.

I assume then we are talking about a direct install unit, no modifications necessary?

I got a bit confused with the VA, VS and Gen IV terminology there

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post #12 of 67 (permalink) Old Aug 18th, 17, 09:04 AM
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Re: Installing Factory Heater ... from dead scratch

VA Vintage Air Gen II was/is cable controlled. Gen IV converts the factory control unit to electronically controlled.

Original control has 3 cables

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post #13 of 67 (permalink) Old Aug 18th, 17, 11:44 AM Thread Starter
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Re: Installing Factory Heater ... from dead scratch

Mine has only two cables, but I can see the mounting points for a third.

A third cable would attach to the same arm controlling the electric switch.

Am I missing a cable?

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post #14 of 67 (permalink) Old Aug 18th, 17, 12:57 PM
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Re: Installing Factory Heater ... from dead scratch

if you only have 2 cables you're missing one. I'm not sure but you may be able to use one of the cables off my 69 control
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post #15 of 67 (permalink) Old Aug 18th, 17, 01:22 PM Thread Starter
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Re: Installing Factory Heater ... from dead scratch

That must mean the top lever controls the electricity for the fan (via the switch) and something else via the cable?

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