How to test factory heater? - Team Camaro Tech
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post #1 of 7 (permalink) Old Mar 28th, 18, 09:03 PM Thread Starter
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Joe
 
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How to test factory heater?

Hey everyone! I recently bought a 67 that’s super straight with very little rust and brand new paint job and interior. Other than that it needs everything; suspension, brakes, rear end, engine, etc.

I’m getting a parts list together and I’m kicking around what to do with the heater. I live in Southern California and the heater would be nice when I need to defrost the windshield but other than that I don’t absolutely have to have it. I’m planning to build this car so that I can drive it to work regularly (35 highway miles one way) and take it on the occasional road trip.

If everything works I’d like to keep it so the wife will be comfy on a road trip if it gets cold. If it doesn’t work I’d rather take it all out and bock the fire wall off. Right now I have the fenders and doors off.

My question is how can I test the heater core, and blower motor in the car? There isn’t a motor or battery in the car yet. Could I use a vaccume pump to test the core? How can I go about testing the blower motor?

Thanks guys!
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post #2 of 7 (permalink) Old Mar 29th, 18, 03:15 AM
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kevin
 
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Re: How to test factory heater?

if you have the car down that far you would be foolish not to remove the heater core and have it cleaned and checked by a radiator shop
the blower motor. touch the wire to a battery and ground the housing
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post #3 of 7 (permalink) Old Mar 29th, 18, 04:51 AM
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Re: How to test factory heater?

Why not use present controls for heater operation, if still together?
If not, follow Kevin's suggestions.
Heater core replacement is easy, about an hour's worth of work from the inside.
Maybe I should write an instruction sheet.
Finally, industry pressure standard for leak detection, radiator and core, is 50 PSIG.

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post #4 of 7 (permalink) Old Mar 29th, 18, 07:22 AM Thread Starter
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Joe
 
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Thanks guys! Good info. Any idea on the approx cost to have the core cleaned and tested? A new one is about 80 on summit.

Any thing else I should take a good look at on the heater system?
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post #5 of 7 (permalink) Old Mar 29th, 18, 08:10 AM
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kevin
 
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Re: How to test factory heater?

the repos WILL NOT FIT near as good as the original. trust me on this
I sent 2 back before I decided to fix my old one
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post #6 of 7 (permalink) Old Mar 29th, 18, 10:43 AM
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Larry
 
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Re: How to test factory heater?

In order to test the "heater" as a complete unit you will need to test it with the dash controls.

Fan has three speeds.

Directional controls to floor and windshield.

I just installed a factory heater from scratch in my 67.

You will pretty much need a battery or a charger.

Assuming the wiring is still intact ... Maybe you have a battery in another vehicle you could just swap over and hook to the cables, even though it may not be the right fit for the car. All you need is the 12v for long enough to test it out.

I've tested heater cores with a garden hose. Just need to fabricate a simple connection (I'm a guy with lots of those type parts hanging around) and then an exit hose that you can slow or stop the flow to create pressure in the core.

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post #7 of 7 (permalink) Old Mar 30th, 18, 09:24 AM Thread Starter
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Joe
 
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I’ll put 12v to is and see if all the controls work and everything.

I’ll also take that core out to have a loot at it and see how it looks. I will report back when I get a chance! Thanks again guys!
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