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Heating and Air-conditioning in a UC

Started by _TheRon_ , Feb 25 2013 11:09 AM

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6 replies to this topic

#1 _TheRon_

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Posted 25 February 2013 - 11:09 AM

As we're now heading more and more towards Autumn and Winter I've been starting to think about heating and cooling.

Going back about 6 months I rebuilt the bottom end of my red 202, cleaning everything out, new lifters, new cam shaft etc.etc. When I was putting it all back together I noticed my fan belt was quite worn and thought I should replace this soon... Completely forgetting about it, I was driving down the Bruce Highway with the heater on, as it was a chilly morning, and my fan belt gave way and snapped... With all the pressure building up, it had to go somewhere. Next thing, I'm coming down the hill near the Maroochydore turn off and water explodes out from the radiator hose and my heater core. I pull over.
I check under the bonnet and sure enough, a radiator hose had blown off. Not to mention the 2L of water which poured into the front seat. My brother just happens to be driving past and gives me water while I'm disconnecting to heater. We then drive into Maroochydore to get a fan belt. All is well for the rest of the day.

So here I am now, still no heater, considering I don't use it in Summer anyway I thought I'd just wait.

My questions are;

I know there's a bit of hours involved just to get to the heater core. Can anyone give me some tips?
Should I buy a new core is there's no major damage, or just repair the heater core?

I also have an air-conditioner sitting at my parents place which came with the 202 when I got it off my uncle. How much work is involved in setting it up?
My car wasn't built for air-con.

We've all battled fog before on a cold morning/night or a wet day, and I'm kind of over it considering this is my only car.

Thanks.

Edited by TheRon, 25 February 2013 - 11:10 AM.

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#2 _slaaar_

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Posted 28 February 2013 - 10:35 AM

My questions are;

I know there's a bit of hours involved just to get to the heater core. Can anyone give me some tips?
Should I buy a new core is there's no major damage, or just repair the heater core?

I also have an air-conditioner sitting at my parents place which came with the 202 when I got it off my uncle. How much work is involved in setting it up?
My car wasn't built for air-con.

Hi Aaron, Not sure about the UC but the LH heater assembly isn't too tricky to remove. The six nuts and bolts on the firewall are the main anchor points. You access some from inside.Working under the dash you might need to remove the cables for controlling the vent directions, otherwise you will have to do the rest of the work in the car.The big demist hoses just ease out. The unit then splits in half from a set of clips. You really only need to remove the rear clips to get the heater core out. The LH unit looks like this.

There are a lot of bits needed to convert to A/C. If your uncles box of bits includes:

1. Compressor (big heavy cylinder shaped thing that goes on the engine)

2. Condensor (radiator type thing that mounts in front of radiator)

3. Dryer (small cylinder usually on condensor)

4. Tx Valve (Thermal Valve) and connecting pipes

3. Evaporator (looks like a heater core but bigger), and

4. Internal control panel.

You might be in business, especially if it was already on the car you might already have a lot of it in place.

Otherwise, the aftermarket choices probably do away with your old heater assembly and replace them with new bits. Vintage Air and Hurricane are two companies that specialise in A/C. Most include a heater core and cooling evaporator in the same unit. From all accounts they work well.

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#3 _TheRon_

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Posted 28 February 2013 - 09:12 PM

Thanks for the tips Brett,

Disassembling this weekend, I'll post pictures.

As for the air conditioner, I think it's just the compressor... The motor was off an LH and that's all that came with it.

I'll have a look at Vintage Air and Hurricane and see what they've got.

Thanks a heap!

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#4 _TheRon_

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Posted 02 March 2013 - 03:20 PM

Unfortunately after an hour or so of taking the center dash out, the weather decided to pour down with rain. Postponing until next week or next weekend...

On the bright side I replaced some dash lights which had blown.

Also, it's an identical setup to the LH you posted earlier.

Edited by TheRon, 02 March 2013 - 03:21 PM.

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#5 _TheRon_

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Posted 06 March 2013 - 01:06 PM

http://farm9.staticf...b92c595a5_k.jpg

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#6 _TheRon_

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Posted 06 March 2013 - 01:09 PM

http://farm9.staticf...27e6486fa_z.jpg

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#7 Torana_Boy

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157 posts

Name:Danyon Michalkowski
Location:Hobart, Tasmania
Car:UC torana
Joined: 22-October 09

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Posted 15 March 2013 - 01:32 PM

Removing the core is easy.

Remove the center consoles and the radio/heater panel. There's 6? Nuts on the dowels in the engine bay behind the rocker cover that go through the firewall and fan box.
Disconnect the cable controls and vents and I'm pretty sure it'll fall out with a bit of wiggling (did it a while ago so can't remember it there was anything else)

Stripping down the heater box isn't that hard either just take photos and lay the parts out.
I fixed my heater core myself but it ended up popping again so I went to a radiator shop and got it recored. $170? Can't remember...

Anyway the bloke put a better core in it with bigger tubes. The factory tubes are narrow so they get blocked up easy and then they pop.

My uc also has air on but I removed it after I put the v8 in. (Waiting to find a bracket. When she gets b k from the exhaust shops ill take some photos for you. Setting it up can't be that hard....

Hope this helps!