Heater valve

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Terry Johnston
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Heater valve

Post by Terry Johnston » Fri Jan 26, 2007 11:35 am

My heater valve is still functioning but I would prefer to be proactive and replace it before things get wet on the passenger side. I have seen a picture on BB of a modification of a spider heater valve that it was said that 'Jim' makes up. Does anyone know who this jim is and how I might contact him?


Terry Johnston
83 CA GTV6 (original owner)
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shures
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Heater Valve

Post by shures » Thu Feb 15, 2007 7:05 pm

There are a lot of approaches to this repair. The one that makes the most sense to me was posted by Greg Gordon a few years ago. It involves pulling the heater core and having a 90 degree x 1/2" hose fitting soldered on in place of the heater valve. This is a simple job for a decent radiator shop. Then camp out with your local NAPA (auto) parts guy and find a 1/2" valve to install outboard. You will also need to make a provision to switch the A/C; there is space in the dash.

Search around here and you will find Greg's post. I believe he also posted a photo and advice on improving the airflow through the heater core.

Rob or someone at Centerline put me in touch with a fellow in Colorado who was manufacturing or had made-up a run of bolt on adapters that replaced the original heater valve with a 1/2" hose fitting (I was unable to hook-up with him). Others have modified a Fiat 124 or 128 valve but not with a lot of success. I grafted parts from a non-A/C Alfetta valve onto my original valve. Another fellow who's name is Ryan and posts on the AlfaBB machined an adapter and I believe had good success. I have not heard from him lately.

Might be an idea for a home business kit.
Scott Shure
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85 GTV-6
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nisaar
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Post by nisaar » Mon Mar 26, 2007 11:25 pm

Hi guys the best way to go about this repair I found with the least modification to your Dash board and changing the originality is to fit a golf MK1 heater valve it works more or less the same you just need to mount it Here in south Africa they still make golf1's new so it isint a problem to get 1

Nisaar KHAN
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DaveH
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Post by DaveH » Tue Mar 27, 2007 4:28 am

nisaar,

Do you know if this solution is applicable to a GTV6 with air-conditioning?

Dave
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GregoryV
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Post by GregoryV » Tue Mar 27, 2007 10:00 pm

This is the heater valve I found for old VW rabbits, golfs, etc. It is certainly simple enough - but finding a place to mount it in the gtv6 would take some creativity as there is not much room with the shelf right there.

Dang - what did Alfa do with the tooling for these things - or whoever they outsourced them too!

Gregory
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Post by GregoryV » Tue Mar 27, 2007 10:16 pm

Okay - This could be a better possible as both of these make the "L" shape like our v6 ones - but have no idea on the nipple diameters, etc. These are for the old Datsun Roadster but are readily available at least from this source.

http://www.datsunparts.com/Cooling

Guess I'll have to wait for mine to break and then get serious about it! But I think I'm coming up do as I'm on my second valve in 180K miles and the last one went at around 140K is my guess.

GV
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nisaar
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Post by nisaar » Wed Mar 28, 2007 1:37 am

Hey guys this is how it works you mount it against the heater box upside down so baiscly the cable will attach to the heater lever it works the same as those nasty veglia ones you should connect the pipe with an L shaped bend to it in order to get it to work I Made the Modification to the car. This Sunday I will be fitting it on will post some pics

BTW Why I got involved with this repair Here in South Africa there is an Italian car workshop which had brand new heater boxes for the GTV 6 alfa but this stock had been sitting on the shelf form 1980 I bought it and the new valve just crumbled when I attached the pipe the reason for this was the low quality plastic used by Veglia in the 80's so thats why I made this conversion
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Re: Heater valve

Post by 4sfed » Thu Feb 28, 2008 8:59 pm

Terry Johnston wrote:My heater valve is still functioning but I would prefer to be proactive and replace it before things get wet on the passenger side. I have seen a picture on BB of a modification of a spider heater valve that it was said that 'Jim' makes up. Does anyone know who this jim is and how I might contact him?


Terry Johnston
83 CA GTV6 (original owner)
Not much activity on this topic. Just found your post . . . I'm Jim. Here's a diagram of the adapter for the spider heater valve. The adapter is stainless steel so you don't have to worry about corrosion, and bolts directly to the heater core flange. The lever on the valve is designed to provide the same movement of the control cable, but the cable will need to be shortened.

-Jim

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sh0rtlife
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Post by sh0rtlife » Fri Feb 29, 2008 2:02 am

wow that would be a cake walk to make....be nice to be able to finaly kill water flow thru the heater core again

i simply used a small 3/8s inch piece of flat place cut it to match the old opening , drilled it out and welded a steel nipple to it...sure i dont have a valve now but it kept me on the road
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