Engine and Transmission Tech

tips, technology, tools and techniques related to vehicle driveline components

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BWA


(344 posts)

Registered:
04/13/2010 08:13PM

Main British Car:
Heater Valve
Posted by: BWA
Date: August 26, 2014 09:40PM

I bought this heater shut off valve and it does not work. I tried both positions on the lever and in both cases the heater core gets hot in my TR6. Can you guys recommend a make of valve that will not leak? The picture I have posted is where the knob on the dash is pushed in so the hot water should be shut off from the heater core. The issue is to find one that I do not have to re-engineer so it is off with the knob pushed in and on when the knob is pulled out.

001.JPG

Thanks for your time and consideration!!

Cheers
Byron


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6469 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: Heater Valve
Posted by: BlownMGB-V8
Date: August 26, 2014 11:07PM

Try one of the plastic ones. 4 seasons makes a nice universal.

Jim


BWA


(344 posts)

Registered:
04/13/2010 08:13PM

Main British Car:
Re: Heater Valve
Posted by: BWA
Date: August 26, 2014 11:30PM

Thanks Jim I just did a search and found the plastic one and also a metal one by the same manufacturer.
here is the link to the metal one.

[www.amazon.com]

The one on my car is the same as the one above so I am not instilled with confidence that a plastic one by this manufacturer will work any better.

Cheers
Byron
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BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6469 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: Heater Valve
Posted by: BlownMGB-V8
Date: August 27, 2014 09:39AM

You can turn it and blow through it.

Jim


DiDueColpi
Fred Key
West coast - Canada
(1365 posts)

Registered:
05/14/2010 03:06AM

Main British Car:
I really thought that I'd be an action figure by now!

authors avatar
Re: Heater Valve
Posted by: DiDueColpi
Date: August 27, 2014 03:27PM

Try turning the valve around Byron.
Many heater valves won't seal when the water flow is backwards through them.
The other issue may be that the stops on the valve don't relate to the valves actual limits.
Often, the valves travel limits are dictated by the cable travel. You can check by looking through it and operating the lever.
Or simply blow through it as Jim suggested.

Cheers
Fred


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