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Heater valve "upgrade" or wrong part?
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LBC28730
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PostPosted: Mon Sep 27, 2021 1:22 am    Post subject: Heater valve "upgrade" or wrong part? Reply with quote

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Just about to do my heater valve replacement due to constant hot air and I see the new valve is quite different in that the in/out is rotated 90°.

I feel like this will be a problem that will kink the cable but wonder if this is something to do with the "upgraded" design?
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djkeev
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PostPosted: Mon Sep 27, 2021 1:42 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

My Vote is for wrong part.

Dave
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LBC28730
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PostPosted: Mon Sep 27, 2021 1:55 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

djkeev wrote:
My Vote is for wrong part.

Dave


Bro do you sleep??? Lol

Thanks for always being totally on point.

I'm emailing GW, I think you're right
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PostPosted: Mon Sep 27, 2021 2:02 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

LBC28730 wrote:
djkeev wrote:
My Vote is for wrong part.

Dave


Bro do you sleep??? Lol

Thanks for always being totally on point.

I'm emailing GW, I think you're right


"Early to bed, early to rise makes a man healthy wealthy and wise."

I am SO much more a morning person than a night owl!

Love the early morning, cool and quiet. My dog and I often sit on the porch with a cup of hot coffee and watch the new day break over the eastern horizon......
During the Winter we rekindle the wood stove, cup of coffee and watch the flames dance as we warm the house for the late rising sleepy heads.

My Son In Law considers 9am early.
To me, if it is 9am why bother getting up! The day is almost over!

Dave
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Last edited by djkeev on Mon Sep 27, 2021 2:07 am; edited 2 times in total
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Wildthings
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PostPosted: Mon Sep 27, 2021 2:03 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

At least some of these valve will not seal well if the flow direction is reversed. I would recommend using the Ford valve and installing it under the cover in front of the shifter.

Image may have been reduced in size. Click image to view fullscreen.


These valves are available in both flow orientations so make sure you get the correct one.
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djkeev
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PostPosted: Mon Sep 27, 2021 2:16 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

Do use the correct Ford valve for chosen mounting location.

Flow direction is critically important!

They are identical looking but reversed interiors.........

https://www.thesamba.com/vw/forum/viewtopic.php?t=...p;start=60

Dave
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LBC28730
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PostPosted: Mon Sep 27, 2021 2:25 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

djkeev wrote:
LBC28730 wrote:
djkeev wrote:
My Vote is for wrong part.

Dave


Bro do you sleep??? Lol

Thanks for always being totally on point.

I'm emailing GW, I think you're right


"Early to bed, early to rise makes a man healthy wealthy and wise."

I am SO much more a morning person than a night owl!

Love the early morning, cool and quiet. My dog and I often sit on the porch with a cup of hot coffee and watch the new day break over the eastern horizon......
During the Winter we rekindle the wood stove, cup of coffee and watch the flames dance as we warm the house for the late rising sleepy heads.

My Son In Law considers 9am early.
To me, if it is 9am why bother getting up! The day is almost over!

Dave


This is late night for me, I guess I'm a vampire or something haha.
Typically, especially during the summer, I work at night.
I don't do well with the heat!

Wildthings wrote:
At least some of these valve will not seal well if the flow direction is reversed. I would recommend using the Ford valve and installing it under the cover in front of the shifter.

Image may have been reduced in size. Click image to view fullscreen.


These valves are available in both flow orientations so make sure you get the correct one.



Somehow I've completely missed the Ford valve conversion option.
Do you have a part number by chance?
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LBC28730
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PostPosted: Mon Sep 27, 2021 2:26 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

djkeev wrote:
Do use the correct Ford valve for chosen mounting location.

Flow direction is critically important!

They are identical looking but reversed interiors.........

https://www.thesamba.com/vw/forum/viewtopic.php?t=...p;start=60

Dave
[youtube]


Ah ok I see the part reference, now.
Thanks!
[/youtube]
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danfromsyr
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PostPosted: Mon Sep 27, 2021 4:56 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

screw that, I goto bed about 2-3am.. sometimes 4am is still today not tomorrow yet
but I guess it takes all kinds to cover the watch shifts.
but fwiw I'm up at 7-730am for my dog, he's been to bed since 9pm.

djkeev wrote:
LBC28730 wrote:
djkeev wrote:
My Vote is for wrong part.

Dave


Bro do you sleep??? Lol

Thanks for always being totally on point.

I'm emailing GW, I think you're right


"Early to bed, early to rise makes a man healthy wealthy and wise."

I am SO much more a morning person than a night owl!

Love the early morning, cool and quiet. My dog and I often sit on the porch with a cup of hot coffee and watch the new day break over the eastern horizon......
During the Winter we rekindle the wood stove, cup of coffee and watch the flames dance as we warm the house for the late rising sleepy heads.

My Son In Law considers 9am early.
To me, if it is 9am why bother getting up! The day is almost over!

Dave

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LBC28730
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PostPosted: Mon Sep 27, 2021 6:16 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

danfromsyr wrote:
screw that, I goto bed about 2-3am.. sometimes 4am is still today not tomorrow yet
but I guess it takes all kinds to cover the watch shifts.
but fwiw I'm up at 7-730am for my dog, he's been to bed since 9pm.


I'm just now going to sleep.
Fortunately my cat doesn't require outdoor trips but she does seem to take a huge shit just as I'm about to check out. Lol
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Wildthings
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PostPosted: Mon Sep 27, 2021 3:38 pm    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

LBC28730 wrote:

Do you have a part number by chance?


It is in the thread that djkeev linked to above.
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LBC28730
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PostPosted: Tue Sep 28, 2021 1:17 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

So I emailed GW and apparently it's right.
It's the "upgraded" German version (I did pay more for what they called the better one) and they just recommended being careful about interference with the lever.

I'm on the bleeding stage of head gasket replacement anyway so here we go!
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PostPosted: Tue Sep 28, 2021 4:01 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

LBC28730 wrote:
So I emailed GW and apparently it's right.
It's the "upgraded" German version (I did pay more for what they called the better one) and they just recommended being careful about interference with the lever.

I'm on the bleeding stage of head gasket replacement anyway so here we go!


And GoWesty also sells a screen door latch made for an old farm house wooden screen door as a proper "better" alternative for fixing the Carat/MV/Weekender swing up table latch!
Ugly, exposed, utilitarian, protrudes, potential ankle/foot injury ..... but it does work I'm sure.........

https://www.gowesty.com/product/tables-legs/3219/latch-for-carat-multivan-swing-out-table?v=

Or

https://www.amazon.com/National-Hardware-N192-773-...&psc=1

I really think they have lost it..........

Where are you getting the slack for the 90° Heater valve connections?
Be careful about the cable?
It may kink?
Seriously?
Oh, they're sold out of this better valve but you can buy this cheap valve, but be careful, the cable might kink, it might leak, heck! It might not work at all!

IMHO the Ford Valve is the better choice..... it fits and it works!
Anyway........
Watching with interest..........

Dave
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http://www.thesamba.com/vw/forum/viewtopic.php?p=6315537#6315537

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https://www.thesamba.com/vw/forum/viewtopic.php?t=482968&highlight=74+super+vert


Last edited by djkeev on Tue Sep 28, 2021 4:17 am; edited 1 time in total
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LBC28730
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PostPosted: Tue Sep 28, 2021 4:16 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

djkeev wrote:
LBC28730 wrote:
So I emailed GW and apparently it's right.
It's the "upgraded" German version (I did pay more for what they called the better one) and they just recommended being careful about interference with the lever.

I'm on the bleeding stage of head gasket replacement anyway so here we go!


And GoWesty also sells a screen door latch made for an old farm house wooden screen door as a proper "better" alternative for fixing the Carat/MV/Weekender swing up table latch!
Ugly, exposed, utilitarian...... but it does work I'm sure.........

https://www.gowesty.com/product/tables-legs/3219/latch-for-carat-multivan-swing-out-table?v=

I really think they have lost it..........

Where are you getting the slack for the 90° Heater valve connections?
Be careful about the cable?
It may kink?
Seriously?
Oh, they're sold out of this better valve but you can buy this cheap valve, but be careful, the cable might kink, it might leak, heck! It might not work at all!

IMHO the Ford Valve is the better choice..... it fits and it works!
Anyway........
Watching with interest..........

Dave


Once I had it in place I was actually able to mount it in a way that would not kink or seem "unnatural".

Unfortunately, it appears I still have a coolant system issue because after replacing the head gasket after an overheat that popped the end off one head bolt, the same thing happened again.

External temps never seemed to get over 210f and then POP the same head bolt snapped and blew the nut off.

I am done messing with this 1.9, it's just going to set now until I get the rest of the Subie swap parts.

I'll take pics of the heater valve tomorrow though, just for reference, but I can't see how it would be worth +10x the cost of the typical replacement.
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PostPosted: Tue Sep 28, 2021 7:40 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

mine was a bubbler too, it gets expensive replacing the weakest cooling system parts as they progressively blow up. the rad was the last straw before i rebuilt mine. wildthings' advice might help you: https://www.thesamba.com/vw/forum/viewtopic.php?p=6143591#6143591

if you do indeed have a compression leak, having a blue cap that doesn't hold pressure can be a good idea (presuming your low coolant sensor works). then it'll blow coolant back into the tank behind the licence plate instead of blowing up coolant parts.

edit: reading your description, you could have a busted bearing or something causing major movement. i believe that was the root cause of my head gasket failing (broken main bearing). anyway, good luck with the swap.
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PostPosted: Tue Sep 28, 2021 8:05 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

it's not really an "upgrade" it's called "what i can get my hands on"

that valve was used in many early watercooled cars, rabbit, dasher etc depending on the layout of the heater pipe.

technically correct for early early rabbits etc

it should work ok, but the issue may be cable bind/proper throw of the lever.
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PostPosted: Tue Sep 28, 2021 11:07 pm    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

atomatom wrote:
mine was a bubbler too, it gets expensive replacing the weakest cooling system parts as they progressively blow up. the rad was the last straw before i rebuilt mine. wildthings' advice might help you: https://www.thesamba.com/vw/forum/viewtopic.php?p=6143591#6143591

if you do indeed have a compression leak, having a blue cap that doesn't hold pressure can be a good idea (presuming your low coolant sensor works). then it'll blow coolant back into the tank behind the licence plate instead of blowing up coolant parts.

edit: reading your description, you could have a busted bearing or something causing major movement. i believe that was the root cause of my head gasket failing (broken main bearing). anyway, good luck with the swap.


Could be. It does seem that it was bled properly. The radiator was definitely circulating so it must have been something else.

I'll probably take it apart later and see whats up.



skills@eurocarsplus wrote:
it's not really an "upgrade" it's called "what i can get my hands on"

that valve was used in many early watercooled cars, rabbit, dasher etc depending on the layout of the heater pipe.

technically correct for early early rabbits etc

it should work ok, but the issue may be cable bind/proper throw of the lever.


Well, they had the "stock" one as well, it was was probably 90% less.

Turns out I was able to mount it in a manner that wouldn't bind, but it's going to be a bit before it's completely running again to test that.
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PostPosted: Wed Sep 29, 2021 4:49 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

That is bizarre that the same stud would snap off almost instantly!
I assume you installed a new stud but even if it was a used one…..

You aren’t over tightening I presume?
VW specifically says NOT to use a click style torque wrench on head nuts.

Sorry for your troubles.
But, when you do your swap, renewing the entire cooling system is a smart move.

Dave
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PostPosted: Wed Sep 29, 2021 5:47 am    Post subject: Re: Heater valve "upgrade" or wrong part? Reply with quote

That is a Rabbit/Scirocco/Audi80/Passat) valve.
811819809 or 171819809C
https://www.thesamba.com/vw/classifieds/detail.php?id=1915991
https://www.autewo.de/audi/vw-80/90-typ-81/85/passat-heizungsventil-811819809
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