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1958 Belvedere heater control valve
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jboymechanic
Posted 2012-05-14 11:22 PM (#321090)
Subject: 1958 Belvedere heater control valve



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Any one have a good, affordable source for these valves? The valve in my Belvedere just started leaking today.
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sconut1
Posted 2012-05-22 12:07 AM (#322279 - in reply to #321090)
Subject: Re: 1958 Belvedere heater control valve


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Location: Edmonton, Alberta
Try this guy: http://heatercontrolvalve.com/. The fellows name is Jim Tucker. He'll be able to rebuild your old valve for you for just under $100.00 I recently had him rebuild the valve from my Fury. I've not yet reinstalled it, but the work he did looks good. He's quite highly recommented on the Imperial website, and that's why I chose to deal with him. He's a little gruff over the phone, but he'll get the job done for you.
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Christine'sRevenge
Posted 2012-05-22 7:02 AM (#322300 - in reply to #321090)
Subject: Re: 1958 Belvedere heater control valve



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I just bought an NOS Valve on Ebay in the original box. What a score!
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57plymouth
Posted 2012-05-22 8:23 AM (#322314 - in reply to #321090)
Subject: Re: 1958 Belvedere heater control valve



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There is a rebuild kit available at NAPA. (if they have it in stock, or else you get to pay shipping...) The control valve is mostly brass. It's not too bad to rebuild. There is a rubber gasket inside that goes hard and then tears and causes the leak. Once it's off the car it's pretty easy to figure out how to take it apart and rebuild it.
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Chrome58
Posted 2012-05-22 8:34 AM (#322317 - in reply to #322314)
Subject: Re: 1958 Belvedere heater control valve



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57plymouth - 2012-05-22 2:23 PM

There is a rebuild kit available at NAPA. (if they have it in stock, or else you get to pay shipping...) The control valve is mostly brass. It's not too bad to rebuild. There is a rubber gasket inside that goes hard and then tears and causes the leak. Once it's off the car it's pretty easy to figure out how to take it apart and rebuild it.


I beg to differ ...

I bought that rubber gasket from NAPA and tried to replace it in my heater control valve ... No way !
Obviously, it was not the correct gasket for my valve. Maybe there are two different designs.
Anyway, I was unable to replace it ...
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1960fury
Posted 2012-05-22 9:42 AM (#322328 - in reply to #322317)
Subject: Re: 1958 Belvedere heater control valve



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Chrome58 - 2012-05-22 8:34 AM
I beg to differ ...

I bought that rubber gasket from NAPA and tried to replace it in my heater control valve ... No way !
Obviously, it was not the correct gasket for my valve. Maybe there are two different designs.
Anyway, I was unable to replace it ...


yes, these were never designed to be rebuild. rebuilding means uncrimping and crimping the valve tabs that have been crimped before. and after 50+ years chances are it has been rebuild before. years ago i had one rebuild (not by me) valve come apart at high engine speed... it wasn't fun.

Edited by 1960fury 2012-05-22 9:43 AM
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b5rt
Posted 2012-05-22 10:30 PM (#322439 - in reply to #321090)
Subject: Re: 1958 Belvedere heater control valve



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JCAuto http://jcauto.com/ offers a rebuilding service. I've never used them so don't know how well they work out.
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soiouz
Posted 2012-05-23 2:53 PM (#322510 - in reply to #321090)
Subject: RE: 1958 Belvedere heater control valve



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I did rebuild mine myself with the NAPA kit. I took my time, took the valve apart, carefully changed the rubber gasket and rebuild it all. It works beautifully, has been working great from many months and many hundreds of miles of driving and I don't see why it wouldn't last another 25 years at least. Just take your time and work gently on the brass tabs holding the valve together.
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big m
Posted 2012-05-23 9:10 PM (#322609 - in reply to #322510)
Subject: RE: 1958 Belvedere heater control valve



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soiouz - 2012-05-23 11:53 AM

I did rebuild mine myself with the NAPA kit. I took my time, took the valve apart, carefully changed the rubber gasket and rebuild it all. It works beautifully, has been working great from many months and many hundreds of miles of driving and I don't see why it wouldn't last another 25 years at least. Just take your time and work gently on the brass tabs holding the valve together.


I've also done many myself without trouble. If the valve has already been rebuilt once, though, the tabs will be fatigued and will break most likely, so start with a different, virgin, valve.

---John
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1960fury
Posted 2012-06-11 7:34 PM (#325228 - in reply to #322609)
Subject: RE: 1958 Belvedere heater control valve



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not all oem valves are ranco heater valves. some are robertshaw valves. actually a better design with a base plate that does not stress the rubber seal as much as the ranco does but the brass tabs are much more fragile. if you try to unbend the tabs without heat they break. at least that is my experience. i would never try to rebuild them the usual way.
after that nightmare experience with a rebuild valve i bought i decided to do it myself the right way by modifying the valve seat and a new base plate with camfered valve opening in order to make it possible to BOLT the valve to the valve actuating mechanism. i rebuild many valves that way since 1994 so far no leaks but they can be easily rebuild again and again with a screwdriver in 5 minutes.



(0aheatervalve3ds.jpg)



(0aheatervale2ds.jpg)



(0aheatervalve6ds.jpg)



(0aheatervalve8ds.jpg)



Attachments
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Attachments 0aheatervalve3ds.jpg (37KB - 163 downloads)
Attachments 0aheatervale2ds.jpg (62KB - 174 downloads)
Attachments 0aheatervalve6ds.jpg (79KB - 164 downloads)
Attachments 0aheatervalve8ds.jpg (74KB - 168 downloads)
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JT Newman
Posted 2012-06-12 1:47 AM (#325263 - in reply to #321090)
Subject: Re: 1958 Belvedere heater control valve



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Nice design! I repaired my Ranco valve, it was straightforward job but still a pain in the ass. I even had to sacrifice some of my blood for Gods of Automotive Engineering.
It works fine now.

But, I read somewhere that heater valve on old Volvo PV is quite the same if you need to have similar design.
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big m
Posted 2012-06-12 1:42 PM (#325321 - in reply to #325228)
Subject: RE: 1958 Belvedere heater control valve



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1960fury - 2012-06-11 4:34 PM

not all oem valves are ranco heater valves. some are robertshaw valves. actually a better design with a base plate that does not stress the rubber seal as much as the ranco does but the brass tabs are much more fragile. if you try to unbend the tabs without heat they break. at least that is my experience. i would never try to rebuild them the usual way.
after that nightmare experience with a rebuild valve i bought i decided to do it myself the right way by modifying the valve seat and a new base plate with camfered valve opening in order to make it possible to BOLT the valve to the valve actuating mechanism. i rebuild many valves that way since 1994 so far no leaks but they can be easily rebuild again and again with a screwdriver in 5 minutes.


Nice job on that heater valve, Sid! No need to worry about fatigued tabs breaking with your set up.

---John
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jboymechanic
Posted 2012-06-12 10:33 PM (#325378 - in reply to #325228)
Subject: RE: 1958 Belvedere heater control valve



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Location: Muskego, WI
1960fury - 2012-06-11 6:34 PM

not all oem valves are ranco heater valves. some are robertshaw valves. actually a better design with a base plate that does not stress the rubber seal as much as the ranco does but the brass tabs are much more fragile. if you try to unbend the tabs without heat they break. at least that is my experience. i would never try to rebuild them the usual way.
after that nightmare experience with a rebuild valve i bought i decided to do it myself the right way by modifying the valve seat and a new base plate with camfered valve opening in order to make it possible to BOLT the valve to the valve actuating mechanism. i rebuild many valves that way since 1994 so far no leaks but they can be easily rebuild again and again with a screwdriver in 5 minutes.


I have two here that need rebuilding, any chance I can get you to make me a couple of those plates? Or do you have a mechanical drawing for the plates that you could share?
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1960fury
Posted 2012-06-19 4:50 PM (#326217 - in reply to #325378)
Subject: RE: 1958 Belvedere heater control valve



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thanks big m. no jon i do not have a drawing but i can give you the dimensions. actually the pictures pretty much tell you what to do. the base plate measures 1.13/16" x 2.1/2" the opening is 5/8" (do not forget to camfer or drill a bigger hole the actual sealing surface is 13/16"+) the bolt pattern is 5 x 1.5/16" bolt size is 3mm. the plate is <1/8" thick. do not go bigger than 1/8" otherwise you could run out of thread when adjusting the valve for the thicker base plate so it still fully opens. there are no exact measurements for the valve actuating mechanism bolt holes due to production tolerances. best is to attach the valve first to the base plate and then connect the plunger rod to the lever and use the actuating mechanism as a template. that way the plunger rod is always perfectly centered.
sure i could sent you a couple of base plates and the valve fastener/bolts (all you would have to do is to grind down the tabs, install a new seal and attach the lever housing to the base plate) but the job is time consuming and actually not that hard to do with basic home tools... let me know.
below is a picture of a 59+ robertshaw valve i rebuild in 94 i just pulled. still looks like new and never leaked.

Edited by 1960fury 2012-06-19 7:04 PM




(0aheatervalve7ds.jpg)



Attachments
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Attachments 0aheatervalve7ds.jpg (40KB - 157 downloads)
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jboymechanic
Posted 2012-06-20 5:27 PM (#326381 - in reply to #321090)
Subject: Re: 1958 Belvedere heater control valve



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Location: Muskego, WI
Excellent, thanks for the info. I have access to a nice Bridgeport mill so I can get really carried away if I want.
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