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Is the CTIS angle valve serviceable

10Lugger

10Lugger

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White Post, VA
Cold weather is here and last night my rear tire went flat. I let the ctis air up the tire then took a spay bottle to it and found the leak at the screw adjustment at the angle valve. I turned screw and deflated tire. I disassembled cap and found valve and o-ring. Looked for info with no luck. Is this serviceable? Number 13 on TM.




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aleigh

aleigh

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That's interesting, unless I am totally spacing, mine are different. They don't have that screw thing on them, it's just a 90 degree fitting. It screws onto the valve stem (which seems - randomly - to have a schrader core in it). I had one wind up leaking but the valve stem was bad and I ended up having to replace it and the seal where it goes through the wheel.
 
Suprman

Suprman

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Sometimes found on front tires on the older trucks. So you can quickly flatten the front tires to reduce height. They lead to nothing but problems though. I recommend replacing them with the regular elbows that the rear tires use.
 
aleigh

aleigh

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... also by randomly I meant sometimes the wheel valve stem has a schraeder in it and sometimes it doesn't. I always kind of wondered if it is supposed to be there to facilitate removing the ctis hose assembly without deflating the tire, and if so I guess the assembly must be depressing the pin. Or if they are in there accidentally and I would find they don't work if my ctis otherwise did.
 
aleigh

aleigh

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If you mean the disaster - I have a water pump coming but need to find a fan. I was going to get around to asking if you had them actually. The rad is blown we think (it's leaking from behind the shroud) but I am going to get it out and see if it can be repaired. I don't know the state of the fan clutch. If you mean CTIS, I think my problem is the pneumatic valve gizmo in the dash but I haven't really worried about that in awhile.
 
Suprman

Suprman

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I have a clutch, fan blade and radiator. The radiator has to go freight. Back to the original post, there are new style wheel valve hosing that eliminate the whole elbow. The hose from the valve to valve stem is all one piece it screws right onto the stem. Not quite as durable as the older elbow style though.
 
10Lugger

10Lugger

Member
130
5
18
Location
White Post, VA
Suprman said:
Sometimes found on front tires on the older trucks. So you can quickly flatten the front tires to reduce height. They lead to nothing but problems though. I recommend replacing them with the regular elbows that the rear tires use.
Click to expand...

I cleaned it up and reassembled to no avail. Would you happen to have the regular ones? I have two of this type on the truck and would like to replace both. If you or anyone else can help, please let me know.


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coachgeo

coachgeo

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10Lugger said:
I cleaned it up and reassembled to no avail. Would you happen to have the regular ones? I have two of this type on the truck and would like to replace both. If you or anyone else can help, please let me know.
Click to expand...
Can you plug it with a bolt and Oring..... or maybe have the hole welded shut? See if it i just a standard NPT elbow.......... if it is..... just replace it from local hardware, napa etc?
 
10Lugger

10Lugger

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White Post, VA
My CTIS still functions. Tire seems to be holding air overnight. I think the temperature has a lot to do with it. I'm going to change out o-ring next and may shim cap internally. I would like to just switch out though. Thanks


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A

Aernan

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19
18
Location
San Jose/California
10Lugger said:
Cold weather is here and last night my rear tire went flat. I let the ctis air up the tire then took a spay bottle to it and found the leak at the screw adjustment at the angle valve. I turned screw and deflated tire. I disassembled cap and found valve and o-ring. Looked for info with no luck. Is this serviceable? Number 13 on TM.




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Click to expand...
Thanks for the photo. Mine is doing the same thing. Parts on order to replace it. Good to know there is an o-ring inside.

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A

Aernan

Member
510
19
18
Location
San Jose/California
10Lugger said:
Cold weather is here and last night my rear tire went flat. I let the ctis air up the tire then took a spay bottle to it and found the leak at the screw adjustment at the angle valve. I turned screw and deflated tire. I disassembled cap and found valve and o-ring. Looked for info with no luck. Is this serviceable? Number 13 on TM.




Sent from my iPhone using Tapatalk
Click to expand...
How did you get the inner portion out? I was able to take the cap off but that's it.

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