Rear Proportioning Valve and JB Weld - Steve Saunders Goldwing Forums

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post #1 of 8 (permalink) Old 05-28-2019, 08:38 AM Thread Starter
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Location: Ogden, Utah
Year: 1983
Make: Honda
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Rear Proportioning Valve and JB Weld

The rear proportioning valve on my 1983 Interstate is leaking. I have checked the connections, and it's not leaking from there. It's between the valve body and the bracket holding it to the frame. From reading on this and other sites, I'm guessing that the valve is cracked. I was wondering if it's a viable solution to coat the valve with JB weld to seal the crack. If not, would TIG welding it be a better solution? I am unable to find the valve anywhere for under about $100 and I'm hoping for a little less expensive solution.

~ Ryan



1983 Goldwing Interstate GL1100i
2010 Jonway YY150T
1995 Kawasaki KLX650R



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post #2 of 8 (permalink) Old 05-28-2019, 08:52 AM
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I would tend to do the JB Steel weld fix.
easy to coat around the valve stem, and let it set for a day at least to be sure it is cured.


I once fixed a '84 Ford six cylinder inline engine's exhaust manifold with JB Weld Steel.


that exhaust manifold kept breaking bolts and getting loose.
I took it off, cleaned all the joints up real good, coated every bolt hole and surface with JB Weld Steel.


put it back together, let it set for two days.
That manifold never, ever, came loose again.
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post #3 of 8 (permalink) Old 05-28-2019, 10:36 AM
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The key here is to find the crack not just, "coat the valve with JB weld to seal the crack." Find the crack, stop drill at the end of the crack, grind a groove along the crack, clean with contact cleaner and then add J B.
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post #4 of 8 (permalink) Old 05-28-2019, 10:40 AM
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JB weld is not likely to hold against brake pressure no matter how you apply it.
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post #5 of 8 (permalink) Old 05-28-2019, 10:52 AM
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Quote:
Originally Posted by DaveO430 View Post
JB weld is not likely to hold against brake pressure no matter how you apply it.
And Tig welding will likely destroy the insides.
Best to bite the bullet and buy one.
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Advise given here is free and comes with no warranty "Caveat emptor"

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post #6 of 8 (permalink) Old 05-28-2019, 11:06 AM
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JB might work if it is just a pin hole but I am not even sure it is compatible with brake fluid so I agree with Dave and Ken.

Maybe a retrofit adjust to your liking?
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https://www.ebay.com/itm/Brake-Propo...EAAOSwK-pZqSbE
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post #7 of 8 (permalink) Old 05-28-2019, 11:35 AM Thread Starter
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Originally Posted by redwing52 View Post
JB might work if it is just a pin hole but I am not even sure it is compatible with brake fluid so I agree with Dave and Ken.

Maybe a retrofit adjust to your liking?

,
Thank you for the idea. I was looking into that, but knowing very little about proportioning valves, I didn't know if that was a viable alternative. I may go this route instead.

Thank you everyone for the great information.

~ Ryan



1983 Goldwing Interstate GL1100i
2010 Jonway YY150T
1995 Kawasaki KLX650R



"Everybody is a Genius. But If You Judge a Fish by Its Ability to Climb a Tree, It Will Live Its Whole Life Believing that It is Stupid" - Albert Einstein.
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post #8 of 8 (permalink) Old 05-28-2019, 11:57 AM
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I've seen JBW do some pretty radical repairs, and it won't hurt anything to try.

Just do the repair correctly, as Flylow instructed.

Why ain't we ridin'?
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