> > I changed my Combination/Proportioning valve back in 2005 when I did the whole braking system. At that time that "valve" was the old steel one
> > and was quite rusty, so got one from, IIRC, Applied GMC. It was Brass, so I felt I had to check it for the proportioning rubber plug. I did it
> > while installed on the coach. First thing I did was make sure the master cylinder was full and then put the proportioning valve bleed tool for
> > holding to the differential spool valve in place. Then remove the brake line going to the rear wheels, and capped the line off with a inverted
> > flare cap. With fluid trickling out of the combination valve, using a mirror and a flashlight, looked up the valve for the rubber plug and spring.
> > NOT THERE!! So I put it back together and bled the line. Apparently some of the brass ones sold back in the early 2000's did not have that
> > proportioning spring and plug in them. So it is possible that some of you may have the correct brass "combination valve". IMO it is best to check
> > it anyway.
>
> Tom Pryor found out that the design for the PVMH has existed a long time and they believe some were made. You may have gotten one.
>
> Look underneath and see if it is stamped PVMH or PV2/4.
>
> Matt
Awwww Geese...do I have to?
Maybe next time I have the front end up and the drivers side wheel and wheel well off.....
I was actually surprised that it the plug and spring were not there. I was under the impression from all of the talk about it, that ALL brass combo
valves had it....but...noooooo!!
--
Larry
78 Royale w/500 Caddy
Menomonie, WI.
> > and was quite rusty, so got one from, IIRC, Applied GMC. It was Brass, so I felt I had to check it for the proportioning rubber plug. I did it
> > while installed on the coach. First thing I did was make sure the master cylinder was full and then put the proportioning valve bleed tool for
> > holding to the differential spool valve in place. Then remove the brake line going to the rear wheels, and capped the line off with a inverted
> > flare cap. With fluid trickling out of the combination valve, using a mirror and a flashlight, looked up the valve for the rubber plug and spring.
> > NOT THERE!! So I put it back together and bled the line. Apparently some of the brass ones sold back in the early 2000's did not have that
> > proportioning spring and plug in them. So it is possible that some of you may have the correct brass "combination valve". IMO it is best to check
> > it anyway.
>
> Tom Pryor found out that the design for the PVMH has existed a long time and they believe some were made. You may have gotten one.
>
> Look underneath and see if it is stamped PVMH or PV2/4.
>
> Matt
Awwww Geese...do I have to?
I was actually surprised that it the plug and spring were not there. I was under the impression from all of the talk about it, that ALL brass combo
valves had it....but...noooooo!!
--
Larry
78 Royale w/500 Caddy
Menomonie, WI.