Reply to "Front braking power suddenly gone"

Internally I think the Pantera and '70 Mustang shuttle valves are the same. Externally they are different. The diameters for the tube nuts and the brake light switch are quite different for the Pantera shuttle valve when compared to Mustang.

I have two Panteras. One has the original shuttle valve and the other has a Mustang shuttle valve. The Pantera shuttle valves are getting harder to find and that could be the case for Mustang valves as well.

It is fairly easy to damage the shuttle valves because they are brass and the tube nuts are steel. The large tube nut for the rear brakes can easily be over torqued with a 17mm wrench and it can crack the housing. I have seen the same type of crack on a used valve that I bought where someone over torqued the brake light switch.

3/31/231:36 PM

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