Stephan New member Messages 1 Mar 6, 2020 #1 I have an air brake relay valve that is leaking even after I replaced the quick-release valve. I've still got a leak coming out of the pedal valve. It's on a 379 Pete.
I have an air brake relay valve that is leaking even after I replaced the quick-release valve. I've still got a leak coming out of the pedal valve. It's on a 379 Pete.