park systems 1.VOB 

I need to know why this break foot. Valve is leaking on the out side of the valve at the end of the valve 2012 or 2013 internasanul truck

nice video

When a set my truck parking break, the emergency parking brake pops too. And my parking brakes doesn't set right away.

Well done

great video, learning a lot !!! marc

There are some trailers that return the air back into my dash valves or as you know them back into the PP-1, When I get off the truck and pull off my emergency glad hand there is still air flowing back. What valve is causing this?

Como va conectado lavalvula de estacionamiento

Tem a tradução em texto