Air Leak at or near park brake switch
Hi all, I noticed a noise near my parking brake switch valve that is definitely air escaping. When I twist or wiggle the switch the noise gets louder or quieter. Any hints on what I should be looki...
Forum Discussion
Likely that the valve has gone bad. Open the dash and confirm that it is leaking then pull it out and take it to truck dealer or someplace that deals in air brakes. It isn't an uncommon failure.
