Trailer one way Valve
03-07-2021, (Subject: Trailer one way Valve ) 
Post: #1
Trailer one way Valve
Is the a one way valve on trailers?
when the trailer brake is set on the dash, swishing noise is continues for a while. I removed the emergency brake line( red glad hand ) from the trailer and air is pushing out from the trailer side.
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Messages In This Thread
Trailer one way Valve - alborz - 03-07-2021



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