United States 84V076000
PACCAR Incorporated
The problem
CONTROL VALVES MAY NOT ALLOW FULL PRESSURE RELEASE AFTER BRAKE PEDAL HAS BEEN RELEASED BY OPERATOR.
What owners should do
DEALER WILL REMOVE THE PLUGS FROM THE EXHAUST PORTS ON THE SERVICE SUPPLY AND EMERGENCY SUPPLY CONTROL VALVES, AND INSTALL A TUBE AND FITTING IN ITS PLACE.
Units 196