United States 88V140000
PACCAR Incorporated
The problem
AN INCORRECT FRONT AXLE BRAKE VALVE MAY HAVE BEEN INSTALLED.
Risk
BRAKING ABILITY OF THE VEHICLE WITHOUT A TRAILER COULDBE REDUCED WHICH COULD RESULT IN AN ACCIDENT.
What owners should do
REPLACE THE LQ4 VALVE WITH A QR1 QUICK RELEASE VALVE.
Units 240