United States 86V003000
PACCAR Incorporated
The problem
LINE PRESSURE SURGES OCCUR WHEN THE TRANSMISSION IS IN HIGH GEAR LOCKUP DUE TO A PLUMBING ERROR. CONSEQUENCE OF DEFECT: LINE PRESSURE SURGES COULD CAUSE BODILY HARM THROUGH ERRATIC FIRE HOSE DELIVERY ACTION.
What owners should do
REWORK PLUMBING TO PREVENT LINE PRESSURE SURGES.
Units 90