Kenworth T440: Service brakes — quick release valve

Affects Kenworth T440 · 2011–2012 — about 3 vehicles.

The hazard

THE SERVICE BRAKE OF A TOWED VEHICLE OR TRAILER MAY HAVE A DELAYED RELEASE, INCREASING THE RISK OF A CRASH.

What to do

KENWORTH DEALERS WILL INSTALL THE QUICK RELEASE AIR VALVE IN THE FULL TRUCK SERVICE BRAKE AIR LINE WITH GLADHAND CONNECTION. ALL OF THE VEHICLES HAVE BEEN REPAIRED, THEREFORE, AN OWNER NOTIFICATION LETTER WILL NOT BE ISSUED FOR THIS CAMPAIGN. THE RECALL BEGAN ON JUNE 23, 2011. OWNERS MAY CONTACT PACCAR AT 1-425-468-7400.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational