Service brakes, air: discRecall 08V-431 · Kenworth and Peterbilt vehicles
PACCAR INCORPORATED recall 08V-431 covers 86 Kenworth and Peterbilt vehicles for a service brakes, air: disc problem, reported to NHTSA on August 25, 2008.
Source: NHTSA recall 08V431000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
PACCAR IS RECALLING 86 MY 2009 KENWORTH T660, T800, W900, AND PETERBILT 386, 365, AND 388 TRUCKS EQUIPPED WITH BENDIX FRONT AIR DISC BRAKES. THE SIZE 14 SERVICE CHAMBER OF CERTAIN FRONT AIR DISC BRAKES MAY HAVE BEEN CONTAMINATED WITH GREASE BETWEEN THE PISTON HEAD/PLATE AND THE DIAPHRAGM. WHEN BRAKING PRESSURE IS APPLIED, THE GREASE MAY ALLOW THE PISTON HEAD/PLATE TO SLIP OFF CENTER AND CATCH ON THE REDUCING RING OF THE SIZE 14 SERVICE CHAMBER.
The risk
THE CATCHING OF THE PISTON HEAD/PLATE ON THE REDUCING RING MAY LOCK UP THE CORRESPONDING FRONT AIR DISC BRAKE WHICH MAY IMPACT THE OPERATOR'S ABILITY TO STEER OR CONTROL THE VEHICLE.
The fix
DEALERS WILL REPLACE BOTH FRONT AIR DISC BRAKES SIZE 14 SERVICE CHAMBERS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 27, 2008. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440 AND PETERBILT AT 1-940-591-4196.
KENWORTH RECALL NO. 08KWA AND PETERBILT RECALL NO. 708F.CUSTOMERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://WWW.SAFERCAR.GOV.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
Vehicles in this recall
Built from May 19, 2008 to June 29, 2008. Not every vehicle in these model years is included; check by VIN.