The defect
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 remedy
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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Kenworth T660 | 2009 |
| Kenworth T800 | 2009 |
| Kenworth W900 | 2009 |
| Peterbilt 365 | 2009 |
| Peterbilt 385 | 2009 |
| Peterbilt 388 | 2009 |
Components: SERVICE BRAKES, AIR:DISC
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Kenworth T660 | 2009 | 0 | 17 |
| Kenworth T800 | 2009 | 2 | 19 |
| Kenworth W900 | 2009 | 0 | 17 |
| Peterbilt 365 | 2009 | 0 | 14 |
| Peterbilt 385 | 2009 | 0 | 4 |
| Peterbilt 388 | 2009 | 0 | 15 |
Other service brakes, air recalls in 2008
18 of the 683 recall campaigns reported to NHTSA in 2008 concerned the service brakes, air; PACCAR INCORPORATED filed 113 campaigns in all.
| 08V666000 16 Dec 2008 | DAIMLER TRUCKS NORTH AMERICA |
| 08V612000 24 Nov 2008 | AUTOCAR, LLC |
| 08V618000 24 Nov 2008 | NAVISTAR, INC |
| 08V598000 18 Nov 2008 | PIERCE MANUFACTURING |
| 08V437000 26 Aug 2008 | NORTH AMERICAN BUS INDUSTRIES, INC. |
| 08V414000 20 Aug 2008 | NEWMAR CORPORATION |
| 08V416000 15 Aug 2008 | GULF STREAM COACH, INC. |
| 08V296000 3 Jul 2008 | NEW FLYER INDUSTRIES LTD |
NHTSA recalls (public domain) · all recalls of 2008