KENWORTH UNSPECIFIED 1999: SERVICE BRAKES, AIR
NHTSA Campaign ID Number: 99V055003
| Make | Model | Year |
|---|---|---|
| KENWORTH | UNSPECIFIED | 1999 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1999-04-30 | 1999-04-06 | 1999-04-07 |
Production Dates: 1999-01-11 - 1999-01-14
Manufacturers Involved: PACCAR Incorporated
Manufacturer Campaign Number: 99KW01/99PB01
Component: SERVICE BRAKES, AIR
Potential Number Of Units Affected: 493
Report Initiator: MFR MFR Report
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH MERITOR AIR BRAKE AUTOMATIC SLACK ADJUSTERS. SOME OF THE AUTOMATIC SLACK ADJUSTERS HAD INSUFFICIENT TORQUE APPLIED TO THE GUIDE PAWL CAP SCREW.
WITHOUT SUFFICIENT TORQUE ON THE GUIDE PAWL CAP SCREW, THE BRAKES COULD GRADUALLY LOSE ADJUSTMENT, INCREASING THE VEHICLE STOPPING DISTANCE.
DEALERS WILL CHECK THE TORQUE ON THE AUTOMATIC SLACK ADJUSTER GUIDE PAWL. IF THERE IS NO TORQUE, THE BRAKES WILL BE ADJUSTED AND THE GUIDE PAWL WILL BE TIGHTENED TO 15-20 FT. LBS.
KENWORTH NOTIFIED OWNERS BEGINNING APRIL 30, 1999; AND PETERBILT NOTIFIED THEIR OWNERS ON MAY 10, 1999. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT PETERBILT AT 1-510-790-4013 OR KENWORTH AT 1-206-828-5418.ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT '1-888-327-4236'.
