KENWORTH T400 1990: SERVICE BRAKES, AIR
NHTSA Campaign ID Number: 91V043000
| Make | Model | Year |
|---|---|---|
| KENWORTH | T400 | 1990 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1991-07-10 | 1991-03-14 | 1991-03-21 |
Production Dates: 1989-08-01 - 1991-01-01
Manufacturers Involved: PACCAR Incorporated
Component: SERVICE BRAKES, AIR
Potential Number Of Units Affected: 77
Report Initiator: MFR MFR Report
Regulation Part Number: 571
Federal Motor Vehicle Safety Standard Number: 121
AIR BRAKE SYSTEM WAS MODIFIED BY ADDING A LONGER AIR LINE BETWEEN THE ABS SOLENOID AND THE TRANSFER TEE TO SIMPLIFY MANUFACTURING. THIS MODIFICATION CAUSED THE TRUCKS TO BE IN NON-COMPLIANCE WITH FMVSS 121, BRAKE TIMING TEST.
THE MISTIMED BRAKE AND ABS SYSTEM MAY CAUSE THE TRUCK TOFAIL THE STOPPING DISTANCE REQUIREMENT OF THE FMVSS, WHICH MAY LEAD TO ANACCIDENT.
REMOVE THE EXTRA LENGTH OF AIR LINE AND INSTALL THE TRANSFER TEE AT THE ABS SOLENOID.
SYSTEM: AIR BRAKE SYSTEM AND ANTI-LOCK AIR BRAKES; FMVSS 121.VEHICLE DESCRIPTION: TRUCKS BUILT WITH AIRGLIDE 100 SUSPENSION AND BOSCH ABSBRAKE SYSTEM.
