Service brakes, airRecall 91V-043 · Kenworth vehicles
PACCAR, INCORPORATED recall 91V-043 covers 77 Kenworth vehicles for a service brakes, air problem, reported to NHTSA on March 14, 1991.
Source: NHTSA recall 91V043000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
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 risk
THE MISTIMED BRAKE AND ABS SYSTEM MAY CAUSE THE TRUCK TOFAIL THE STOPPING DISTANCE REQUIREMENT OF THE FMVSS, WHICH MAY LEAD TO ANACCIDENT.
The fix
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.
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 August 1, 1989 to January 1, 1991. Not every vehicle in these model years is included; check by VIN.