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NHTSA Campaign 91V043000

SERVICE BRAKES, AIR

Issued by PACCAR, INCORPORATED · Reported Mar 14, 1991 · 77 vehicles affected

What's wrong

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.

Consequence

THE MISTIMED BRAKE AND ABS SYSTEM MAY CAUSE THE TRUCK TOFAIL THE STOPPING DISTANCE REQUIREMENT OF THE FMVSS, WHICH MAY LEAD TO ANACCIDENT.

Remedy

REMOVE THE EXTRA LENGTH OF AIR LINE AND INSTALL THE TRANSFER TEE AT THE ABS SOLENOID.

Vehicles affected by this recall

Make Model Year Units
KENWORTH K100E 1990 77
KENWORTH K100E 1991 77
KENWORTH T400 1990 77
KENWORTH T400 1991 77
KENWORTH T600 1990 77
KENWORTH T600 1991 77
KENWORTH T800 1990 77
KENWORTH T800 1991 77

Source: NHTSA Campaign 91V043000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.