1990 Kenworth T800 recalls

SPRAGUE WIPER ASSEMBLY PIVOT CAN SEIZE DUE TO GALVANIC CORROSION BETWEEN THE ZINC-PLATED STEEL SHAFT AND THE BRONZE BUSHINGS.

Consequence

THIS CORROSION CAN CAUSE WIPER ARM/BLADE ASSEMBLY TO STOPWIPING WINDSHIELD, THIS COULD AFFECT DRIVER VISIBILITY AND RESULT IN ANACCIDENT.

Remedy

REPLACE SPRAGUE WIPER ASSEMBLY PIVOT WITH AN ASSEMBLY NOT SUSCEPTIBLE TO GALVANIC CORROSION.

SYSTEM: WIPER ASSEMBLY PIVOT.VEEHICLE DESCRIPTION: HEAVY TRUCKS EQUIPPED WITH SPRAGUE WIPER ASSEMBLY PIVOT.

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.

SYSTEM: AIR BRAKE SYSTEM AND ANTI-LOCK AIR BRAKES; FMVSS 121.VEHICLE DESCRIPTION: TRUCKS BUILT WITH AIRGLIDE 100 SUSPENSION AND BOSCH ABSBRAKE SYSTEM.

REAR AXLE STABILIZER (SWAY) BAR MAY NOT HAVE BEEN PROPERLY HEAT TREATED.

Remedy

REPLACE THE STABILIZER BAR.

SYSTEM: REAR AXLE STABILIZER (SWAY) BAR.VEHICLE DESCRIPTION: TRUCKS WITH AIRGLIDE 100 REAR AXLE SUSPENSION.CONSEQUNCE OF DEFECT: STABILIZER BARS WITH INSUFFICIENT HARDNESS MAY FAIL,CAUSING LOSS OF VEHICLE CONTROL THAT COULD RESULT IN AN ACCIDENT.