KENWORTH W900B Recalls

1991 KENWORTH W900B Recall

Item Affected: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

Date Announced: 04/18/1991

Description of Recall: THE ENGINE FAN MAY EXPERIENCE A RESONANT FREQUENCY CAUSING PREMATURE FAN FAILURE, AND SEPARATION FROM THE ENGINE.

Conequence: ENGINE FAN SEPARATION CAN CAUSE DEATH OR INJURY TO ANYPERSON IN THE PATH OF THE FAN.

Action Need To Fix It: REPLACE ENGINE FAN WITH FAN FROM ANOTHER MANUFACTURER.

Notes: SYSTEM: ENGINE FAN.VEHICLE DESCRIPTION: HEAVY TRUCKS EQUIPPED WITH FLEX-A-LITE ENGINE FANS.

1991 KENWORTH W900B Recall

Item Affected: VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES

Date Announced: 06/10/1991

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

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

Action Need To Fix It: REPLACE SPRAGUE WIPER ASSEMBLY PIVOT WITH AN ASSEMBLY NOT SUSCEPTIBLE TO GALVANIC CORROSION.

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

1991 KENWORTH W900B Recall

Item Affected: STEERING:LINKAGES

Date Announced: 10/25/1993

Description of Recall: THESE TRUCKS DO NOT HAVE THE PROPER CUTOUT IN THE FRONT DROP RAIL SECTION OF THE FRAME RAIL. WITHOUT THE PROPER CUTOUT, THE STEERING DRIVELINE GREASE FITTING WILL INTERFERE WITH THE FLANGE OF THE CHASSIS RAIL.

Conequence: STEERING DRIVELINE INTERFERENCE WOULD PREVENT PROPERSTEERING CONTROL. THE CONDITION CAN RESULT IN LOSS OF STEERING CAPABILITY.

Action Need To Fix It: DEALERS WILL INSPECT FOR PROPER CUTOUT AND ADEQUATE CLEARANCE WITH THE GREASE FITTING. IF ADEQUATE CLEARANCE DOES NOT EXIST, A CUTOUT WILL BE ADDED TO THE DROP RAIL.

Notes: SYSTEM: STEERING; LINKAGES.VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS EQUIPPED WITH A FORWARD MOUNTED SHEPPARDM100 STEERING GEAR.

1983 KENWORTH W900B Recall

Item Affected: UNKNOWN OR OTHER

Date Announced: 12/07/1986

Description of Recall: LINE PRESSURE SURGES OCCUR WHEN THE TRANSMISSION IS IN HIGH GEAR LOCKUP DUE TO A PLUMBING ERROR. CONSEQUENCE OF DEFECT: LINE PRESSURE SURGES COULD CAUSE BODILY HARM THROUGH ERRATIC FIRE HOSE DELIVERY ACTION.

Conequence:

Action Need To Fix It: REWORK PLUMBING TO PREVENT LINE PRESSURE SURGES.

Notes: SYSTEM: WATER LINES. VEHICLE DESCRIPTION: FIRE TRUCKS EQUIPPED WITH ALLISON HT 740D FIRE TRUCK SPECIAL TRANSMISSION WATER PUMPS WITH HIGH GEAR LOCKUP.

1982 KENWORTH W900B Recall

Item Affected: SERVICE BRAKES, AIR:SUPPLY

Date Announced: 07/26/1982

Description of Recall: THE INVOLVED TRUCKS MAY HAVE BEEN ASSEMBLED WITHOUT THE INSTALLATION OF A SINGLE CHECK VALVE. THIS FAILS TO COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS". IN THE EVENT OF A SINGLE FAILURE IN THE REAR AIR SYSTEM, THE LACK OF A CHECK VALVE WOULD ALLOW SIMULTANEOUS LOSS OF AIR FROM BOTH FRONT AND REAR BRAKING SYSTEMS.

Conequence:

Action Need To Fix It: DEALER WILL INSTALL A SINGLE CHECK VALVE, IF NECESSARY, WITHOUT CHARGE TO OWNER.

Notes: VEHICLE DESCRIPTION: TRUCKS.SYSTEM: SERVICE BRAKES; AIRBRAKES.CONSEQUENCES OF DEFECT: DEGRADED BRAKING CAPABILITY COULD RESULT IN LOSS OFVEHICLE CONTROL AND AN ACCIDENT.