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1990 KENWORTH W900B

3 recalls, 0 complaints - 2 TSBs

91V090000 Jun 10, 1991
VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES
Defect Description
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.
15,000 vehicles affected
Manufacturer: PACCAR, INCORPORATED
91V066000 Apr 18, 1991
ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
Defect Description
THE ENGINE FAN MAY EXPERIENCE A RESONANT FREQUENCY CAUSING PREMATURE FAN FAILURE, AND SEPARATION FROM THE ENGINE.
Consequence
ENGINE FAN SEPARATION CAN CAUSE DEATH OR INJURY TO ANYPERSON IN THE PATH OF THE FAN.
Remedy
REPLACE ENGINE FAN WITH FAN FROM ANOTHER MANUFACTURER.
997 vehicles affected
Manufacturer: PACCAR, INCORPORATED
91V044000 Mar 14, 1991
SUSPENSION:REAR
Defect Description
REAR AXLE STABILIZER (SWAY) BAR MAY NOT HAVE BEEN PROPERLY HEAT TREATED.
Remedy
REPLACE THE STABILIZER BAR.
5,623 vehicles affected
Manufacturer: PACCAR, INCORPORATED

No complaints found for this vehicle.

Technical Service Bulletins, 1990 KENWORTH W900B

2 manufacturer communications from 2 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

ComponentBulletins
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL1
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM1
TIB-E011 Dec 15, 2010
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
PACCAR: ENGINEERING STANDARDS HAVE CHANGED AND THERE ARE NOW ENGINES WITH HEAT TREATED BOLTS. *RM
TIB-E-009 Dec 2, 2010
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
PACCAR: A SOFTWARE UPDATE IS CAUSING THE CHECK ENGINE LIGHT TO COME ON. *RM

KENWORTH W900B - All Years Overview

Complete safety history for the KENWORTH W900B across all model years (1982, 2025).

25 Total Recalls
2 Total Complaints
0 Investigations
0 Reported Crashes
0 Reported Fires
0 Reported Deaths

KENWORTH W900B - Year by Year

Compare recalls and complaints across model years. Click any year to see full details.

Year Recalls Complaints
2025 1 0 View
2024 1 0 View
2023 1 0 View
2022 1 0 View
2021 1 0 View
1997 0 1 View
1996 0 1 View
1993 1 0 View
1992 1 0 View
1991 3 0 View
1990 (current) 3 0
1989 2 0 View
1988 1 0 View
1987 2 0 View
1986 2 0 View
1985 2 0 View
1984 1 0 View
1983 1 0 View
1982 1 0 View

Other KENWORTH Models

Model Recalls Complaints
T800 354 49 View
T880 330 12 View
T680 329 110 View
W900 291 42 View
T380 222 2 View
T480 181 0 View
W990 178 0 View
T660 165 10 View