1991 Kenworth W900B
Safety record from NHTSA: recalls, owner complaints, investigations and service bulletins.
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Vehicles › Kenworth › W900B › 1991
These records cover every 1991 Kenworth W900B. To see whether one car still needs a recall repair, decode its VIN or check it with NHTSA.
Recalls
3 recalls name the 1991 Kenworth W900B. Newest first.
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.
Risk and remedy
Risk
Steering driveline interference would prevent propersteering control. The condition can result in loss of steering capability.
Remedy
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.
Sprague wiper assembly pivot can seize due to galvanic corrosion between the zinc-plated steel shaft and the bronze bushings.
Risk and remedy
Risk
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.
The engine fan may experience a resonant frequency causing premature fan failure, and separation from the engine.
Risk and remedy
Risk
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.
Service bulletins
Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.
- 10040181Paccar: engineering standards have changed and there are now engines with heat treated bolts.
- 10040180Paccar: a software update IS causing the check engine light to come on.
Every Kenworth W900B model year
Bars are owner complaints, dots mark years with recalls. Select a year to open its report.