Recalls for 1991 Kenworth W900b

DEFECT #1 - STEERING:LINKAGES

Posted on: 1993-11-01
Description
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.

Consequence
Steering driveline interference would prevent propersteering control.  The condition can result in loss of steering capability.

Corrective Action
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.

DEFECT #2 - ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

Posted on: 1991-04-25
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.

Corrective Action
Replace engine fan with fan from another manufacturer.

Notes
System: engine fan.vehicle description: heavy trucks equipped with flex-a-lite engine fans.

DEFECT #3 - VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES

Posted on: 1991-06-20
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.

Corrective Action
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.