1989 KENWORTH W900B Recalls (2)

Campaign:
91V044000 on 03/20/1991
Component:
Suspension:rear
Manufactured:
04/30/1989 - 09/30/1989
Affected:
5,623
Defect:
Rear axle stabilizer (sway) bar may not have been properly heat treated.
Correction:
Replace the stabilizer bar.
Notes:
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.

Campaign:
91V090000 on 06/19/1991
Component:
Visibility:windshield wiper/washer:linkages
Manufactured:
04/30/1988 - 07/31/1990
Affected:
15,000
Defect:
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.
Correction:
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.

1989 KENWORTH W900B TSBs (2)

Bulletin:
TIB-E-009
Component:
061200 engine and engine cooling:engine:diesel
Summary:
Paccar: a software update is causing the check engine light to come on. *rm
Bulletin:
TIB-E011
Component:
063000 engine and engine cooling:exhaust system
Summary:
Paccar: engineering standards have changed and there are now engines with heat treated bolts. *rm

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