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May 22, 2020 Service bulletin

Service Bulletin for Window Regulator Retrofit

Western Star technical service bulletin SBW72-008REV for 2013-2020 Western Star 4900, 2013-2020 Western Star 4700 and 2013-2020 Western Star 5700 and others.

Bulletin number
SBW72-008REV
Component
Visibility: power window devices and controls
Summary
Service Bulletin for Window Regulator Retrofit. The bulletin dated December 4, 2019 has been revised to include 4800 Models. Beginning 04/01/2019 Western Star cab doors were updated to a new style regulator and window. When replacing an older style regulator or window the vehicle must be retrofitted to the new style regulator and window.

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