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May 22, 2020 Service bulletin

Service Solution for Hadley Upper Mirror Glass Vibration

Western Star technical service bulletin SS1034711 for 2019-2021 Western Star 4900, 2019-2021 Western Star 4700 and 2019-2021 Western Star 5700 and others.

Bulletin number
SS1034711
Component
Visibility: rearview mirrors/devices
Summary
Service Solution for Hadley Upper Mirror Glass Vibration. The following suggestions are not guaranteed to eliminate or fix the Hadley mirror vibration concern. We have had mixed results in field-testing. In some cases, these solutions eliminate or reduce the vibration and in others, it does not seem to make a difference. DTNA continues to work on a permanent solution to this concern.

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