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February 24, 2021 Service bulletin

Wheels

Altec technical service bulletin CSR 508 for 2020 Altec Aerial Device and 2020 Altec Digger Derrick.

Bulletin number
CSR 508
Component
Wheels
Summary
Daimler Trucks North America LLC (DTNA), on behalf of its Freightliner Trucks Division and wholly-owned subsidiary, Western Star Truck Sales Inc., has decided that a defect which relates to motor vehicle safety exists on specific model year 2020 through 2021 Freightliner 108SD, 114SD, Business Class M2, and Cascadia vehicles manufactured June 1, 2020, through September 9, 2020. On certain vehicles, the steer axle spindle nut snap ring may not be fully engaged. If the snap ring becomes dislodged, it may not prevent the spindle nut from backing-off. This can cause the hub to loosen and potentially cause a wheel-off condition, increasing the risk of a motor vehicle crash or injury. The snap ring will be inspected for proper installation and repaired as needed. Repairs will be performed by Daimler Trucks North America authorized service facilities.

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