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June 29, 2020 Service bulletin

Freightliner Service Bulletin for Compressor Bracket Modification to Reduce Harness Chafing

Freightliner technical service bulletin SB54-330 for 2017-2021 Freightliner Cascadia.

Bulletin number
SB54-330
Component
Engine and engine cooling
Summary
Freightliner Service Bulletin for Compressor Bracket Modification to Reduce Harness Chafing. New Cascadia vehicles with Detroit HDEP engines may experience engine harness chafing at the harness support bracket that mounts on the air compressor. To avoid this issue, a new hole is drilled on the bracket to enhance the spacing with tie straps and reduce harness contact with the mounting bolt. Additional harness wrapping is added to reduce the harness chafing.

Owners of these vehicles have filed 6 complaints in the engine category.

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