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September 30, 2020 Service bulletin

Detroit Diesel Special Publication informing about Heavy Duty Friction Style Belt Tensioner Kit. This...

Freightliner technical service bulletin 18SP736 for 2018-2021 Freightliner Cascadia, 2018-2021 Freightliner Business Class M2 and 2018-2021 Western Star 4900 and others.

Bulletin number
18SP736
Component
Engine and engine cooling: engine: gasoline: belts and associated pulleys
Summary
Detroit Diesel Special Publication informing about Heavy Duty Friction Style Belt Tensioner Kit. This heavy duty friction style belt tensioner kit contains the belt tensioner and two M10 bolts to correctly pin the friction style belt tensioner. The M10x80mm bolt is used to pin the engine cooling fan drive arm. The M10x50mm bolt is used to pin the engine accessory drive arm.

Owners of these vehicles have filed 7 complaints in the engine category.

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