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September 30, 2009 Service bulletin

Kenworth: automatic transmission will not shift properly, but check transmission warning lamp does not...

Kenworth technical service bulletin TIB-26-18 for 2007-2008 Kenworth T370, 2007-2008 Kenworth T270 and 2007-2008 Kenworth T170.

Bulletin number
TIB-26-18
Component
Power train: automatic transmission
Summary
Kenworth: automatic transmission will not shift properly, but check transmission warning lamp does not illuminate, and the select and monitor displays do not agree (eg: d selected and n monitor display). Chassis equipped with allison 1000 or 2000 series transmissions and dash mounted shifter (not floor mounted shift tower). No model years listed.

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