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September 9, 2011 Service bulletin

Kenworth: certain model trucks will have an incomplete deaeration when radiator is drained and then...

Kenworth technical service bulletin TIB-42-49 for 2010 Kenworth T800, 2010 Kenworth W900 and 2010 Kenworth T660 and others.

Bulletin number
TIB-42-49
Component
Engine and engine cooling: cooling system: radiator assembly
Summary
Kenworth: certain model trucks will have an incomplete deaeration when radiator is drained and then refilled due to an improper coolant line routing.

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