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December 1, 2010 Service bulletin

Buick: correct transfer case (PTU) vent hose routing

Buick technical service bulletin PI-0181A for 2010-2011 Buick Lacrosse.

Bulletin number
PI-0181A
Component
Power train: transfer case (4-wheel drive)
Summary
Buick: correct transfer case (ptu) vent hose routing. Transfer case vent hose may have been routed incorrectly during assembly. If the transfer case vent hose is routed incorrectly, and depending on where it is misrouted, a customer may comment on a passenger compartment odor or a slight fluid leak under the vehicle.

Owners of these vehicles have filed 36 complaints in the transmission category.

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