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Service bulletin PI-0181A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10035984
Published by NHTSA2011-03-08
Manufacturer's numberPI-0181A
Manufacturer's date2010-12-01
ReplacesPI-0181B
NHTSA componentPOWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

NHTSA's 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. *PE UPDATED 5/31/11. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Transfer case

Vehicles listed
BUICK LACROSSE2010, 2011

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
060089026N2018-06-04. Service bulletin. This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.