Affected Component: FUEL SYSTEM, OTHER

Date Published

JAN 15, 2016

NHTSA TSB #

10079728

TSB Document

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# GCUS-9-1522.

Summary

14423C - SPECIAL COVERAGE (REVISED SERVICE PROCEDURE). A FUEL TANK INLET CHECK VALVE (ICV) COULD FRACTURE. THE ICV IS LOCATED ABOVE THE FULL FUEL LEVEL. A FRACTURED ICV COULD ALLOW FUEL VAPORS TO PASS THROUGH AND DROPLETS OF FUEL TO ACCUMULATE ON THE SIDE OF THE FUEL TANK AS IT PASSES OVER THE FRACTURE DURING REFUELING. IF THE ICV FRACTURES, THE VEHICLEÂ’S SERVICE ENGINE SOON (SES) LIGHT MAY ILLUMINATE, AND THE OWNER MAY NOTICE A FUEL ODOR AND/OR A FEW DROPS OF FUEL ON THE GROUND WHEN REFUELING THE VEHICLE. IF THE CONDITION OCCURS WITHIN THE STATED TERMS, THE FUEL TANK WILL BE REPLACED.