If the front tank overfills, the excess pressure may cause the front tank to expand and contact the driveshaft, possibly resulting in a hole in the tank. The hole will leak fuel, which in the presence of an ignition source, can increase the risk of a fire.

Fuel System, Gasoline — Storage — Auxillary Tank

Summary

General Motors LLC (GM) is recalling certain 2011-2015 Chevrolet Silverado 3500 and GMC Sierra 3500 trucks equipped with dual fuel tanks. The low fuel level sensor for the front tank may stick causing the rear tank to overfill the front tank.

Actions

GM has notified owners, and dealers will replace the rear tank fuel pump or update the fuel-level sensor software, as well as inspect the front tank, replacing it as necessary, free of charge. The recall began December 11, 2017. Owners may contact GM customer service for Chevrolet 1-800-222-1020 or for GMC customer service at 1-800-462-8782. GM's number for this recall is 17399.

Documents (13)

• Recall Acknowledgement
• Defect Notice 573 Report
• Recall Quarterly Report #1, 2017-4
• Manufacturer Notices(to Dealers,etc) - Date: October 19, 2017 Subject: Upcoming Safety Recall 17399 Fuel Tank Expansion Into Driveline
• Safety Bulletin - Reference Number: N172105000 Release Date: December 2017
• Manufacturer Notices(to Dealers,etc) - Date: December 8, 2017 Subject: 17399 - Safety Recall Fuel Tank Expansion Into Driveline
• ISSUED Interim Owner Notification Letter(Part 577)
• Recall 573 Report-Amendment 1
• Recall 573 Report-Amendment 2
• ISSUED Owner Notification Letter(Part 577)
• ISSUED Owner Notification Letter(Part 577)
• Safety Bulletin - Reference Number: N172105000 Release Date: February 2018 Revision: 01
• Manufacturer Notices(to Dealers,etc) - Date: February 2, 2018 Subject: 17399 01 – Safety Recall Fuel Tank Expansion Into Driveline Revised Model Years, Part and Procedure Sections

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