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June 29, 2016 Service bulletin

15823

Chevrolet technical service bulletin 15823 LETTER for 2011-2014 Chevrolet Express.

Bulletin number
15823 LETTER
Component
Fuel system, gasoline: storage: auxillary tank
Summary
15823 - customer advisory letter. This communication was to inform dealers that a customer mailing was taking place. The letter informs the customers to inspect for leaks or damage to the fuel filler neck line and/or the cargo tank high pressure flex lines. To address this potential condition, customers are instructed to have a certified cng technician inspect the fuel filler neck line and the cargo tank high pressure flex line in accordance with gm service information procedures. In addition, to be sure the customerÂ’s vehicle does not have this condition, customers are also instructed to continue inspections annually as part of routine maintenance. Gm has updated the maintenance schedule in the cng vehicles ownerÂ’s manual supplement to include an annual inspection of all cng flex lines.

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