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GMC TSB #18NA361
2017 GMC Sierra
Affected Component: FUEL SYSTEM, GASOLINE
Date Published
JUN 24, 2019
NHTSA TSB #
10163208
TSB Document
MC-10163208-9999.pdf
Summary
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.