TSB Document:

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

You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# 01678.

Affected Component: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

Summary

6.6 LLY DURAMAX DIESEL ENGINES HAVE AN ISSUE WITH THE HIGH PRESSURE FUEL LINES THAT PREVENT THEM FROM ACHIEVING THE PROPER TORQUE UPON REINSTALLATION AFTER A REPAIR. *TT

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