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# 100803.
Affected Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
EXCESSIVE DURAMAX TURBOCHARGER WHINE NOISE OR POSSIBLY A PERFORMANCE OR A FUEL ECONOMY COMPLAINT. GM VOICEMAIL LOG. THIS INCLUDES 2003-2004 4500 AND 5500 TRUCKS. *TT
