K 3500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2001)
Fuel Filter: All Technical Service Bulletins
Fuel System - Improved Fuel Filter Design
INFORMATION
Bulletin No.: 04-06-04-070B
Date: March 02, 2009
Subject:
Information on Improved Fuel Filter for 6.6L Duramax(TM) Diesel Engine
Models:
2001-2009 Chevrolet Silverado
2003-2009 Chevrolet Kodiak
2006-2009 Chevrolet Express
2001-2009 GMC Sierra
2003-2009 GMC TopKick
2006-2009 GMC Sierra
Equipped with 6.6L Duramax(TM) Diesel Engine (VINs 1, 2, D, 6 - RPOs LB7, LLY, LBZ, LMM)
Supercede:
This bulletin is being revised to provide additional information to the field on fuel filter applications for the Duramax diesel engine. Please discard
Corporate Bulletin Number 04-06-04-070A (Section 06 - Engine/Propulsion System).
Important:
It is acceptable to use diesel fuel containing up to 5% biodiesel (B5). Higher concentration (i.e., greater than B5) biodiesel-containing fuels or the use of
unmodified bio-oils blended into diesel fuel at any concentration is not recommended and could damage the fuel system and engine. Such damage would
not be covered by your warranty.
A revised fuel filter is released that will service all 2001-2009 Chevrolet and GMC C/K models and 2003-2009 Chevrolet and GMC C4500/5500 Series
vehicles with the 6.6L Duramax(TM) Diesel. The new coalescer filter provides the following benefits / improvements over the existing dual pleat design:
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150-200% increase in service life, depending on contaminant type
