C 3500 Truck 2WD V8-6.6L DSL Turbo VIN 1 (2002)
Cylinder Head Bolts: Technical Service Bulletins
Diesel Engine - Cylinder Head Bolt Torque Information
Bulletin No.: 02-06-01-036A
Date: January 29, 2008
INFORMATION
Subject:
Revised Cylinder Head M12 Bolt Fastener Tightening Specifications
Models:
2001-2002 Chevrolet Silverado
2003 Chevrolet Kodiak
2001-2002 GMC Sierra
2003 GMC TopKick
with 6.6L Duramax(TM) Diesel Engine (VIN 1 - RPO LB7)
Supercede:
This bulletin is being revised to inform dealerships that service information is no longer correct. Refer to Service Bulletin 07-06-01-009 for head gasket
identification and head bolt torque specifications. Please discard Corporate Bulletin Number 02-06-01-036 (Section 06 - Engine/Propulsion System).
If a cylinder head gasket is found to be absent of thickness grade markings, refer to Service Bulletin 07-06-01-009 for gasket identification.
The revised head bolt specification can be found in SI or refer to Service Bulletin 07-06-01-009 for head bolt torque specification change.
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