Express 2500 V8-6.6L DSL Turbo (2010)
Exhaust Clamp: Technical Service Bulletins
Engine - Info on Duramax(TM) Turbo Air Intake Duct
INFORMATION
Bulletin No.: 10-06-93-001
Date: December 20, 2010
Subject: Information on Duramax(TM) Turbo Air Intake Duct Service Clamp
Models:
2010-2011 Chevrolet Express
2011 Chevrolet Silverado 2500HD/3500
2010-2011 GMC Savana
2011 GMC Sierra 2500HD/3500
Equipped with 6.6L Duramax Diesel Engine (RPOs LGH, LML)
Some vehicles equipped with the Duramax Diesel have been built with a T-bolt style clamp (1) on the turbocharger air inlet duct. A worm drive style
clamp (2) is available for service. The worm drive clamp reduces the difficulty of removing and installing the turbocharger air inlet duct. If the
turbocharger air inlet duct is removed for service and it has the T-bolt style clamp, reinstall the duct with the worm drive clamp, GM P/N 12638666.
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