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December 1, 2015 Service bulletin

New Tool Availability — EN-48974 – EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax® Diesel...

Chevrolet technical service bulletin 08-06-04-003D for 2002-2016 Chevrolet Silverado 1500, 2002-2016 GMC Sierra 1500 and 2006-2016 Chevrolet Express and others.

Bulletin number
08-06-04-003D
Component
Engine and engine cooling: exhaust system: emission control: gas recirculation valve (EGR valve)
Summary
New Tool Availability — EN-48974 – EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax® Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber

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