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Features and Controls

..................................... 2-1

Starting and Operating Your Vehicle

............. 2-2

Instrument Panel

............................................. 3-1

Warning Lights, Gages and Indicators

........... 3-2

Service and Appearance Care

.......................... 5-1

Diesel Fuel Requirements and

Fuel System

.......................................... 5-2

Checking Things Under the Hood

............... 5-14

Capacities and Speciﬁcations

..................... 5-38

Maintenance Schedule

..................................... 6-1

Maintenance Schedule

................................ 6-2

Index

................................................................ 1

2003 DURAMAX™ Diesel Engine M

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GMC 2003 DURAMAX Specifications

General