Table Of Contents - GMC 2003 DURAMAX Owner's Manual

Section 5
Diesel Fuel Requirements and Fuel System .......5-2
Diesel Engine Fuel .........................................5-2
What Fuel to Use ...........................................5-3
Very Cold Weather Operation ...........................5-5
Water in Fuel .................................................5-5
Water in Fuel Light Chart ................................5-6
Running Out of Fuel .....................................5-10
Fuel Filter Replacement .................................5-10
Filling Your Tank ..........................................5-12
Filling a Portable Fuel Container .....................5-13
Service and Appearance Care
Checking Things Under the Hood ....................5-14
Engine Compartment Overview .......................5-14
Engine Oil ...................................................5-16
Engine Air Cleaner/Filter ................................5-21
Automatic Transmission Fluid .........................5-23
Engine Coolant .............................................5-26
Coolant Surge Tank Pressure Cap ..................5-29
Engine Overheating .......................................5-30
Cooling System ............................................5-32
Capacities and Specifications ..........................5-38
Specification Charts ......................................5-38
5-1