GMC Denali 2004 Owner's Manual page 293

Section 5
Service ............................................................5-3
Doing Your Own Service Work .........................5-3
Adding Equipment to the Outside of Your
Vehicle ......................................................5-4
Fuel ................................................................5-4
Gasoline Octane ............................................5-4
Gasoline Specifications ....................................5-4
California Fuel ...............................................5-5
Additives .......................................................5-5
Fuels in Foreign Countries ...............................5-6
Filling Your Tank ............................................5-6
Filling a Portable Fuel Container .......................5-8
Checking Things Under the Hood .....................5-8
Hood Release ................................................5-9
Engine Compartment Overview .......................5-10
Engine Oil ...................................................5-11
Engine Air Cleaner/Filter ................................5-16
Automatic Transmission Fluid .........................5-18
Engine Coolant .............................................5-21
Coolant Surge Tank Pressure Cap ..................5-24
Engine Overheating .......................................5-25
Cooling System ............................................5-28
Service and Appearance Care
Engine Fan Noise .........................................5-34
Power Steering Fluid .....................................5-34
Windshield Washer Fluid ................................5-35
Brakes ........................................................5-36
Battery ........................................................5-40
Jump Starting ...............................................5-41
All-Wheel Drive ..............................................5-46
Rear Axle .......................................................5-47
Front Axle ......................................................5-48
Bulb Replacement ..........................................5-49
Halogen Bulbs ..............................................5-49
Headlamps ..................................................5-49
Front Turn Signal, Sidemarker and Daytime
Roof Marker Lamps ......................................5-52
Center High-Mounted Stoplamp (CHMSL) and
Pickup Box Identification and Fender
Taillamps .....................................................5-56
Replacement Bulbs .......................................5-57
Running Lamps .........................................5-50
Cargo Lamp .............................................5-54
Marker Lamps ...........................................5-55
5-1