Service And Appearance Care - Hummer 2004 H2 Owner's Manual

Section 5
Service ............................................................5-3
Doing Your Own Service Work .........................5-4
Adding Equipment to the Outside of Your
Vehicle ......................................................5-5
Fuel ................................................................5-5
Gasoline Octane ............................................5-5
Gasoline Specifications ....................................5-5
California Fuel ...............................................5-6
Additives .......................................................5-6
Fuels in Foreign Countries ...............................5-7
Filling Your Tank ............................................5-7
Filling a Portable Fuel Container .......................5-9
Checking Things Under the Hood ....................5-10
Hood Release ..............................................5-10
Engine Compartment Overview .......................5-12
Engine Oil ...................................................5-14
Engine Air Cleaner/Filter ................................5-19
Automatic Transmission Fluid .........................5-21
Engine Coolant .............................................5-24
Coolant Surge Tank Pressure Cap ..................5-27
Engine Overheating .......................................5-27
Cooling System ............................................5-30

Service and Appearance Care

Engine Fan Noise .........................................5-35
Power Steering Fluid .....................................5-36
Windshield Washer Fluid ................................5-37
Brakes ........................................................5-38
Battery ........................................................5-42
Jump Starting ...............................................5-43
All-Wheel Drive ..............................................5-48
Rear Axle .......................................................5-50
Front Axle ......................................................5-51
Bulb Replacement ..........................................5-52
Halogen Bulbs ..............................................5-52
Headlamps ..................................................5-52
Front Turn Signal and Parking Lamps ..............5-53
Sidemarker Lamps ........................................5-54
Daytime Running Lamps ................................5-54
Roof Marker Lamps ......................................5-55
Center High-Mounted Stoplamp (CHMSL) .........5-57
Taillamps .....................................................5-57
Replacement Bulbs .......................................5-58
Windshield Wiper Blade Replacement ..............5-59
5-1