GMC 2003 Yukon XL, Owner'S Manual

Page: 359 / 518

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
Fuel E-85 (85% Ethanol) .................................5-6
Fuels in Foreign Countries ...............................5-7
Filling Your Tank ............................................5-7
Filling a Portable Fuel Container .....................5-10
Checking Things Under
the Hood ....................................................5-10
Hood Release ..............................................5-11
Engine Compartment Overview .......................5-12
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 .......................................5-29
Cooling System ............................................5-32
Engine Fan Noise .........................................5-37
Power Steering Fluid .....................................5-38
Windshield Washer Fluid ................................5-39
Brakes ........................................................5-40
Battery ........................................................5-43
Jump Starting ...............................................5-44
All-Wheel Drive ..............................................5-49
Rear Axle .......................................................5-50
Four-Wheel Drive ............................................5-51
Front Axle ......................................................5-52
Bulb Replacement ..........................................5-52
Halogen Bulbs ..............................................5-53
Headlamps ..................................................5-53
Front Turn Signal, Sidemarker and
Daytime Running Lamps .............................5-54
Side Identification Marker Lamps .....................5-55
Roof Marker Lamps ......................................5-55
Taillamps .....................................................5-57
Replacement Bulbs .......................................5-59
Windshield Wiper Blade Replacement ..............5-59
Tires ..............................................................5-60
Inflation - Tire Pressure .................................5-61
Tire Inspection and Rotation ...........................5-62
When It Is Time for New Tires .......................5-63
Buying New Tires .........................................5-64
Uniform Tire Quality Grading ..........................5-65
Section 5 Service and Appearance Care
5-1