GMC 2008 Yukon - Section 5 Service and Appearance Care

Service ............................................................5-3
Accessories and Modifications ..........................5-3
California Proposition 65 Warning .....................5-4
California Perchlorate Materials Requirements .....5-4
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 ....................................5-6
California Fuel ...............................................5-6
Additives .......................................................5-6
Fuel E85 (85% Ethanol) ..................................5-7
Fuels in Foreign Countries ...............................5-8
Filling the Tank ..............................................5-9
Filling a Portable Fuel Container .....................5-11
Checking Things Under the Hood ....................5-12
Hood Release ..............................................5-13
Engine Compartment Overview .......................5-14
Engine Oil ...................................................5-15
Engine Oil Life System ..................................5-18
Engine Air Cleaner/Filter ................................5-19
Automatic Transmission Fluid
(4-Speed Transmission) ..............................5-22
Automatic Transmission Fluid
(6-Speed Transmission) ..............................5-24
Engine Coolant .............................................5-28
Coolant Surge Tank Pressure Cap ..................5-31
Engine Overheating .......................................5-31
Overheated Engine Protection
Operating Mode ........................................5-33
Cooling System ............................................5-34
Engine Fan Noise .........................................5-39
Power Steering Fluid .....................................5-39
Windshield Washer Fluid ................................5-40
Brakes ........................................................5-41
Battery
........................................................5-45
Jump Starting ...............................................5-46
Rear Axle .......................................................5-52
Four-Wheel Drive ............................................5-54
Front Axle ......................................................5-55
Headlamp Aiming ...........................................5-56
Bulb Replacement ..........................................5-59
Halogen Bulbs ..............................................5-59
Taillamps, Turn Signal, Stoplamps and
Back-up Lamps .........................................5-60
License Plate Lamp ......................................5-61
Replacement Bulbs .......................................5-61
Windshield Wiper Blade Replacement ..............5-62
Tires ..............................................................5-64
Tire Sidewall Labeling ...................................5-65
Tire Terminology and Definitions .....................5-69
Inflation - Tire Pressure .................................5-72
Section 5 Service and Appearance Care
5-1