GMC 2004 envoy Manual Do Utilizador

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 ....................................5-5
California Fuel ...............................................5-5
Additives .......................................................5-6
Fuels in Foreign Countries ...............................5-6
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 ...................................................5-16
Engine Air Cleaner/Filter ................................5-21
Automatic Transmission Fluid .........................5-22
Engine Coolant .............................................5-24
Radiator Pressure Cap ..................................5-27
Engine Overheating .......................................5-28
Cooling System ............................................5-30
Engine Fan Noise .........................................5-36
Power Steering Fluid .....................................5-37

Windshield Washer Fluid ................................5-38
Brakes ........................................................5-39
Battery ........................................................5-42
Jump Starting ...............................................5-43

Rear Axle .......................................................5-48
Four-Wheel Drive ............................................5-49

Front Axle ......................................................5-50

Bulb Replacement ..........................................5-51

Halogen Bulbs ..............................................5-51
Headlamps ..................................................5-51
Front Turn Signal and Sidemarker Lamps ........5-51
Taillamps and Turn Signal Lamps ...................5-52
Replacement Bulbs .......................................5-53

Windshield Wiper Blade Replacement ..............5-53

Tires ..............................................................5-55

Inflation - Tire Pressure .................................5-64
Tire Inspection and Rotation ...........................5-65
When It Is Time for New Tires .......................5-66
Buying New Tires .........................................5-67
Uniform Tire Quality Grading ..........................5-68
Wheel Alignment and Tire Balance ..................5-69
Wheel Replacement ......................................5-69
Tire Chains ..................................................5-71

Section 5

Service and Appearance Care

5-1