GMC 2003 Sonoma Owner's Manual page 368

Section Maintenance Schedule
Maintenance Schedule
......................................
6 . 2
Introduction
...................................................
6 . 2
Your Vehicle and the Environment
......
I
......
6. 2
Maintenance Requirements
..............................
6. 2
Wow This Section is Organized ......................... 6-3
Part A: Scheduled Maintenance Services
...........
6. 4
Using Your Maintenance Schedule ....................
6 . 4
Selecting the Right Schedule ........................... 6 . 5
Short Trip/City Scheduled Maintenance
..............
6. 7
Long Trip/Highway Scheduled Maintenance ...... 6.17
Part B: Owner Checks and Services ................ 6-25
At Each Fuel Fill
..........................................
6.25
At Least Once a Month
.................................
6-25
4t Least Twice a Year
...................................
6.26
At Least Four Times a Year ........................... 6-27
At
Least Once a Year
...................................
6.27
Steering. Suspension and Front Drive Axle
Boot and Seal Inspection ............................ 6.30
Exhaust System Inspection
............................
6.30
Fuel System inspection .................................. 6.30
Engine Cooling System Inspection ................... 6-31
Throttle System Inspection
.............................
6.31
Transfer Case and Front Axle
Brake System Inspection ................................ 6.31
Part D: Recommended Fluids and Lubricants
....
6-32
Part E: Maintenance Record ........................... 6.34
Part C: Periodic Maintenance Inspections
.........
6.30
(Four-wheel Drive) Inspection ..................... 6.31
6- 1