GMC 2003 GMT560 T-Series Owner's Manual page 235

Section 6
Maintenance Schedule ......................................6-2
Introduction ...................................................6-2
Your Vehicle and the Environment ....................6-2
Maintenance Requirements ..............................6-2
How This Section is Organized .........................6-3
Part A: Scheduled Maintenance Services ...........6-4
Using Your Maintenance Schedule ....................6-4
Scheduled Maintenance Supplements ................6-4
Maintenance Schedule
Scheduled Maintenance ...................................6-5
Part B: Owner Checks and Services ................6-22
At Each Fuel Fill ..........................................6-22
At Least Twice a Year ...................................6-22
At Least Once a Year ...................................6-26
Part C: Recommended Fluids and Lubricants ....6-27
Part D: Maintenance Record ..........................6-29
6-1