1998 GMC Sonoma Owner's Manual - Page 341

I Short TripKity Maintenance Schedule I 0 Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote#.) 0 Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) 0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) 57,000 MiZes (95 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Elnission Control Service. 0 Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote#.) 17 Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote *4:.) 60,000 Miles (IO0 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 17 Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote#.) 0 Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) (Continued) 7-19