1997 GMC Suburban Owner's Manual - Page 365

Short TripKity Maintenance Schedule-- Gasoline Engines 9,000 Miles (15 000 km) Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 12,000 Miles (20 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) 0Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) 0Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) 0Check readfront axle fluid level and add fluid as needed. Check constant velocityjoints and axle seals for leaking. (See footnote**.) 0Rotate tires. See "Tire Inspection and Rotation'' in the Index for proper rotation pattern and additional information. (See footnote +.) DATE ACTUAL MILEAGE SERVICED B Y DATE ACTUAL MILEAGE SERVICED B Y