1998 GMC Suburban Owner's Manual - Page 377

I Short TripKity Maintenance Schedule -- Gasoline Engines 1 30,000 Miles (50 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote#.) Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals forleaking. (See footnote 'I:*.) 0 For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). IJ Replace fuel filter. An Emission Control Service. (See footnote?.) I7 Vehicles With GVWR Above 8,500 Ibs. Only: Inspect shields and underhood insulation for damage or looseness. Adjust or replace as required. This is a Noise Emission Control Service. Applicable only to vehicles sold in the United States. 0 Rotate tires. See "Tire Inspection and Rotation'' in the Index for proper rotation pattern and additional information. (Seefootnote +.) I ACTUAL MILEAGE I SERVICEDBY I 33,000 Miles (55 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs An Emission Control Service. DATE I first). (Continued) 4 7-13