1998 GMC Suburban Owner's Manual - Page 392

Long Tripmghway Maintenance Schedule -- Gasoline Engine3 7,500 Miles (12 500 km) 0 Change engine oil and filter (or every 12 months, whichever O C C L I ~ first). S An Emission Control Sen?ice. MILEAGE I I DATE SERVICED B Y 0 Lubricate chassis components (or every 12 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 '1"1',) 0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) 15,000 Miles (25 000 km) 0 Change engine oil and filter (or every 12 months, whichever occurs first). An Enlission Control Sen-.ic:e. I DATE MILEAGE I 0 Lubricate chassis components (orevery 12 months, whichever occLlrs 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 4:'l:.) fl Vehicles With GVWR Above 8,500 Ibs. Only: Inspect shields and underhood insulation for damage orlooseness. Adjust 01- replace as required. Tl?isis a Noise Emission Contml Sei-lice. Appliccrhle only to \d1icle.v sold in the United States. fl Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) 7-28