1998 GMC Suburban Owner's Manual - Page 398

Long TripMighway Maintenance Schedule -- Gasoline Engines 67,500 Miles (112 500 km) (Continued) 0 C heck rearlfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote '+'i'.) otate tires. See "Tire Inspection and Rotation" in the Index for proper dation pattern and additional information. (See footnote +.) 1 a ci ! 75,000 Miles (125 000 km) Change engine oil and filter (or every 12 months, whichever occurs first). A HEmission Control Service. 0 Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) 0 Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote '#'I:.) 0 Vehicles With GVWR Above 8,500 lbs. Only: Inspect shields and underhood insulation for damage or looseness. Ad-just or replace as required. This is a Noise Emissiolz Control Service. Appliccrble only to velzicles sold i n the Ulzitecl Stcltes, 0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) DATE SERVICED B Y 7-34