1998 GMC Jimmy Owner's Manual - Page 365

Long Trip/Highway Maintenance I Schedule . ~. 30,000 Miles (SO 000 km) (Continued) 0 Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote**.) Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where the outside temperature regularly reaches 90°F (32 C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. I f you do not use your vehicle under anyo tlzese con.ditions, change the.fluid f and filter every 50,000 miles (83 000 km). Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) Replace fuel filter. An Emission Control Service. (See footnote'f.) Replace air cleaner filter. An Emission Control Sewice, O 7-30