1998 GMC Jimmy Owner's Manual - Page 366

Long TripBighway Maintenance Schedule 37,500 Miles (62 500 km) 0 Change engine oil and filter (or every I2 months, whichever occurs first). A H Emission Control S e n k x . 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 **.) 0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) DATE I 45,000 Miles (75 000 km) 0 Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. Lubricate chassiscomponents (or every 12 months, whichever occurs first). #. (See footnote j 0 Check redfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote *'$.) 0 Change automatic transmission fluid and filter if the vehicle is mainly driven under one ormore of these conditions: - In heavy city traffic where the outside temperature regularly reaches 90°F (32°C) or higher. - In hilly or mountainous terrain. (Continued) I DATE I 7-31