1995 GMC Yukon Owner's Manual - Page 444

I Maintenance Schedule (Corztin~recl) I - Diesel Engines I 0 Check real-/fi-ontaxle tluid level and add fluid a s needed. Check constant velocity joints and axle seals for leaking. :i:j' DATE ACTUAL MILEAGE SERVICED BY: 52,500 Miles (84000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An EIr7issio/1 Control Ser-lYc.e. 0 Lubricate the front suspension, king pin bushings, steering linkage. transmission shift linkage, transfer case shift linkage, parking brake cable guides, rear driveline center splines, front axle propshaft splines, brake pedal springs and clutch pedal springs. Ball joints and king pin bushings should not be lubricated unless their temperature is 10" F (-12" C), or higher. When weather is cold. let the ball joints and king pin bushings warm up before lubrication or they could be damaged. Perform each of the listed lubrication service items at this mileage interval (or every I2 months, whichever occurs first). 0 Rotate tires. See "Tire Inspection and Rotation" i n the Index for proper rotation pattern and additional information. See "Tires" in the Index. 7-76