1995 GMC Yukon Owner's Manual - Page 433

I Maintenance Schedule I - Diesel Engines 15,000 Miles (24000 km) I 0 Change engine oil and filter (or every 3 months, whichever occurs first). Art Emissiorz Contml Scmicc. 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 IO" 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 12 months, whichever occurs first). Replace air cleaner filter. Replace filter more often under dusty conditions. A11 E/uis.sion Control Service. $' For 2-Wheel Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals forleaking. g g DATE ACTUAL MILEAGE SERVICED BY: 7-65