1995 GMC Yukon Owner's Manual - Page 442

I Maintenance Schedule (Cmtinuecl) I - Diesel Engines I 0 Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. DATE SERVICED MILEAGE ACTUAL BY: 47,500 Miles (76 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs Sei-viw. first). An Emissicw Cor~trol 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 warn1 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). DATE ACTUAL MILEAGE SERVICED BY: 7-74