1995 GMC Yukon Owner's Manual - Page 452

Maintenance SpheduleII - Diesel Engines ~ 0 Rotate tires. See "Tire Inspection and Rotation" i n the Index for proper rotation pattern and additional information. See "Tires" in the Index. 17 Check rear/front axle fluid level and add fluid as needed. Check . constant velocity joints and axle seals for leaking. > .> -I--'- DATE ACTUAL MILEAGE SERVICED BY: 30,000 Miles (48000 km) 0 Change engine oil and filter (or every 3 months. whichever occurs first). Arz Elnissior? Control Service. 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 o c c ~ ~first). rs 0 Drain, flush and refill the cooling system with new coolant (or every 24 months, whichever occurs first). See "Engine Coolant" in the Index for what to use. Arz Emission CoI1trol Sewice. Also inspect the hoses and replace them if they are cracked, swollen or deteriorated. Tighten all hose clamps (exceptconstant tension clamps). Remove debris and clean the outside of the radiator and air conditioning condenser. Wash the radiator neck. To ensure proper operation, pressure test the radiator and cap. 7-84