1995 GMC Yukon Owner's Manual - Page 406

Maintenance Schedule I - Gasoline Engines Heavy Duty Emissions (Contirzued) 0 If your engine has a thermostatically controlled cooling fan, inspect all hoses and ducts for proper hook-up (or every 12 months, whichever occurs first). Be sure the valve works properly. This is a Noise Emission Control Service. Applicable only vehicles sold in the to United States. I DATE I ACTUALMILEAGE I SERVICED BY: I 15,000 Miles ( 5000 km) 2 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Ernission 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 12 months, whichever occurs first). 0 Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.** DATE ACTUAL MILEAGE SERVICED BY: 7-38