1995 GMC Yukon Owner's Manual - Page 419

Maintenance Schedule I - Gasoline Engines Heavy Duty Emissions (Contirzued) 0 Check readfront axle tluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.":'!: DATE ACTUAL MILEAGE SERVICED BY: 60,000 M / e s (100 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emissiorl 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 IO" F (-1 2" 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). Check readfront axle tluid level and add fluid as needed. Check .!*.!* constant velocity joints and axle seals for leaking:#-Inspect air cleaner filterif you are driving in dusty conditions. Replace fi I ter if necessary. A I IEmissioIl Colm-ol Sen*ic*e. Replace fuel filter. Replace filter sooner if it is clogged.? Inspect spark plug wires. AH EnIission Co11tro1 ScJr-\lice. * 7-5 1