1995 GMC Yukon Owner's Manual - Page 403

Maintenance Schedule I - Gasoline Engines Heavy Duty Emissions The services shown in this schedule up to 60,000 miles (100 000 km) should be performed after 60,000 miles ( 100 000 km) at the same intervals. Footnotes . G -+*-I* . I , Drive axle service: Locking Differential - Drain fluid and refill at first engine oil change. At subsequent oil changes, checkfluid level and add fluid as needed. If driving in dusty areas or towing a trailer, drain fluid and refill every 15,000miles (25 000 km). Standard Differential - Check fluid level and add fluid as needed at every engine oil change. If driving in dusty areas or towing a trailer, drain fluid and refill every 15,000 miles (25 00 km). More. frequent lubrication may be required for heavy-duty or off-road use. 3,000 Miles (5 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission 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 (-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 12 months, whichever occurs first). 17 Check readfront axlefluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.** I DATE I ACTUALMILEAGE I SERVICED BY: I 7-35