1995 GMC Yukon Owner's Manual - Page 412

r ~~ Maintenance Schedule I - Gasoline Engines Heavy Duty Emissions 36,000 Miles (60 000 km) 0 Change engineoil and filter (orevery 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 (-12" C), orhigher. 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). Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.** 0 For 2-Wheel Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). 0 Inspect air cleaner filter if you are driving in dusty conditions. Replace filter if necessary. An Emission. Conrrol Service. Replace fuel filter. Replace filter sooner if it is clogged.? lnspect accessory drive (serpentine)belt for cracks, fraying and wear and check belt for proper tension. Adjust or replace belt as needed. An Emission Control Service. 17 Inspect shields and underhood insulation for damage or looseness. Adjust or replace as required. This is a Noise Emission Control Service. Applicable only vehicles soldin the United States. to 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 to vehicles soldin the United States. DATE ACTUAL MILEAGE SERVICED BY: b 7-44