1995 GMC Yukon Owner's Manual - Page 449

Maintenance Schedule II - Diesel Engines 10,000 Miles (16 000 km) 0 Change engine oil and filter (or every 12 months, whichever o c c ~ ~ r s fisst). AIIEmission Co11trol Service. Lubricate the front suspension, king pin bushings, steering linkage, transmission shift linkage, transfer caseshift 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 (-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 set-vice items at this mileage interval (or every 12 months, whichever occurs first). I 0 Inspect shields and underhood insulation for damage or looseness. Adjust or replace as required. This is a Noise Emission Control Service. Applicable only to vehicles sold in the United States. properly sealed and that all hose connections, fasteners and other components are tight. Also check to be sure that the air cleaner housing is properly seated, the cover fits tightly and the wing nuts are tight. Tighten connections and fasteners or replace damaged parts as necessary. This is a Noise Emission Control Service. Applicable only to vehicles soldin the United States. 0 Check the air intake system installation to assure that gaskets are 17 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. 0 Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. ':I j:: 7-8 1