1995 GMC Yukon Owner's Manual - Page 464

Part C: Periodic Maintenance Inspections Listed below are inspections and services which should be performed at should let your least twice a year (for instance, each spring and fall). YOLI GM dealer's service department or other qualified service center do these jobs. Make sure any necessary repairs are completed at once. Steering and Suspension Inspection Inspect the front and rear suspension and steering system for damaged, loose or missing parts, signs of wear, or lack of lubrication. Inspect power steering lines and hoses for proper hookup, binding, leaks, cracks, chafing, etc. (On vehicles equipped with manual steering gear, check for seal leakage.) Exhaust System Inspection Inspect the complete exhaust system. Inspect the body near the exhaust system. Look for broken, damaged, missing or out-of-position parts as well as open seanls, holes, loose connections, or other conditions which could cause a heat build-up in the floor pan or could let exhaust fumes into the vehicle. See "Engine Exhaust" in the Index. Accelerator Control System On gasoline engines, lubricate the pivot at the TBI throttle lever stud with engine oil. Do not oil any accelerator or cruise control cables. Replace any cables that have high effort or excessive wear. Drive Axle Service Check redfront axle fluid level and add as needed. Check constant velocity joints and axle seals for leaking. Transfer Case (Four- Wheel Drive) Inspection Every 12 months or at oil change intervals, check front axle and transfer case and add lubricant when necessary. Oil the control lever pivot point and all exposed control linkage. Check vent hose at transfer case for kinks and proper installation. More frequent lubrication may be required on off-road use. 7-96