1998 GMC Safari Owner's Manual - Page 342

I Short TripKity Maintenance Schedule I # Lubricate the front suspension, ball joints and kingpin The services shown in this schedule up to 100,000 miles (166 000 km) should be performed after 100,000 miles (166 000 k ) the same intervals. The services shown m at at 150,000 miles (240 000 km) should be performed at the same interval after 150,000 miles 000 km). (240 See "Owner Checks and Services" and "Periodic Maintenance Inspections" following. bushings, steering linkage and transfer case linkage, shift parking brake cable guides, and brake pedal springs. + A good time to check your brakes is during tire rotation. See "Brake System Inspection" under "Periodic Maintenance Inspections" in P r C of this schedule. at ** Drive axle service (see "Recommended Fluids and Lubricants" in the Indexfor proper lubricant to use): 0 Footnotes The U.S. Environmental Protection Agencyor the California Air Resources Board has determined that the failure to perform this maintenance itemwill not nullify the emission warrantyor limit recall liability prior to the completion of the vehicle's useful life. however, We, urge that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded. 0 0 Locking Differential-- Drain fluid and refill at first engine oil change. At subsequentoil changes, check fluid level and add fluid as needed. driving in If dusty areas or towing a trailer, drain fluid and refill every 15,000 miles 000 km). (25 Standard Differential-- Check fluid level and add fluid as needed at every change. If driving in oil dusty areas or towing a trailer, drain fluid and refill every 15,000 miles(25 O00 km). More frequent lubrication may be requiredfor heavy-duty use.