1994 GMC Safari Owner's Manual - Page 306

Periodic Maintenance Inspections Listed below are inspections and services which should be performed at least twice a year (for instance, each spring and fall). You should let your GM dealer's service department or other qualified service center do these jobs. Make sure any necessary repairs are completedat once. Steering and Suspension Inspection?- Inspect 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 hosesfor proper hook-up, binding, leaks, cracks, chafing, etc. Lubricate the steering linkage. Accelerator Control System Lubricate all pivot points with engine oil, except the TBI throttle shaft. Do not lubricate the cam pulley.Remove all external deposits from pulley. Do not oil any accelerator or cruise control cables. Replace any cables that have high effort or excessive wear. Exhaust System Inspection Inspect the complete system. Inspect the body near the exhaust system. Lookfor broken, damaged, missingor out-of-position parts, as well as open seams, holes, loose connections or other conditions which could causea heat buildup in the floor pan or could let exhaust fumes seep into the passenger compartments. See "Engine Exhaust'' in the Index. Drive Axle Service Check readfront axle fluid level and add needed. as Check constant velocity joints and axle seals for leaking. Transfer Case (all-wheel drive) Inspection? Every 12 months or at oi.1 change intervals, check front axle and transfer case and addlubricant when necessary. Oilthe control lever pivot point (exceptL Van) and all exposed control linkage. Check vent hose at transfer for kinks and proper case installation. -f- A fluid loss in these systems may indicate a problem. Have them inspected and repaired at once. 7-12