1994 GMC Suburban Owner's Manual - Page 358

Lap and Shoulder Belts Condition and Operation Inspect belt system, including webbing, buckles, latch plates, retractors, guide loops and anchors. Have a belt assembly replaced if the webbing has been cut or otherwise damaged. Body Lubrication Service Lubricate all body door hinges with engine oil. Also lubricate the tailgate, tailgate handle pivot points, and tailgate mounted spare tire carrier (if equipped). Lubricate the body hood, fuel door and rear compartment hinges, latches and locks including interior glove box and console doors,and any folding seat hardware. Lubricate the hood safety lever pivot and prop rod pivot. More frequent lubrication may be required when exposed to a corrosive environment. Periodic Maintenance Inspections- Listed below are inspections and services which should be performed at least twice a year (for instance each You should let your GM dealer's service department or other spring or fall). qualified service center do these jobs. Make sure any necessary repairs are completed at once. Steering and Suspension Inspection*f 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 hoses for proper hook-up, binding, leaks, cracks, chafing, etc. Lubricate the steering linkage. 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. Exhaust System Inspection Inspect the complete system including the three-way catalytic converter. Inspect the body near the exhaust system. Look for broken, damaged, missing or out-of-position parts, as well as, open seams, holes, loose connections or otherconditions which could cause a heat buildup in the floor pan or could let exhaust fumes seep into the passenger compartments. Drive Axle Service? Check rearm-ont axle fluid level and addas 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 heavy-duty or off-road use. ?A fluid loss in these systems may indicate a problem. Have them inspected and repaired at once. 7-24