1996 GMC Safari Owner's Manual - Page 345

Part C: Periodic Maintenance Inspections Listed below are inspectionsand 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 completed at once. Proper procedures to perform these servicesmay be found in a GM Service Manual. See "Service and Owner Publications" in the Index. Ex]-x s t 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 seams, 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. Radiator and Heater Hose Inspection Inspect the hoses and have them replaced if they are cracked, swollen or deteriorated.Inspect all pipes, fittings and clamps; replace as needed. 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 the power steering lines and hoses for proper hook-up, binding, leaks, cracks, chafing, etc. Throttle Linkage Inspection Inspect the throttle linkage for interference or binding, and for damage or missing parts. Replace parts as needed. Replace any cables that have high effort or excessive wear. Do not lubricate accelerator and cruise control cables. 7-45