1998 GMC Savana Van Owner's Manual - Page 354

Part C: Periodic Maintenance Inspections Listed below are inspections and services which should be performed at leasttwice a year (for instance, each spring and fall). You should let pour 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 services may be found in a service manual.See "Service and Owner Publications" in the Index. 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 openseams, 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. Engine Cooling System Inspection Inspect the hoses and have them replaced they are if cracked, swollen or deteriorated. Inspect all pipes, fittings and clamps; replace as needed. Clean the outside of the radiator andair conditioning condenser. To help ensure proper operation, a pressure test the cooling of system and pressurecap is recommended atleast once a year. 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. 7-42