1997 Buick LeSabre Owner's Manual - Page 355

Part C: 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 departmentor other qualified service center do necessary repairs are these jobs. Make sure any completed at once. Proper procedures to perform these services may be and found in a GM service manual. See "Service 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 open seams, holes, loose connections or other conditions which could cause a heat build-up in the floor pan or could let exhaust fumes intothe 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, Suspension and Front Drive Axle Boot and Seal Inspection Inspect the front and rear suspension and steering system for damaged, looseor 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. Cleanand then inspect the drive axle boot seals for damage,tears or leakage. Replace seals if necessary. Throttle Linkage Inspection Inspect the throttle linkage for interference or binding, and for damage ormissing parts. Replace parts as needed. Replace any cables that have high effort or excessive wear. Do not lubricate accelerator and cruise control cables. 7-43