1993 Pontiac Bonneville Owner's Manual - Page 291

Maintenance Schedule Section C: Periodic Maintenance Inspections Listed below are inspections and services which should be performed at least twice a year (for instance, spring and fall). each You should let your GM dealer'sservice department or other qualified service center do thesejobs. Make sure any necessary repairs are completed at once. - INSPECTION OR SERVICE WHAT SHOULD BE DONE Steering, Suspension and Front-Wheel-Drive Axle Boot and Seal Inspection Exhaust System 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 hookup, binding, leaks, cracks, chafing, etc. Clean and then inspect the drive axle boot seals for damage, tears or leakage. Replace seals if necessary. 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 couldcause a heat build-upin the floor pan or could let exhaust fumes into the vehicle. See the Index under Engine Exhaust. Inspect the throttle linkage for interference or binding, and for damaged or missing parts. Replace parts as needed. Inspect the complete system. Inspect brake lines and hoses for proper hookup, binding, leaks, cracks, chafing, etc. Inspect disc brake pads for wear and rotors for surface condition. Also inspect drum brake linings for wear and cracks. Inspect other brake parts, including drums, wheel cylinders, calipers, parking brake, etc. Check parking brake adjustment. may need to You have yourbrakes inspected more often if your habits or conditions result frequent braking. driving in NOTE: A low brake fluid levelcan indicate worn disc brake pads whichmay need to be serviced. Also, if the brake system warning light stays on or comes on, something may be wrong with the brake system. See the Index under Brake System Warning Light. If your anti-lock brake system warning light stayson or comes on, something may be wrong with the anti-lock brake system. See the Index under Anti-Lock Brake System Warning Light. Throttle Linkage Inspection Brake System Inspection I