Exhaust System Inspection
1. Inspect the following components for cracked joints, broken welds, and corrosion damage, which could permit exhaust fumes to seep into the rear compartment or passenger compartment:^ Inspect the exhaust pipes.
^ Inspect the exhaust seals.
^ Inspect the catalytic converters.
^ Inspect the mufflers.
^ Inspect the tailpipes.
2. Inspect the exhaust system, including the heat shields. The exhaust system must be free from the following conditions:
^ Leaks.
^ Binding.
^ Grounding.
^ Excessive Vibration.
3. The following conditions usually cause conditions such as leaks, binding, grounding and excessive vibration:
^ Loose or damaged flange bolts.
^ Loose or damaged exhaust seals.
^ Loose or damaged heat shields.
^ Loose or damaged brackets.
^ Loose or damaged pipes.
4. Align and replace misaligned or damaged components, as necessary.