Exhaust System Alignment for Buick Century 1998

This vehicle uses exhaust pipe hanger insulators to mount the exhaust system to the underbody at fixed points. Refer to Exhaust System Clearances if exhaust system noises and/or vibrations are present.

1. Inspect the exhaust system clearance specifications anytime all or part of the exhaust system is removed and/or replaced.
2. Inspect for missing or damaged exhaust pipe hanger insulators and/or inspect for a damaged catalytic converter support bracket near the transmission if the specifications measured on the vehicle are not consistent with the Exhaust System Clearances.
3. Inspect for underbody damage under the following conditions:

•	All the exhaust system supporting devices are in good condition.

•	The exhaust system has no damage.