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How to Remove a Catalytic Converter in a 1991 Buick

A catalytic converter can become clogged over time and need to be replaced. A clogged converter will cause a lot of back pressure in the engine, which results in poor fuel economy and loss of power to the engine. Your 1991 Buick will feel like its struggling when you need the power the most. The catalytic converter can be easily removed from the car, and the process only takes about 30 minutes.

Instructions

1

Park your Buick on a level surface and set the parking brake.

2

Place a wheel chock in front of one of the front tires.

3

Raise your Buick with an automobile jack and place a jack stand under the vehicles frame near a jack point for safety.

4

Remove the connecting bolts from the front end of the catalytic converter with the proper sized wrench and remove the bolts from the back end.

5

Remove the catalytic converter from the exhaust system.