Visual inspection of the exhaust system (VW Passat B3)

Raise the car.

Check the reliability of the clamps.

Inspect the exhaust system with a lamp to detect holes, rusted parts, and worn areas.

Replace noisy exhaust pipes.

Check the rubber brackets for porosity by twisting and stretching them and replace them if necessary.

Vehicles with a catalytic converter: Check the electrical connector and the tightness of the oxygen sensor mounting.