DEFINITION: An exhaust leak may show stains at the area of the leak. The leak may be felt by holding a hand close to the suspected areas or using a smoke pencil. The leak may make a popping or hissing noise.

Misaligned or improperly installed exhaust system components.

Align and tighten the components to the specifications. Refer to Fastener Tightening Specifications .

Exhaust leaks at the following connections:

Tighten the components to the specifications. Refer to Fastener Tightening Specifications .

Seals or gaskets leaking.

Replace the leaking seal or gasket. Refer to the affected component's procedure for service.

Exhaust manifold cracked or broken.

Replace the exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side or Exhaust Manifold Replacement - Right Side .

Exhaust system component connection welds leaking.

Replace the leaking component. Refer to the affected component's procedure for service.

Catalytic converter, muffler, or resonator, if equipped, damaged or leaking at the seams.

Replace the affected catalytic converter, muffler, or resonator. Refer to Catalytic Converter Replacement or Exhaust System Replacement .