Warning: Refer to Hot Exhaust System Warning in the Preface section.

Note: Refer to Symptoms - Engine Exhaust prior to beginning this table.

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

Caution: Refer to Fastener Caution in the Preface section.

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 components 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 procedure for service.

Muffler is damaged or leaking at the seams

Replace the affected muffler. Refer to Exhaust Muffler Replacement.