Exhaust System Inspection

1. Start the engine and inspect each exhaust system component for exhaust gas leakage.
   • If there is leakage, repair or replace the appropriate component. (See EXHAUST SYSTEM REMOVAL/INSTALLATION .)

Criteria for Determining Crack in Exhaust Manifold 

• If there is a crack in the location shown in the figure, there is no problem with the exhaust manifold and it does not need to be replaced.

  Courtesy of MAZDA MOTORS CORP.