Mazda 6 Quiz
Fuel and emission control systems

Exhaust system

In this manual: Fuel and emission control systems
General information — 42Engine — 23Lubrication system — 10Cooling system — 9Fuel and emission control systems — 161Engine electrical system — 17Clutch — 21Manual transaxle — 10Automatic transaxle — 110Front and rear axles — 20Steering system — 15Braking system — 104Suspension — 34Body — 201Body electrical system — 287Heater and air conditioner systems — 89Technical data — 1Special tools — 1
~1min read
EXHAUST SYSTEM INSPECTION

Start the engine and inspect each exhaust system component for exhaust gas leakage.

  • If leakage is found, repair or replace as necessary.
EXHAUST SYSTEM REMOVAL/INSTALLATION Warning
  • When the engine and exhaust system are hot, they can badly burn. Turn off the engine and wait until they are cool before removing the exhaust system.

1. Disconnect the negative battery cable.

2. Remove in the order indicated in the table.

3. Install in the reverse order of removal.



HO2S Removal Note Remove the HO2S using the SST

before removing the exhaust manifold.


Exhaust Manifold Installation Note

Tighten the exhaust manifold installation nuts in the order shown.

Test yourself

A quick Mazda 6 quiz: every answer comes with an explanation and a link to the manual page.