Exhaust System Removal/Installation: 2WD: Notes
WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
- Remove in the order indicated in the table.
- Remove the insulator. (See EXHAUST SYSTEM INSULATOR REMOVAL/INSTALLATION .)
- Install in the reverse order of removal.
Step 1
PART DESCRIPTION
| 1 | Main silencer |
| 2 | Tunnel cover (See TUNNEL COVER INSTALLATION NOTE (TYPE A) .) (See TUNNEL COVER INSTALLATION NOTE (TYPE B) .) |
| 3 | Brace bar (See BRACE BAR INSTALLATION NOTE .) |
| 4 | Tunnel member (See TUNNEL MEMBER INSTALLATION NOTE .) |
| 5 | Connector |
| 6 | TWC component (See TWC component Removal Note .) |
| 7 | HO2S (See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [(VIN M) (US) .) |
| 8 | Exhaust shutter valve connector |
| 9 | TWC |
Step 2
PART DESCRIPTION
| 1 | A/F sensor (See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION [(VIN M) (US) .) |
| 2 | Clip |
| 3 | Insulator |
| 4 | Exhaust manifold insulator (See EXHAUST MANIFOLD INSULATOR REMOVAL NOTE .) (See EXHAUST MANIFOLD INSULATOR INSTALLATION NOTE .) |
| 5 | Exhaust manifold (WU-TWC) (See EXHAUST MANIFOLD REMOVAL NOTE .) (See EXHAUST MANIFOLD INSTALLATION NOTE .) |
| 6 | Exhaust manifold gasket |