Exhaust System Removal/Installation : Notes

WARNING:

A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system.

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove in the order indicated in the table.
Remove the exhaust system insulator. (See EXHAUST SYSTEM INSULATOR REMOVAL/INSTALLATION .)

Install in the reverse order of removal.

Step 1

Fig 1: Exhaust System Components Location With Torque Specifications (Step 1) (2 Of 2)

Courtesy of MAZDA MOTORS CORP.

COMPONENT OPERATIONS

Component no.	Refer to
1	Main silencer (See FLANGE SURFACE INSTALLATION NOTE .)
2	Seal ring (See SEAL RING REMOVAL NOTE .) (See SEAL RING INSTALLATION NOTE .)
3	HO2S (See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [SKYACTIV-G 2.0] .)
4	Tunnel member
5	Member bracket (with member bracket)
6	TWC (See FLANGE SURFACE INSTALLATION NOTE .)

Step 2

Fig 2: Exhaust System Components Location With Torque Specifications (Step 2) (2 Of 2)

Courtesy of MAZDA MOTORS CORP.

COMPONENT OPERATIONS

Component no.	Refer to
1	Exhaust manifold insulator (See EXHAUST MANIFOLD INSULATOR REMOVAL NOTE .) (See EXHAUST MANIFOLD INSULATOR INSTALLATION NOTE .)
2	A/F sensor (See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION [SKYACTIV-G 2.0] .)
3	Bracket (See BRACKET INSTALLATION NOTE .)
4	Exhaust manifold (WU-TWC) (See EXHAUST MANIFOLD REMOVAL NOTE .) (See EXHAUST MANIFOLD INSTALLATION NOTE .)
5	Gasket