Exhaust System Removal/Installation: 2WD: Notes

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION [(US)] .)
Remove the floor under cover No. 1 (RH). (With Mazda M Hybrid) (See FLOOR UNDER COVER REMOVAL/INSTALLATION .)
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

Fig 1: Exhaust System Components With Torque Specification - Step 1 (2WD)

Courtesy of MAZDA MOTORS CORP.

PART DESCRIPTION

1	Main silencer
2	Tunnel cover (See Tunnel cover Installation Note .)
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 [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))].)
8	TWC

Step 2

Fig 2: Exhaust System Components With Torque Specification - Step 2 (2WD)

Courtesy of MAZDA MOTORS CORP.

PART DESCRIPTION

1	A/F sensor (See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION .)
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