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 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)

Courtesy of MAZDA MOTORS CORP.

PART DESCRIPTION

1	Main silencer
2	Plate (See PLATE INSTALLATION NOTE .)
3	Brace bar (See BRACE BAR REMOVAL NOTE .) (See BRACE BAR INSTALLATION NOTE .)
4	Tunnel member (See TUNNEL MEMBER INSTALLATION NOTE .)
5	HO2S (See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION .)
6	TWC

Step 2

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

Courtesy of MAZDA MOTORS CORP.

PART DESCRIPTION

1	Insulator No. 1 (See INSULATOR NO. 1 REMOVAL NOTE .) (See INSULATOR NO. 1 INSTALLATION NOTE .)
2	A/F sensor (See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION .)
3	Insulator No. 2 (See INSULATOR NO. 2 INSTALLATION NOTE .)
4	WU-TWC (See WU-TWC Installation Note .)
5	Insulator No. 3
6	Dynamic pressure turbo (See DYNAMIC PRESSURE TURBO REMOVAL/INSTALLATION .)
7	Exhaust manifold (See EXHAUST MANIFOLD INSTALLATION NOTE .)