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Exhaust System Removal/Installation: 2WD: Notes

  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  2. Remove in the order indicated in the table.
  3. Remove the insulator. (See EXHAUST SYSTEM INSULATOR REMOVAL/INSTALLATION (2WD) .)
  4. Install in the reverse order of removal.

Step 1 

Fig 1: Exhaust System Components With Torque Specification - 2WD (Step 1)
G13713800Courtesy of MAZDA MOTORS CORP.
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 (2WD) .)
7 HO2S
(See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION .)
8 TWC

Step 2 

Fig 2: Exhaust System Components With Torque Specification - 2WD (Step 2)
G13713801Courtesy 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 (2WD) .)
(See EXHAUST MANIFOLD INSULATOR INSTALLATION NOTE (2WD) .)
5 Exhaust manifold (WU-TWC)
(See EXHAUST MANIFOLD REMOVAL NOTE (2WD) .)
(See EXHAUST MANIFOLD INSTALLATION NOTE (2WD) .)
6 Exhaust manifold gasket