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Exhaust System Removal/Installation: AWD: 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 MANIFOLD INSULATOR INSTALLATION NOTE (2WD) .)
  4. Install in the reverse order of removal.

Step 1 

Fig 1: Exhaust System Components With Torque Specification - AWD (Step 1)
G13713809Courtesy 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 (AWD) .)
7 HO2S
(See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION .)
8 TWC

Step 2 

Fig 2: Exhaust System Components With Torque Specification - AWD (Step 2)
G13713810Courtesy 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 (AWD) .)
(See EXHAUST MANIFOLD INSULATOR INSTALLATION NOTE (AWD) .)
5 Exhaust manifold (WU-TWC)
(See EXHAUST MANIFOLD REMOVAL NOTE (AWD) .)
(See EXHAUST MANIFOLD INSTALLATION NOTE (AWD) .)
6 Exhaust manifold gasket