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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 .)
  4. Install in the reverse order of removal.

    Step 1 

    Fig 1: TWC Components With Torque Specification (2WD)
    G13557326Courtesy of MAZDA MOTORS CORP.
    COMPONENT 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 H02S
    (See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION .)
    8 TWC

    Step 2 

    Fig 2: Exhaust System Components With Torque Specification (2WD)
    G13557327Courtesy of MAZDA MOTORS CORP.
    COMPONENT 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
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