Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

Mazda 3 Service Manual: Exhaust System Removal/Installation [Mzr 2.0, Mzr 2.5]

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.

1. Remove the battery cover..

2. Disconnect the negative battery cable..

3. Remove the plug hole plate..

4. Remove in the order indicated in the table.

5. Remove the insulator..

6. Install in the reverse order of removal.

MZR 2.0


1

Main silencer

2

Tunnel member (rear)

3

TWC

4

HO2S

(See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5].)

5

A/F sensor

(See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5].)

6

Exhaust manifold insulator

(See Exhaust Manifold Installation Note.)

7

insulator

8

Exhaust manifold bracket

9

Exhaust manifold

(See Exhaust Manifold Removal Note.)

10

Exhaust manifold gasket


MZR 2.5 (Except for Mexico)


MZR 2.5 (Mexico)


1

Main silencer

2

Tunnel member (rear)

3

TWC

4

HO2S

(See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5].)

5

A/F sensor

(See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5].)

6

insulator

7

Exhaust manifold insulator

(See Exhaust Manifold Installation Note.)

8

Exhaust manifold bracket

9

Exhaust manifold

(See Exhaust Manifold Removal Note.)

10

Exhaust manifold gasket


Exhaust System Insulator Removal/installation Note

1. Remove the exhaust system insulator in the order shown in the figure.

2. Install in the reverse order of removal.


1

Insulator (rear No.1)

(See Insulator (Rear No.1, No.2, No.3) Removal Note.)

2

Insulator (rear No.2)

(See Insulator (Rear No.1, No.2, No.3) Removal Note.)

3

Insulator (rear No.3)

(See Insulator (Rear No.1, No.2, No.3) Removal Note.)

4

Insulator (middle No.1)

5

Insulator (middle No.2)

6

Insulator (front)

(See Insulator (Front) Removal Note.)


Insulator (Rear No.1, No.2, No.3) Removal Note

NOTE:

  • The insulator (rear No.1, No.2, No.3) are installed using rivets.

1. Push out the mandrel using a hammer and punch (2—2.8 mm {0.08—0.11 in} diameter).


2. Remove the flange using a drill (5 mm {0.20 in} drill bit).


Insulator (Front) Removal Note

1. Remove the tunnel member (front).

2. Remove the insulator (front).

Exhaust Manifold Removal Note

1. Windshield wiper arm and blade..

2. Remove the cowl grille..

3. Remove the windshield wiper motor..

4. Remove the cowl panel..

5. Remove the exhaust manifold.

Exhaust Manifold Installation Note

1. Temporarily tighten the exhaust manifold installation nuts.

2. Tighten the exhaust manifold new installation nuts in the order shown in the figure.


  • Tightening torque
  • 43—64 N·m {4.4—6.5 kgf·m, 32—47 ft·Ibf}

Exhaust Manifold Insulator Installation Note

1. Temporarily tighten the exhaust manifold insulator.

2. Tighten the exhaust manifold insulator in the order shown in the figure.

MZR 2.0


MZR 2.5


  • Tightening torque
  • 8—10 N·m {82—101 kgf·cm, 71—88 in·Ibf}

Other materials:

PID/Data Monitor Inspection [Two Step Deployment Control System]
1. Connect the M-MDS (IDS) to the DLC-2. 2. After the vehicle is identified, select the following items from the initialization screen of the IDS. a. Select “DataLogger”. b. Select “Modules”. c. Select “RCM”. 3. Select the applicable PID from the PID table. 4. Verify the PID data a ...

i-ELOOP
On conventional vehicles, the kinetic energy that is generated when the vehicle is decelerated by applying the brakes or during engine braking ends up being discarded as heat.

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  • Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Exhaust System RemovalInstallation Mzr 2.0, Mzr 2.5