Mazda 3 manuals

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

Mazda 3 Service Manual / Engine / Exhaust & Emissions / Exhaust System Removal/Installation [Mzr 2.0, Mzr 2.5]

WARNING:

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:

1. Push out the mandrel using a hammer and punch (22.8 mm {0.080.11 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.


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


Exhaust System Inspection [Mzr 2.0, Mzr 2.5]
1. Start the engine and inspect each exhaust system component for exhaust gas leakage. If there is leakage, repair or replace the appropriate component.. ...

Forced Induction
...

Other materials:

Base Installation
1. Cut away all of the original sealant using a razor. WARNING: Using a razor with bare hands can cause injury. Always wear gloves when using a razor. 2. Clean and degrease the ceramic coating on the glass and the base. CAUTION: Keep the area free of dirt and grease, and ...

Maintenance of the Active Driving Display
The combiner and mirror surface have a special coating. When cleaning, do not use a hard or rough-surface cloth, or cleaning detergent. In addition, if a chemical solvent gets on the active driving display, wipe it off immediately. Otherwise, the combiner and mirror could be damaged and the s ...

Tires
For reasons of proper performance, safety, and better fuel economy, always maintain recommended tire inflation pressures and stay within the recommended load limits and weight distribution. WARNING Using Diff erent Tire Types: Driving your vehicle with diff erent types of tires ...

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