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}
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:
Vehicle Speed Sensor (VSS) Removal/Installation [FS5 A EL]
CAUTION:
If foreign materials are stuck to the sensor, disturbance by magnetic flux
can cause sensor output to be abnormal and thereby negatively affect control.
Make sure that foreign materials such as iron filings are not stuck to the sensor
during installation.
1. Perform t ...
Receiver/Drier Removal/Installation
MZR 2.0, MZR 2.5, SKYACTIV-G 2.0
1. Disconnect the negative battery cable..
2. Discharge the refrigerant..
3. Remove the aerodynamic under cover No.2..
4. Remove the aerodynamic under cover No.1..
5. Remove the front bumper..
6. Disconnect the block joint type pipes by grasping female sid ...
Liftgate Upper Trim Removal/Installation
1. Detach tab while pulling the liftgate upper trim in the direction of the arrow
(1) shown in the figure, then detach clips and pin while pulling in the direction
of the arrow (2).
2. Detach tab while pulling the liftgate upper trim in the direction of the arrow
(3) shown in the figure, ...
