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Mazda CX-5 Service & Repair Manual: Exhaust System Removal/Installation

Mazda CX-5 Service & Repair Manual / Engine / Exhaust & Emissions / Exhaust System Removal/Installation

WARNING:

2WD

1. Disconnect the negative battery cable..

2. Remove in the order indicated in the table.

3. Remove the insulator..

4. Install in the reverse order of removal.

Step 1



1

Main silencer

2

Insulator

3

Brace bar

(See Brace bar removal note.)

4

HO2S

(See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

5

Tunnel member

6

TWC


Step 2



1

A/F sensor

(See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

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


Exhaust system insulator removal/installation

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

2. Install in the reverse order of removal.



1

Insulator (rear)

(See Insulator (rear) removal note.)

2

Insulator (middle)

3

Insulator (front)


Insulator (rear) removal note

NOTE:

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).


Brace bar removal note

1. Remove the floor under cover..

2. Remove the brace bar.

Exhaust manifold insulator removal note

1. Remove the insulator as shown in the figure.


2. Remove the No.1 engine mount rubber..

3. Move the engine.

4. Remove the exhaust manifold insulator.

Exhaust manifold removal note

NOTE:

1. Remove the front crossmember..

2. Remove the exhaust manifold.

Exhaust manifold installation note

1. Temporarily tighten the exhaust manifold installation nuts (1) and (2) shown in the figure by hand.


2. Tighten the exhaust manifold installation nuts (1) and (2) shown in the figure to 33—53 N·m {3.4—5.4 kgf·m, 25—39 ft·lbf}

.

3. Temporarily tighten the exhaust manifold installation nuts (3) to (5) shown in the figure by hand.


4. Tighten the exhaust manifold installation nuts (3) to (5) shown in the figure.

5. Tighten the exhaust manifold installation nuts (1) and (2) shown in the figure.

6. Temporarily tighten the bolts (6) and (7) shown in the figure.


7. Tighten the bolt (6) shown in the figure.

8. Tighten the bolt (7) 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.


AWD

1. Disconnect the negative battery cable..

2. Remove in the order indicated in the table.

3. Remove the insulator..

4. Install in the reverse order of removal.

Step 1



1

Main silencer

2

HO2S

(See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

3

TWC


Step 2



1

A/F sensor

(See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

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


Exhaust system insulator removal/installation

1. Remove the propeller shaft..

2. Remove in the order indicated in the table.

3. Install in the reverse order of removal.



1

Insulator (rear)

(See Insulator (rear) removal note.)

2

Insulator (middle)

3

Insulator (front)


Insulator (rear) removal note

NOTE:

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).


Exhaust manifold insulator removal note

1. Remove the insulator as shown in the figure.


2. Remove the exhaust manifold insulator.

Exhaust manifold removal note

NOTE:

1. Remove the front crossmember..

2. Remove the exhaust manifold.

Exhaust manifold installation note

1. Temporarily tighten the exhaust manifold installation nuts (1) and (2) shown in the figure by hand.


2. Tighten the exhaust manifold installation nuts (1) and (2) shown in the figure to 33—53 N·m {3.4—5.4 kgf·m, 25—39 ft·lbf}

.

3. Temporarily tighten the exhaust manifold installation nuts (3) to (5) shown in the figure by hand.


4. Tighten the exhaust manifold installation nuts (3) to (5) shown in the figure.

5. Tighten the exhaust manifold installation nuts (1) and (2) shown in the figure.

6. Temporarily tighten the bolts (6) and (7) shown in the figure.


7. Tighten the bolt (6) shown in the figure.

8. Tighten the bolt (7) 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.


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Purpose, Function By lengthening the exhaust passage, the transmission of exhaust pressure waves to other cylinders can be delayed, and the amount of gas exhausted from a cylinder and for ...

Exhaust System
Purpose, Outline A 4-2-1 exhaust system has been adopted which reduces residual gas in the cylinders using the scavenging effect and contributes to a high compression ratio. The l ...

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