Mazda CX-5 Service & Repair Manual: Exhaust System

Mazda CX-5 Service & Repair Manual / Engine / Exhaust & Emissions / 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 loop structure of the exhaust pipes for the 4-2-1 system takes up less space.

Structural View

2WD

AWD

System Diagram

Structure

The exhaust system consists of the following parts:


Part name	Reference
Main silencer	(See MAIN SILENCER [SKYACTIV-G 2.0].)
Presilencer	(See PRESILENCER [SKYACTIV-G 2.0].)
TWC	(See CATALYTIC CONVERTER [SKYACTIV-G 2.0].)
WU-TWC	(See CATALYTIC CONVERTER [SKYACTIV-G 2.0].)
Exhaust manifold	(See EXHAUST MANIFOLD [SKYACTIV-G 2.0].)

Exhaust System Removal/Installation

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. 2WD 1. Disconnect the negative b ...

Main Silencer

Purpose, Function Reduces the exhaust noise. Construction The main silencer is installed to the vehicle rear, under the trunk compartment. 2WD AWD The main ...

Other materials:

Front Under Cover No.1 Removal/Installation
1. Remove bolts A. 2. Remove screws B. 3. Remove fasteners C. 4. Remove the front under cover No.1 in the direction of the arrow in the order of (1), (2) shown in the figure while detaching the guide D. 5. Install in the reverse order of removal. ...

Oil Seal (Control Valve Body) Replacement [Fw6 A EL, Fw6 Ax EL]
1. Disconnect the negative battery cable.. 2. Remove the air cleaner component.. 3. Disconnect the control valve body connector. CAUTION: Make sure that your hand does not touch the terminal as the connector terminal could be damaged. Water or foreign objects entering th ...

Power Outer Mirror Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the inner garnish.. 3. Remove the front door trim.. 4. Insert a tape-wrapped flathead screwdriver into the service hole and remove hooks A in the direction of arrow (1). 5. Slide the service hole cover in the direction of the arrow ( ...