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:

Liftgate Recess Removal/Installation
1. Insert a tape-wrapped flathead screwdriver in the position indicated by the arrow in the figure and detach hooks A. 2. Remove the liftgate recess in the direction of the arrow shown in the figure avoiding hooks B. 3. Install in the reverse order of removal. ...

Rear Side Marker Light Bulb Removal/Installation
1. Disconnect the negative battery cable.. 2. Insert a tape-wrapped flathead screwdriver into the service hole in the position shown in the figure. 3. Move the flathead screwdriver in the direction of the arrow (1) shown in the figure, pull out the service hole cover, and detach the serv ...

Outer Mirror Glass Removal
1. Disconnect the negative battery cable.. 2. Press area A of the outer mirror glass shown in the figure so that area B moves outward. 3. Put your hand on the lower part of the outer mirror glass and while supporting the hatch-marked area shown in the figure, remove pin C in the directio ...