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:

High Mount Brake Light Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the liftgate upper trim.. 3. Remove the rear spoiler.. 4. Disconnect the connector. 5. While pressing the high-mount brake light tab in the direction of arrow (1) shown in the figure, press the high-mount brake light in the direction ...

Battery Recharging [Skyactiv G 2.0]
Using GR8-1291: (See GR8-1291 INSTANT TRAINING MODULE (VIDEO).) WARNING: Keep all flames away from the battery, otherwise evaporated gas from the battery fluid may catch fire and cause serious injury. 1. Remove the battery filler caps and check the water level. If necessary, add ...

Cylinder Head Gasket Replacement
WARNING: A hot engine can cause severe burns. Turn off the engine and wait until it is cool before servicing. Fuel vapor is hazardous. It can very easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel. Fuel line spills and leakag ...