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:

Floor Covering Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Front scuff plate. b. Front side trim. c. Rear scuff plate. d. B-pillar lower trim. e. Rear seat cushion. f. Front seat. g. Lower anchor of the front seat belt (without lap pre-tensioner seat belt). h. La ...

Rear Coil Spring Removal/Installation
WARNING: Be careful not to allow the coil spring to fly off when removing/installing the coil spring. Otherwise, the coil spring could fly off and cause serious injury or death, or damage to the vehicle. 1. When working on the left side of the vehicle, disconnect the auto lev ...

Rear Side Frame Removal [Panel Replacement]
Symbol Mark Removal Procedure NOTE: When drilling the 35 locations indicated by (A) and 4 locations indicated by (C) shown in the figure, do not drill a hole all the way through or there could be a problem when installing the new part. 1. Drill the 35 locations indicated by ...