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:

Warm Up Three Way Catalytic Converter (Wu Twc) Inspection
CAUTION: Perform the following procedures, DTC P0421:00 is indicated only. 1. Connect the M-MDS to the DLC-2. 2. Start the engine and warm it up to normal operating temperature. 3. Turn off the engine. 4. Verify that the engine compression is within the specification.. If ...

Rear Door Hinge Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Rear door. b. Front scuff plate. c. Rear scuff plate. d. B-pillar lower trim. 3. Remove in the order shown in the figure. 1 Bolt 2 Nut 3 ...

Air Bag Module And Pre Tensioner Seat Belt Disposal Procedures [Two Step Deployment Control System]
WARNING: A live (undeployed) air bag module, pre-tensioner seat belt or lap pre-tensioner seat belt may accidentally operate (deploy) when it is disposed of and cause serious injury. Always refer to the “AIR BAG MODULE AND PRE-TENSIONER SEAT BELT DEPLOYMENT PROCEDURES” and dispo ...