Mazda CX-5 Service & Repair Manual: Exhaust Gas Purification System
Purpose, Outline
-
Purifies contaminants (HC, CO, NOx) in the exhaust gas by utilizing the chemical reactions of the three-way catalytic converter.
System Diagram
Structure
-
The exhaust gas purification system consists of the following parts:
|
Part name |
Reference |
|
WU-TWC |
(See CATALYTIC CONVERTER [SKYACTIV-G 2.0].) |
|
TWC |
Evaporative Emission (Evap) Control System
Purpose, Outline
Prevents release of evaporative gas into the atmosphere.
The intake manifold vacuum introduces evaporative gas to the intake manifold
via the charcoal canister and t ...
Positive Crankcase Ventilation (PCV) System
Purpose, Outline
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The intake manifold vacuum introduces blow-by gas to the intake manifold
via the PCV valve and the ...
Other materials:
Clutch Cover Inspection [C66 M R]
1. Remove the clutch cover..
2. Perform the following procedures to inspect the clutch cover.
If it exceeds the maximum specification, replace the clutch cover..
a. Measure the wear of the diaphragm spring fingers.
Clutch cover diaphragm spring fingers maximum depth
0.6 ...
Anticorrosion, Sound Insulation, And Vibration Insulation
Body Sealing
Apply body sealer where necessary.
For locations where application of body sealer is difficult after installation,
apply it before installation.
Application of Undercoating
Apply an undercoat to the required location of the body.
Application ...
Audio Unit Removal/Installation
Removal
1. Disconnect the negative battery cable.
2. Remove the decoration panel..
3. Remove the bolt.
4. Remove the screws.
NOTE:
When removing the audio unit, the audio unit could interfere with the climate
control unit and scratch the climate control unit. Perform the serv ...
