Mazda CX-5 Service & Repair Manual: Check Valve
Except U.S.A. And CANADA
Purpose, function
-
The check valve maintain the pressure in the fuel tank at constant pressure.
Construction
-
The check valve is installed to the side of the charcoal canister.
-
Mainly consists of valve, umbrella, and spring.
Operation
-
The valve moves in response to the difference in air pressure between the fuel tank side and the atmospheric side, thereby changing the path of airflow.
-
When the pressure in the fuel tank becomes negative due to fuel consumption or other factors, the path opens, drawing atmospheric air into the fuel tank.
Check Valve Removal/Installation
Except U.S.A. And CANADA
1. Remove the floor under cover..
2. Remove in the order indicated in the table.
1
Evaporative hose
2
Check valve
...
Emission System
Purpose, Outline
A single-nano catalyst has been adopted for the under-floor, three-way catalyst
to improve emission gas purification efficiency.
Structural View
Engine compartment si ...
Other materials:
Fuel Injector Relay
Purpose, Function
Supplies power to the PCM for the fuel injector and spill valve control solenoid
valve operation.
Construction
The fuel injector relay is installed in the relay and fuse block.
Operation
When the ignition is switched ON, the battery voltage ...
Variable Valve Timing Mechanism
Outline
Achieves optimum valve timing according to the driving conditions by the
variable valve timing mechanism changing the phases of the camshaft.
An electric type variable valve timing mechanism on the intake side and a
hydraulic pressure type on the exhaust side has been ad ...
Parking/Front Turn Light Bulb Removal/Installation
Halogen Type
1. Disconnect the negative battery cable..
2. Rotate the socket in the direction of the arrow (1) shown in the figure and
remove it from the front combination light in the direction of the arrow (2) shown
in the figure.
3. Remove the parking/front turn light bulb.
4. ...
