Mazda CX-5 Service & Repair Manual: Check Valve
Except U.S.A. And CANADA
Purpose, function
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The check valve maintain the pressure in the fuel tank at constant pressure.
Construction
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The check valve is installed to the side of the charcoal canister.
-
Mainly consists of valve, umbrella, and spring.
Operation
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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.
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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:
Engine Mount Disassembly/Assembly
No.1 Engine Mount (2WD)
1. Remove the front under cover No.2..
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
1
No.1 engine mount rubber
(See No.1 engine mount rubber removal note (2WD).)
(See No.1 engine mount inst ...
Manual Transaxle Oil Inspection [C66 M R]
1. Park the vehicle on level ground.
2. Remove the front under cover No.2..
3. Remove the oil level plug and gasket.
4. Verify that the manual transaxle oil is near the brim of the plug port.
When the manual transaxle oil level is lower than the lower limit, add manual
transaxl ...
Heated Oxygen Sensor (HO2 S)
Purpose/Function
Detects the oxygen concentration (theoretical air/fuel ratio) in the exhaust
gas as basic information for mainly determining the fuel injection amount and
as information for determining the deterioration of catalytic converter.
Detects the oxygen concentration ( ...
