Mazda CX-5 Service & Repair Manual: Non Return Valve
Purpose, Function
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Assures safety by preventing fuel from returning to the fuel filler opening.
Construction
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The non-return valve cannot be removed as it is installed inside the fuel tank.
2WD
AWD
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A single valve type has been adopted for the non-return valve.
Operation
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Normally, the valve is closed as shown by the dotted line in the figure. When refueling, it opens as shown by the solid line due to the force caused by the flow of fuel. When refueling is finished, the valve returns to the normal valve position by spring force.
Non Return Valve Inspection
WARNING:
Fuel is very flammable liquid. If fuel spills or leaks from the pressurized
fuel system, it will cause serious injury or death and facility breakage. Fuel
can also irritate skin ...
Plug Hole Plate Removal/Installation
CAUTION:
If the rubber on only one side of the plug hole plate front is lifted up,
it could damage the adapter at the location shown in the figure. When removing
the plug hole plate, lif ...
Other materials:
Fuel Pump Control Module Inspection
1. Perform the KOEO self-test..
2. Verify that a fuel pump control module related DTC is detected..
If DTCs are detected, repair the malfunctioning part according to the applicable
DTC troubleshooting..
If a DTC is not detected, go to the next step.
3. Inspect the followin ...
Engine Oil Control
Outline
The PCM reduces the oil pump load applied to the engine by controlling the
appropriate engine hydraulic pressure according to the engine operation conditions.
The engine hydraulic pressure switches in two steps. When hydraulic pressure
is not needed, the oil pump dischar ...
Front Seat Side Cover Removal/Installation
WARNING:
Handling a side air bag improperly can accidentally operate (deploy) the
air bag, which may seriously injure you. Read the service warnings in the Workshop
Manual before handling the front seat (side air bag integrated)..
If the sliding mechanisms on both sides are ...
