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:
Returnless Fuel System
Purpose, Outline
Fuel evaporation in the fuel tank is reduced by adjusting the fuel amount
(fuel pressure) ejected from the fuel pump and preventing fuel warmed in the
engine compartment from returning.
System Diagram
2WD
AWD
Structure
The returnless fuel system ...
Liftgate Latch Switch
Purpose, Function
The switch turns on/off in conjunction with the rotation of the latch lever,
and it detects the open/closed condition of the liftgate by the voltage value
which is changed by the rear body control module (RBCM).
Construction
The switch is turned on/off by ...
Condenser Inspection
1. Inspect the condenser for cracks, damage, and oil leakage.
If there is any malfunction, replace the condenser.
2. Visually inspect for bent fins for clogging of foreign material.
If any fins are clogged, remove the foreign material.
3. Visually inspect for bent fins.
...
