Mazda CX-5 Service & Repair Manual: 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 and eyes. To prevent this, always complete the “Fuel Line Safety Procedure”, while referring to the “BEFORE SERVICE PRECAUTION”.
-
A person charged with static electricity could cause a fire or explosion, resulting in death or serious injury. Before draining fuel, make sure to discharge static electricity by touching the vehicle body.
1. Complete the “BEFORE SERVICE PRECAUTION”..
2. Disconnect the negative battery cable..
3. Using the following procedure:
-
6:4 split type
-
Remove the rear seat cushion..
-
4:2:4 split type
-
Set the rear seat aside as shown in the figure..
4. Remove the fuel pump unit..
5. Drain the fuel from the fuel tank to the position where the non-return valve is visible..
NOTE:
-
Non-return valve is integrated in the fuel tank.
-
The non-return valve is normally closed by the spring force.
6. Verify that the non-return valve is closed.
-
If the non-return valve is stuck open and does not open even when pulled up by a finger, replace the fuel tank..
Miller Cycle Engine
Outline
The Miller cycle engine is a high-efficiency engine which achieves high fuel
economy performance by obtaining a high-expansion ratio.
The Miller cycle engine achieves a high- ...
Non Return Valve
Purpose, Function
Assures safety by preventing fuel from returning to the fuel filler opening.
Construction
The non-return valve cannot be removed as it is installed inside the fue ...
Other materials:
Positive Crankcase Ventilation (PCV) Valve Inspection
Airflow Inspection
1. Disconnect the section (A) of ventilation hose shown in the figure.
2. Start the engine and verify that vacuum is applied to the end of the disconnected
ventilation hose while the engine is idling.
If vacuum is not applied to the ventilation hose, perform the p ...
Buckle Switch Inspection
Driver-side
1. Switch the ignition to off.
2. Disconnect the negative battery cable and wait for 1 min or more..
3. Remove the front seat..
4. Remove the front buckle..
5. Inspect for continuity between the buckle switch terminals using a tester.
If not as indicated in the tab ...
Fuel Tank
Purpose, Function
Store fuel safely and supply fuel to the engine.
Construction
U.S.A. and CANADA
The fuel tank is installed below the rear seat.
2WD
AWD
The fuel tank is made of steel.
The following parts are integrated in the fuel tank.
...
