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Mazda CX-5 Service & Repair Manual: Fuel Tank Inspection

Mazda CX-5 Service & Repair Manual / Engine / Fuel / Fuel Tank Inspection

WARNING:

NOTE:

2WD

1. Level the vehicle.

2. Complete the “BEFORE SERVICE PRECAUTION”..

3. Drain the fuel..

4. Using the following procedure:

5. Partially peel back the floor mat as shown in the figure.


6. Remove the service hole cover.


7. Disconnect the following parts:

8. Remove the floor under cover (LH)..

9. Disconnect the HO2S connector.

10. Remove the TWC and HO2S as a single unit..

11. Remove the fuel tank and fuel pump unit as a single unit..

12. Perform the following procedure to verify the fuel tank airtightness.

a. Plug the fuel pump unit pipe, ports B and C.


b. Apply a pressure of 3 kPa {23 mmHg, 0.9 inHg}

to port A and wait for a while.

c. Verify that there is no air flow leakage from the fuel tank.

13. Plug the fuel pump unit pipe and port B.


14. Level the fuel tank.

15. Apply a pressure of 3 kPa {23 mmHg, 0.9 inHg}

to port A and wait for a while.

16. With the pressure still applied, verify that there is air flow from port C and the pressure is 0—3 kPa {0—23 mmHg, 0—0.9 inHg}

.

17. Apply a pressure of -0.5 kPa {-3.8 mmHg, -0.1 inHg}

to port A and wait for a while.

18. With the pressure still applied, verify that there is air flow from port C and the pressure is -0.5—0 kPa {-3.8—0 mmHg, -0.1—0 inHg}

.

19. Apply a pressure to port A and wait for a while.


20. With the pressure still applied, verify that there is no air flow from port C.

AWD

1. Level the vehicle.

2. Complete the “BEFORE SERVICE PRECAUTION”..

3. Drain the fuel..

4. Using the following procedure:

5. Partially peel back the floor mat as shown in the figure.

Main side


Sub side


6. Remove the service hole cover.

Main side


Sub side


7. Disconnect the following parts:

8. Remove the floor under cover..

9. Disconnect the HO2S connector.

10. Remove the TWC and HO2S as a single unit..

11. Remove the propeller shaft..

12. Remove the fuel tank, fuel pump unit and fuel gauge sender unit (sub) as a single unit..

13. Perform the following procedure to verify the fuel tank airtightness.

a. Plug the fuel pump unit pipe, ports B and C.


b. Apply a pressure of 3 kPa {23 mmHg, 0.9 inHg}

to port A and wait for a while.

c. Verify that there is no air flow leakage from the fuel tank.

14. Plug the fuel pump unit pipe and port B.


15. Level the fuel tank.

16. Apply a pressure of 3 kPa {23 mmHg, 0.9 inHg}

to port A and wait for a while.

17. With the pressure still applied, verify that there is air flow from port C and the pressure is 0—3 kPa {0—23 mmHg, 0—0.9 inHg}

.

18. Apply a pressure of -0.5 kPa {-3.8 mmHg, -0.1 inHg}

to port A and wait for a while.

19. With the pressure still applied, verify that there is air flow from port C and the pressure is -0.5—0 kPa {-3.8—0 mmHg, -0.1—0 inHg}

.

20. Apply a pressure to port A and wait for a while.


21. With the pressure still applied, verify that there is no air flow from port C.

Fuel System
Purpose, Outline A multiple hole type fuel injector has been adopted which provides higher fuel injection accuracy for improved fuel efficiency and output. Piston movement-compressio ...

Fuel Tank Removal/Installation
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 ...

Other materials:

Fuel Draining Procedure
WARNING: Fuel line spills and leakage from the pressurized fuel system are dangerous. Fuel can ignite and cause serious injury or death and damage. To prevent this, complete the following inspection with the engine stopped. Fuel is very flammable liquid. If fuel spills or leaks ...

Starting the Engine
WARNING Radio waves from the key may affect medical devices such as pacemakers: Before using the key near people who use medical devices, ask the medical device manufacturer or your physician if radio waves from the key will affect the device. NOTE • The key must be carried because the ke ...

Rear Drive Shaft Removal/Installation
CAUTION: Performing the following procedures without first removing the ABS wheel?speed sensor may possibly cause an open circuit in the harness if it is pulled by mistake. Before performing the following procedures, remove the ABS wheel?speed sensor (wheel side) and fix it to an ...

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