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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:

Seat Belt
Fastening the Seat Belt Position the lap belt as low as possible, not on the abdominal area, then adjust the shoulder belt so that it fits snugly against your body. Unfastening the Seat Belt Depress the button on the seat belt buckle. If the belt does not fully retract, pull it out and che ...

Front Accessory Socket Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the front console.. 3. Insert a tape-wrapped flathead screwdriver into the gap between the cap tab and socket. 4. Move the flathead screwdriver in the direction of the arrow (1) shown in the figure, press the front accessory socket i ...

Front Under Cover No.1 Removal/Installation
1. Remove bolts A. 2. Remove screws B. 3. Remove fasteners C. 4. Remove the front under cover No.1 in the direction of the arrow in the order of (1), (2) shown in the figure while detaching the guide D. 5. Install in the reverse order of removal. ...

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