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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:

Rear Body Control Module (Rbcm)
Outline Positioned at the rear of the vehicle, the rear body control module (RBCM) performs numerous system controls for functions at the vehicle rear. Function The rear body control module (RBCM) controls the system based on the input/output signals. The functions ...

Fuel Pump Unit
Purpose, Function Supplies fuel in the fuel tank to the high pressure fuel pump. Based on the control signal from the PCM, the fuel pump operates by the operation of the fuel pump relay and the fuel pump control module. Construction 2WD The fuel pump unit is installed ...

Door Adjustment
1. Measure the gap and height difference between the door and the body. 2. Loosen the door hinge installation bolts and adjust the door. Standard clearance a: 2.8?3.8 mm {0.12?0.14 in} b: -1.0?1.0 mm {-0.039?0.039 in} c: 2.5?4.5 mm {0.10?0.17 in} d: -1.0?1.0 m ...

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