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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:

Keyless Antenna Removal/Installation
With Advanced Keyless Entry System Vehicle interior, front 1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Decoration panel. b. Shift lever knob (MTX). c. Front console box. d. Shift panel. e. Upper panel. f. Rear console. g. Side wall. h. Front conso ...

Intake Manifold
Purpose, Function Distributes intake air to each cylinder evenly. Optimizes the combustion efficiency and performance of the engine by distributing intake air to each cylinder. Construction The intake manifold is installed to the cylinder head. ...

Front Door Hinge Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Front bumper. b. Front combination light. c. Front bumper slider. d. Front over fender. e. Front fender panel. f. Front door. 3. Remove in the order shown in the figure. 1 Bolt ...

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