Mazda CX-5 Service & Repair Manual: Fuel Pump Unit Removal/Installation

Mazda CX-5 Service & Repair Manual / Engine / Fuel / Fuel Pump Unit 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 and eyes. To prevent this, always complete the “Fuel Line Safety Procedure”, while referring to “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.

CAUTION:

Disconnecting/connecting the quick release connector without cleaning it may cause damage to the fuel pipe and quick release connector. Always clean the quick release connector joint area before disconnecting/connecting using a cloth or soft brush, and make sure that it is free of foreign material.

1. Complete the “BEFORE SERVICE PRECAUTION”..

2. Using the following procedure:

CAUTION:

Because the fuel surface is higher than the fuel pump unit installation surface, if the set plate is removed, it may result in fuel leakage. If the fuel gauge level indicates 1/2 or more, refer to the fuel draining procedure and drain 20 liters of fuel.

Fuel gauge indicates 1/2 or more

Drain the fuel..

Fuel gauge indicates less than 1/2

Disconnect the negative battery cable..

3. Remove the following part:

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

5. Remove the service hole cover.

6. Set the pressure control valve out of the way (U.S.A. and CANADA)..

7. Remove in the order indicated in the table.

2WD

1	Fuel pump unit connector
2	Quick release connector (See QUICK RELEASE CONNECTOR REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)
3	Set plate
4	Fuel pump unit
5	Packing

AWD

1	Fuel pump unit connector
2	Quick release connector (See QUICK RELEASE CONNECTOR REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)
3	Set plate
4	Quick release connector (See QUICK RELEASE CONNECTOR REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)
5	Fuel pump unit
6	Packing

8. Install in the reverse order of removal.

9. Complete the “AFTER SERVICE PRECAUTION”..

Fuel Pump Unit Inspection

Continuity Inspection 1. Disconnect the negative battery cable.. 2. Disconnect the fuel pump unit connector. 3. Inspect for continuity between fuel pump unit terminals B—D. If there ...

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 re ...

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 ...

Fuel Injector Relay [Skyactiv G 2.0]
Purpose, Function Supplies power to the PCM for the fuel injector and spill valve control solenoid valve operation. Construction The fuel injector relay is installed in the relay and fuse block. Operation When the ignition is switched ON, the battery voltage ...

Specifications
Specifications Engine Electrical System CAUTION When cleaning the iridium plugs, do not use a wire brush. The fine particulate coating on the iridium alloy and platinum tips could be damaged. Lubricant Quality NOTE Refer to Introduction on for owner's responsibility in prot ...