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

Mazda CX-5 Service & Repair Manual / Engine / Fuel / High Pressure Fuel Pump Removal/Installation

WARNING:

CAUTION:

1. Complete the “BEFORE SERVICE PRECAUTION”..

2. Disconnect the negative battery cable..

3. Remove the plug hole plate..

4. Remove the air cleaner and air hose as a single unit..

5. Disconnect the harness clip as shown in the figure.


6. Disconnect the hoses as shown in the figure.


7. Disconnect the following parts connectors.

8. Remove the purge solenoid valve and catch tank and purge solenoid valve bracket as a single unit..

9. Remove in the order indicated in the table.

NOTE:

10. Install in the reverse order of removal.

11. Complete the “AFTER SERVICE PRECAUTION”..

12. Complete the “Fuel Leakage Inspection After High Pressure Fuel Pump Installation”..



1

Quick release connector

(See QUICK RELEASE CONNECTOR REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

2

High pressure fuel pipe

(See High Pressure Fuel Pipe Removal Note.)

(See High Pressure Fuel Pipe Installation Note.)

3

High pressure fuel pump cover

4

High pressure fuel pump

(See High Pressure Fuel Pump Installation Note.)

5

Seal rubber

6

O-ring

7

Tension collar

8

Rear housing

(See Rear Housing Removal Note.)

(See Rear Housing Installation Note.)


High Pressure Fuel Pipe Removal Note

CAUTION:

1. Remove the high pressure fuel pipe.

Rear Housing Removal Note

1. Remove the vacuum pump..

2. Remove the rear housing.

Rear Housing Installation Note

NOTE:

1. Apply silicone sealant to the areas shown in the figure.


2. Install the rear housing.

High Pressure Fuel Pump Installation Note

1. Rotate the crankshaft approx. 90 degrees from TDC of cylinder No.1.


2. Insert the high pressure fuel pump into the rear housing.

3. Press in the high pressure fuel pump until the O-ring cannot be seen.

4. Temporarily tighten the high pressure fuel pump installation bolt on one side until its head contacts the high pressure fuel pump.

5. Tighten the high pressure fuel pump installation bolt which is not tightened in Step 5.

6. Tighten the high pressure fuel pump installation bolt which was tightened in Step 5.

High Pressure Fuel Pipe Installation Note

CAUTION:

1. Temporarily tighten the nuts on both ends.

2. Temporarily tighten the high pressure fuel pipe bracket installation bolt.

3. Tighten the nuts on both ends.

4. Tighten the high pressure fuel pipe bracket installation bolt.

Fuel Leakage Inspection After High Pressure Fuel Pump Installation

1. Verify that the high pressure fuel pump is assembled securely.

2. Verify that there is no fuel leakage around the high pressure fuel pump.

High Pressure Fuel Pump Inspection
NOTE: The following vacuum values are indicated by relative pressure from the fuel pressure sensor. 1. Verify that the fuel pressure sensor is normal.. 2. Connect the M-MDS to the D ...

High Pressure Fuel Pump
Purpose, Function Applies pressure to fuel sent from the fuel pump equipped on the fuel tank, and then pumps it to the fuel delivery pipe. Fuel is sectioned and pumped by the up and ...

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