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

Mazda CX-5 Service & Repair Manual / Engine / Fuel / Fuel Injector 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 intake manifold..

5. Remove in the order indicated in the table.

6. Install in the reverse order of removal.

7. Complete the “AFTER SERVICE PRECAUTION”..



1

Fuel pressure sensor connector

2

Fuel injector connector

3

Fuel distributor

(See Fuel Distributor Removal Note.)

(See Fuel Distributor Installation Note.)

4

Fuel injector

(See Fuel Injector Installation Note.)

5

Spacer

6

Stopper ring

(See Stopper Ring Removal Note.)

(See Stopper Ring Installation Note.)

7

O-ring

8

Back-up ring

(See Back-up Ring Installation Note.)

9

Teflon seal

(See Teflon Seal Removal Note.)

(See Teflon Seal Installation Note.)


Fuel Distributor Removal Note

1. Remove the high pressure fuel pipe..

2. Remove the fuel distributor.

Stopper Ring Removal Note

NOTE:

1. Remove the stopper ring as shown in the figure.


Teflon Seal Removal Note

NOTE:

1. Stretch the teflon seal as shown in the figure.


2. Remove the teflon seal as shown in the figure.


Teflon Seal Installation Note

NOTE:

1. Apply engine oil to the SST

.


2. Install the SST

with the mark on the SST

facing the fuel injector.


3. Insert a new teflon seal onto the SST

.


4. Install the SST

equipped with the teflon seal to the end of the fuel injector.


5. Using the SST

, press on the teflon seal to the fuel injector side.


6. Press on the teflon seal to the position indicated in the figure, then remove the SST

.


7. Install the teflon seal to the fuel injector by hand and remove the SST

.


8. Slide the SST

to the end of the fuel injector.


9. Hold the SST

at the position shown in the figure and correctly position the teflon seal for more than 30 sec.


Back-up Ring Installation Note

1. Install the back-up ring, making sure it is installed in the right direction.


2. After installing the back-up ring, verify that it is installed correctly.


Stopper Ring Installation Note

NOTE:

1. Set a new stopper ring on the SST

as shown in the figure being careful of the stopper ring orientation, and press down the fuel injector until a click sound is heard.


Fuel Injector Installation Note

CAUTION:

1. Apply engine oil to the fuel injector installation holes.

2. Insert the fuel injectors to the installation holes one by one, being careful of the direction the fuel injectors are pointed.


Fuel Distributor Installation Note

1. Install the fuel distributor to the fuel injectors while aligning the projection of the spacer to the notch of the fuel distributor.


2. Temporarily tighten the fuel distributor installation bolts until their heads contact the fuel distributors.

3. Turn the fuel distributor installation bolts a half a turn in the order shown in the figure.


4. Turn the fuel distributor installation bolts another half a turn in the order shown in the figure (one turn including the half turn in Step 3).

5. Tighten the fuel distributor installation bolts in the order shown in the figure.

Fuel Injector Relay
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 rela ...

Fuel Injector
Purpose, Function Promotes atomization of fuel by injecting it from the multiple holes. Injects fuel according to the control signal from the PCM. Construction The fuel inj ...

Other materials:

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Exhaust Manifold
Purpose, Function By lengthening the exhaust passage, the transmission of exhaust pressure waves to other cylinders can be delayed, and the amount of gas exhausted from a cylinder and forced back inside the combustion chamber is reduced By reducing the residual gas, the temperature i ...

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