Mazda 3 manuals

Mazda 3 Service Manual: Fuel Injector Removal/Installation [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Engine / Fuel / Fuel Injector Removal/Installation [Mzr 2.0, Mzr 2.5]

WARNING:

CAUTION:

1. Complete the “BEFORE SERVICE PRECAUTION”..

2. Remove the battery cover..

3. Disconnect the negative battery cable..

4. Remove the plug hole plate..

5. Disconnect the fuel injector connector.

6. Remove in the order indicated in the table.



1

Quick release connector

(See QUICK RELEASE CONNECTOR REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5].)

2

Fuel distributor

3

Fuel injector clip

(See Fuel Injector Clip Removal Note.)

4

Fuel injector

(See Fuel Injector Installation Note.)


7. Install in the reverse order of removal.

8. Complete the “AFTER SERVICE PRECAUTION”..

Fuel Injector Clip Removal Note

CAUTION:

1. Insert a flathead screwdriver between the fuel injector cup and clip finger.


NOTE:

2. Push the clip finger outward using a flathead screwdriver.

3. Remove the fuel injector with the clip.

4. Remove the clip from the fuel injector using the following procedure:

CAUTION:

a. Hold the clip using pliers.

b. Pull the clip parallel to the fuel injector groove and remove it from the fuel injector.


Fuel Injector Installation Note

1. Apply a small amount of clean oil to the fuel injector groove and the new O-ring, and assemble them.

2. Temporarily attach a new clip to the fuel injector groove.

NOTE:

3. Hold the fuel injector firmly and push the clip into the fuel injector until the clip stops sliding.


4. Verify that the fuel injector connector position is correct.

5. Press the fuel injector into the fuel injector cup. Continue pressing until the clip contacts the lower surface of the fuel injector cup.

6. Verify that the fuel injector and clip are correctly installed with the clip locked onto the fuel injector cup notch.

Fuel Injector Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the fuel injector connector. 4. Inspect the resistance between fuel injector termina ...

Fuel Line Pressure Inspection [Mzr 2.0, Mzr 2.5]
WARNING: Fuel line spills and leakage from the pressurized fuel system are dangerous. Fuel can ignite and cause serious injury or death and damage. To prevent this, complete the followin ...

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