Mazda 3 manuals

Mazda 3 Service Manual: Intake Air System Removal/Installation [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Engine / Intake / Intake Air System Removal/Installation [Mzr 2.0, Mzr 2.5]

WARNING:

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 wiring harness.

6. Remove in the order indicated in the table.

7. Install in the reverse order of removal.

8. Add the engine coolant to the cooling system filler neck and the coolant reserve tank to replace that during servicing.

9. Inspect the engine coolant level..

10. Inspect for engine coolant leakage..

11. Complete the “AFTER SERVICE PRECAUTION”..

Step 1



1

MAF/IAT sensor

2

Ventilation hose

3

Air cleaner cover

(See Air Cleaner Cover Removal Note.)

4

Resonance chamber

5

Air hose

(See Air Hose Installation Note)

6

Air cleaner element

7

Air cleaner case

8

Fresh-air duct (No.1)

(See Fresh-Air Duct (No.1) Removal Note)

9

Fresh-air duct (No.2)

10

Fresh-air duct (No.3)


Step 2



1

Throttle body

(See Throttle Body Removal Note.)

(See Throttle Body Installation Note.)

2

Vacuum hose

3

Variable intake air solenoid valve

4

Vacuum hose

5

Variable tumble solenoid valve

6

Vacuum hose

7

Quick release connector

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

8

Vacuum cap (MZR 2.5)

9

Intake manifold

(See Intake Manifold Removal Note.)


Air Cleaner Cover Removal Note

1. Remove the air cleaner cover and resonance chamber and air hose as single unit.

2. Remove the air cleaner cover.

Fresh-Air Duct (No.1) Removal Note

1. Remove the fresh-air duct (No.1) and fresh-air duct (No.2) as single unit.

2. Remove the fresh-air duct (No.1).

Throttle Body Removal Note

WARNING:

CAUTION:

1. Wrap a clean cloth around the cooling system cap and release the pressure by loosening the cap slowly.

2. Remove the water hose from the throttle body and plug the water hose quickly.

Intake Manifold Removal Note

1. Remove the aerodynamic under cover No.2..

2. Remove all clips for securing wiring harnesses from the intake manifold.

3. Disconnect the vacuum hoses connecting the intake manifold.

4. Remove the fuel distributor and fuel injector a as single unit..

5. Remove the intake manifold.

Throttle Body Installation Note

1. Temporarily tighten the throttle body to the intake manifold.

2. Tighten the installation bolts in the order shown in the figure.


3. Remove the plug from the engine coolant hose and install the water hose to the throttle body quickly.

Air Hose Installation Note

1. Adjust the convex of the throttle body to the recess of the air hose.


Air Intake Actuator Removal/Installation [Manual Air Conditioner]
1. Set the air intake mode to FRESH. 2. Disconnect the negative battery cable.. 3. Remove the following parts: a. Front scuff plate (Passenger-side). b. Front side trim (Passenger-side). c. ...

Intake Air Temperature (Iat) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection NOTE: Because the IAT sensor is integrated in the MAF sensor, replacing the IAT sensor includes replacement of the MAF/IAT sensor. 1. Remove the battery cover.. ...

Other materials:

Rear ABS Wheel Speed Sensor Removal/Installation
1. Remove the under cover.. 2. Remove in the order indicated in the table. 3. Install in the reverse order of removal. 1 Connector 2 Bolt 3 Rear ABS wheel-speed sensor 4 ABS hole cov ...

Side Air Bag Sensor No. 1 Removal/Installation [Two Step Deployment Control System]
WARNING: Handling the side air bag sensor improperly can accidentally operate (deploy) the air bag module, which may seriously injure you. Read the air bag system service warnings and cautions before handling the side air bag sensor.. 1. Switch the ignition to off. 2. Disconnec ...

Liftgate Side Trim Removal/Installation
1. Remove the liftgate upper trim.. 2. Pull the point A of the strap hanger as shown in the figure. 3. Remove the strap hanger. 4. Remove the fastener. 5. Pull the liftgate side trim in the direction of arrow then remove clip A. 6. Detach tab B and C while pulling the liftgate sid ...

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