Mazda Protege 5. Manual — part 137

INTAKE-AIR SYSTEM [ZM]

01–13A–3

01–13A

End Of Sie

INTAKE-AIR SYSTEM FLOW DIAGRAM [ZM]

A3U011301005W04

End Of Sie

VACUUM HOSE ROUTING DIAGRAM [ZM]

A3U011320030W02

Z3U0113W002

Y3U113WA5

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INTAKE-AIR SYSTEM [ZM]

01–13A–4

End Of Sie

Z3U0113W015

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INTAKE-AIR SYSTEM [ZM]

01–13A–5

01–13A

INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [ZM]

A3U011313000W02

Warning

••••

When the engine and intake-air system are hot, they can badly burn. Turn off the engine and wait
until they are cool before removing the intake-air system.

••••

Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep
sparks and flames away from fuel.

••••

Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and
damage. Fuel can also irritate skin and eyes. To prevent this, always complete the “Fuel Line
Safety Procedure”. (See 01–14–4 BEFORE REPAIR PROCEDURE.)

1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.

.

Z3U0113W003

1

Fresh-air duct

2

Resonance chamber

3

Air cleaner

4

Air cleaner element

5

MAF sensor (Integrated with IAT sensor)

6

Air hose

7

Accelerator cable bracket

8

Accelerator cable
(See 01–13A–6 Accelerator Cable Installation Note)

9

Throttle body
(See 01–13A–6 Throttle Body Removal Note)
(See 01–13A–6 Throttle Body Installation Note)

10

VTCS solenoid valve bracket

11

VTCS solenoid valve

12

PRC solenoid valve

13

Intake manifold
(See 01–13A–6 Intake Manifold Removal Note)

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INTAKE-AIR SYSTEM [ZM]

01–13A–6

Throttle Body Removal Note

•

Drain the engine coolant from the radiator. (See 01–12–3 ENGINE COOLANT REPLACEMENT.) (See 01–12–
2 COOLING SYSTEM SERVICE WARNINGS.)

Intake Manifold Removal Note

•

Remove the fuel injector before removing the throttle body. (See 01–14–21 FUEL INJECTOR REMOVAL/
INSTALLATION.)

Intake Manifold Gasket Installation Note

•

To install the intake manifold gasket, make sure
that the convex side of the gasket is facing the
intake manifold side.

Throttle Body Installation Note

•

Refill the radiator with engine coolant after installing the throttle body. (See 01–12–3 ENGINE COOLANT
REPLACEMENT.) (See 01–12–2 COOLING SYSTEM SERVICE WARNINGS.)

Accelerator Cable Installation Note

•

Carry out the “ACCELERATOR CABLE INSPECTION/ADJUSTMENT” procedure after installing the
accelerator cable. (See 01–13A–13 ACCELERATOR CABLE INSPECTION/ADJUSTMENT [ZM].)

End Of Sie

IDLE AIR CONTROL (IAC) VALVE REMOVAL/INSTALLATION [ZM]

A3U011320661W03

1. Disconnect the negative battery cable.
2. Remove the air hose and throttle body. (See 01–13A–5 INTAKE-AIR SYSTEM REMOVAL/INSTALLATION

[ZM].)

3. Disconnect the IAC valve connector.
4. Remove in the order indicated in the table.

5. Install in the reverse order of removal.

End Of Sie

14

Intake manifold gasket
(See 01–13A–6 Intake Manifold Gasket Installation
Note)

X3U113WA2

1

Bolt

2

IAC valve

Y3U113WA2

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