INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.7]

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  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”.

1. Complete the “BEFORE SERVICE PRECAUTION”. (See BEFORE SERVICE PRECAUTION [MZI-3.7].)

2. Remove the battery. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7].)

3. Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION [MZI-3.7].)

4. Disconnect the wiring harness.

5. Remove in the order indicated in the table.

6. Install in the reverse order of removal.

7. Complete the “AFTER SERVICE PRECAUTION”. (See AFTER SERVICE PRECAUTION [MZI-3.7].)

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1 | Air cleaner case
2 | Fresh-air duct
3 | Air cleaner element
4 | Air cleaner cover
5 | Vacuum hose (to master back)
6 | Ventilation hose (See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION [MZI-3.7].)
7 | Resonance chamber
8 | Throttle body
9 | Vacuum hose (to purge solenoid valve) (See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION [MZI-3.7].)
10 | Vacuum hose (to master back)
11 | Dynamic chamber (See Dynamic Chamber Installation Note.)
12 | Fuel hose (See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION [MZI-3.7].)
13 | Fuel distributor (See FUEL INJECTOR REMOVAL/INSTALLATION [MZI-3.7].)
14 | Intake manifold (See Intake Manifold Removal Note.) (See Intake Manifold Installation Note.)

Intake Manifold Removal Note

1. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT [MZI-3.7].)

2. Disconnect the following parts:

  (1) Upper radiator hose

  (2) Lower radiator hose

  (3) Two water hose from the thermostat component

  (4) Thermostat component side of the water inlet pipe which is under the intake manifold

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3. Remove the intake manifold and thermostat component as a single unit.

4. Remove the thermostat component from the intake manifold.

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Intake Manifold Installation Note

1. Tighten the intake manifold installation bolts in the order shown.

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  Intake manifold installation bolt tightening torque

  8.5—11.5 N·m {87—117 kgf·cm, 76—101 in·lbf}

Dynamic Chamber Installation Note

1. Tighten the dynamic chamber installation bolts in the order shown.

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  Dynamic chamber installation bolt tightening torque

  8.5—11.5 N·m {87—117 kgf·cm, 76—101 in·lbf}