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Engine - Intake-Air System (MZI-3.7): Removal & Installation Mazda CX-9 I

Mechanical 5 illustrations ~189 words

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

WARNINGWhen 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".

Scheme 8

Scheme 8
Scheme 8
  1. Complete the "BEFORE SERVICE PRECAUTION". (See «BEFORE SERVICE PRECAUTION [MZI-3.7]»(ref-345350-S25328110712009102000000) .)
  2. Remove the battery. (See «BATTERY REMOVAL/INSTALLATION [MZI-3.7]»(ref-345358-S08633229842009102000000) .)
  3. Remove the engine cover. (See «ENGINE COVER REMOVAL/INSTALLATION [MZI-3.7]»(ref-345346-S26593669332009102000000) .)
  4. Remove in the order indicated in the table.
  5. Install in the reverse order of removal.
  6. Complete the "AFTER SERVICE PRECAUTION". (See «AFTER SERVICE PRECAUTION [MZI-3.7]»(ref-345350-S04345746442009102000000) .)

Scheme 9

Scheme 9: Intake Manifold Removal Note
Scheme 9: Intake Manifold Removal Note

Scheme 10

Scheme 10
Scheme 10
  1. Drain the engine coolant. (See «ENGINE COOLANT REPLACEMENT [MZI-3.7]»(ref-345349-S00631216152009102000000) .)
  2. Disconnect the upper radiator hose.
  3. Disconnect the lower radiator hose.
  4. Disconnect the two water hose from the thermostat component.
  5. Disconnect the thermostat component side of the water inlet pipe which is under the intake manifold.
  6. Remove the intake manifold and thermostat component as a single unit.
  7. Remove the thermostat component from the intake manifold.

Scheme 11

Scheme 11: Intake Manifold Installation Note
Scheme 11: Intake Manifold Installation Note
  1. Tighten the intake manifold installation bolts in the order shown in figure. Intake manifold installation bolt tightening torque 8.5-11.5 N.m {87-117 kgf.cm, 76-101 in.lbf}

Scheme 12

Scheme 12: Dynamic Chamber Installation Note
Scheme 12: Dynamic Chamber Installation Note
  1. Tighten the dynamic chamber installation bolts in the order shown in figure. Dynamic chamber installation bolt tightening torque 8.5-11.5 N.m {87-117 kgf.cm, 76-101 in.lbf}

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