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Engine - Intake-Air System: Removal & Installation Mazda 3 BK

Mechanical 6 illustrations ~422 words

INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [LF]

WARNINGA hot engine and intake air system can cause severe burns. Turn off the engine and wait until they are cool before removing the intake air system. Fuel line spills and leakage from the pressurized fuel system are dangerous. Fuel can ignite and cause serious injury or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete the "Fuel Line Safety Procedure", while referring to the "BEFORE SERVICE PRECAUTION". (See BEFORE SERVICE PRECAUTION .)

Scheme 143

Scheme 143
  1. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
  2. Remove the battery cover and battery duct. (See BATTERY REMOVAL/INSTALLATION .)
  3. Remove the under cover.
  4. Disconnect the negative battery cable.
  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 .)

Fresh-air Duct Removal Note

  1. Remove the front bumper before removing the fresh-air duct. See «FRONT BUMPER REMOVAL/INSTALLATION»(ref-177729-S38682413792005060700000) .

Throttle Body Removal Note

  1. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)

Intake Manifold Removal Note

  1. Disconnect the vacuum hose connecting the intake manifold. (See PURGE SOLENOID VALVE REMOVAL/INSTALLATION .)
  2. Remove the dipstick pipe. (See OIL PAN REMOVAL/INSTALLATION .)

Air Cleaner Case Installation Note

Note. Before installing the air cleaner case, verify that the rubber mounts on the battery support bracket have not fallen off. When inserting the air cleaner case into the rubber mounts, applying soapy water aids the operation.

  1. Verify that two rubber mounts are installed on the battery support bracket.
  2. Install the air cleaner case into the rubber mounts.

Scheme 144

Scheme 144: Strap Installation Note
  1. Using the strap, secure the shroud panel and the air cleaner case as shown in the figure.

Scheme 145

Scheme 145: Air Hose Installation Note
  1. Align the alignment marks on the throttle body and the air hose.

INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L3]

WARNINGA hot engine and intake air system can cause severe burns. Turn off the engine and wait until they are cool before removing the intake air system. Fuel line spills and leakage from the pressurized fuel system are dangerous. Fuel can ignite and cause serious injury or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete the "Fuel Line Safety Procedure", while referring to the "BEFORE SERVICE PRECAUTION". (See BEFORE SERVICE PRECAUTION .)

Scheme 146

Scheme 146
  1. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
  2. Remove the battery cover and battery duct. (See BATTERY REMOVAL/INSTALLATION .)
  3. Remove the under cover.
  4. Disconnect the negative battery cable.
  5. Remove in the order indicated in the illustration.
  6. Install in the reverse order of removal.
  7. Complete the "AFTER SERVICE PRECAUTION". (See AFTER SERVICE PRECAUTION .)
  1. Remove the front bumper before removing the fresh-air duct. See «FRONT BUMPER REMOVAL/INSTALLATION»(ref-177729-S38682413792005060700000) .
  1. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
  1. Disconnect the vacuum hose connecting the intake manifold. (See PURGE SOLENOID VALVE REMOVAL/INSTALLATION .)
  2. Remove the dipstick pipe. (See OIL PAN REMOVAL/INSTALLATION .)

Note. Before installing the air cleaner case, verify that the rubber mounts on the battery support bracket have not fallen off. When inserting the air cleaner case into the rubber mounts, applying soapy water aids the operation.

  1. Verify that two rubber mounts are installed on the battery support bracket.
  2. Install the air cleaner case into the rubber mounts.

Scheme 147

Scheme 147: Strap Installation Note
  1. Using the strap, secure the shroud panel and the air cleaner case as shown in the figure.

Scheme 148

Scheme 148: Air Hose Installation Note
  1. Align the alignment marks on the throttle body and the air hose.