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Home >> Mazda >> 2020 >> 3 Base, 4D Hatchback, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Intake-Air System (VIN L)) >> Intake-Air System Removal/Installation >> Notes

Intake-Air System Removal/Installation: Notes

WARNING: This page is about a different variant/trim than selected.

Replacement Part 

Intake manifold gasket
Quantity: 4
Location of use: Intake manifold
Throttle body gasket
Quantity: 1
Location of use: Throttle body
WARNING:
  • A 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.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION [(US)] .)
  2. Remove in the order indicated in the table.
  3. Install in the reverse order of removal.
    Fig 1: Intake-Air System Components With Torque Specification
    G13174893Courtesy of MAZDA MOTORS CORP.
    COMPONENT DESCRIPTION

    1 MAF sensor/IAT sensor No. 1
    (See MASS AIR FLOW (MAF) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO. 1 REMOVAL/INSTALLATION .)
    2 Air cleaner cover
    (See Air Cleaner Cover Installation Note .)
    3 Air cleaner element
    4 Resonance chamber
    (See Resonance Chamber Removal Note .)
    5 Fresh-air duct
    (See Fresh-air Duct Removal Note .)
    6 Air cleaner case
    (See Air Cleaner Case Installation Note .)
    7 Ventilation hose
    (See Ventilation Hose Installation Note .)
    8 Air hose
    (See Air Hose Installation Note .)
    9 Throttle body
    10 Vacuum hose
    (See VACUUM HOSE REMOVAL/INSTALLATION (SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))) .)
    11 Evaporative hose
    (See Evaporative Hose Installation Note .)
    12 PCV hose
    13 MAP sensor/IAT sensor No. 2
    (See MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO. 2 REMOVAL/INSTALLATION .)
    14 Intake manifold
    (See Intake Manifold Removal Note )
    (See Intake Manifold Installation Note )