2021 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE

Not Reusing Windshield

  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  2. Remove the following parts:
    1. Windshield wiper arm and blade (See WINDSHIELD WIPER ARM AND BLADE REMOVAL/INSTALLATION .)
    2. Cowl grille (See COWL GRILLE REMOVAL/INSTALLATION .)
    3. Windshield wiper motor (See WINDSHIELD WIPER MOTOR AND LINK REMOVAL/INSTALLATION .)
    4. Front fender molding (See FRONT FENDER MOLDING REMOVAL/INSTALLATION .)
    5. Forward sensing camera (FSC) (with forward sensing camera (FSC)) (See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION .)
    6. Rain sensor (See RAIN SENSOR REMOVAL/INSTALLATION .)
    7. Auto-dimming rear-view mirror (with auto-dimming rear-view mirror) (See AUTO-DIMMING REAR-VIEW MIRROR REMOVAL/INSTALLATIONΒ .)
    8. Rear-View mirror (without auto-dimming rear-view mirror) (See REAR-VIEW MIRROR REMOVAL/INSTALLATIONΒ .)
    9. A-pillar trim (See A-PILLAR TRIM REMOVAL/INSTALLATION .)
    10. Sun visor (See SUNVISOR REMOVAL/INSTALLATION .)
    11. Front map light (See FRONT MAP LIGHT REMOVAL/INSTALLATION (US) .)
    12. Assist handle (front) (See ASSIST HANDLE REMOVAL/INSTALLATION .)
    13. Sensor cover (See SENSOR COVER REMOVAL/INSTALLATIONΒ .)
  3. Set the headliner out of the way.
  4. Disconnect the windshield wiper de-icer connector. (with windshield wiper de-icer)
    G13178809Courtesy of MAZDA MOTORS CORP.
  5. Remove the windshield wiper de-icer wiring harness from the hooks. (with windshield wiper de-icer)
  6. Remove the wiring harness clip. (with windshield wiper de-icer)
  7. Apply protective tape along the edge of the body.
    NOTE:
    • Overlap and adhere the protective tape to the corners to prevent damage.
    G13178810Courtesy of MAZDA MOTORS CORP.
  8. Remove the windshield molding by pulling it outward.
    NOTE:
    • If the windshield molding is difficult to remove, warm the windshield molding using a heat gun.
    G13178811Courtesy of MAZDA MOTORS CORP.
  9. Cut out the sealant all around the glass using a sealant remover.
    NOTE:
    • If it is difficult to cut sealant, use piano wire and follow the procedure under "Reusing Windshield".
    G13178819Courtesy of MAZDA MOTORS CORP.
  10. Remove the windshield.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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