2021 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE

Front Door Glass Removal/Installation: Notes

Replacement partΒ 

Grommet
Quantity: 4
Location of use: Service hole cover No. 1
Service hole cover No. 1
Quantity: 1
Location of use: Front door panel
  1. Perform the front door glass preparation. (See FRONT DOOR GLASS PREPARATIONΒ .)
    NOTE:
    • Before removing the front door glass, the removal procedure for the front door glass installation bolt can be facilitated by adjusting the top of the front door glass to the position approx. 90 mm {3.5 in}away from the upper part of the front beltline molding.
  2. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  3. Remove the following parts:
    1. Front door speaker grille (See SPEAKER GRILLE REMOVAL/INSTALLATION .)
    2. Inner garnish (See INNER GARNISH REMOVAL/INSTALLATION .)
    3. Power window main switch (to remove from driver's side) (See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATIONΒ .)
    4. Power window sub switch (front) (to remove from passenger's side) (See POWER WINDOW SUB SWITCH REMOVAL/INSTALLATIONΒ .)
    5. Front door trim (See FRONT DOOR TRIM REMOVAL/INSTALLATION (US) .)
    6. Front inner handle (See INNER HANDLE REMOVAL/INSTALLATION .)
  4. Remove the front door weatherstrip in the direction of the arrow shown in the figure by pulling it upward.
    G13178621Courtesy of MAZDA MOTORS CORP.
  5. Disconnect the connectors.
    G13178622Courtesy of MAZDA MOTORS CORP.
  6. Remove wiring harness clips A and B.
  7. Remove the screws.
    G13178623Courtesy of MAZDA MOTORS CORP.
  8. Insert a remover tool into the position shown in the figure, move it in the direction of the arrow, and detach the tabs from the front door panel.
    G13178624Courtesy of MAZDA MOTORS CORP.
  9. Remove service hole cover No. 1.
  10. Remove the grommet.
    G13178623Courtesy of MAZDA MOTORS CORP.
  11. Insert a remover tool into the position shown in the figure, move it in the direction of arrow (1), and detach the tabs from the front door panel.
    G13178626Courtesy of MAZDA MOTORS CORP.
  12. Lift service hole cover No. 2 in the direction of arrow (2) shown in the figure and detach the hooks from the front door panel.
  13. Remove the grommet.
    G13178627Courtesy of MAZDA MOTORS CORP.
  14. Move service hole cover No. 2 in the direction of the arrow shown in the figure and remove it while pulling out the inner handle cable.
  15. Apply protective tape to the edge part of the service hole cover installation holes to prevent injury.
    G13178628Courtesy of MAZDA MOTORS CORP.
  16. Remove the bolts shown in the figure in the order of (1) and (2).
    Fig 1: Front Door Glass Bolts With Torque Specification
    G13178629Courtesy of MAZDA MOTORS CORP.
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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