Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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 |
- 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.
- Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
- Remove the following parts:
- Front door speaker grille (See SPEAKER GRILLE REMOVAL/INSTALLATION .)
- Inner garnish (See INNER GARNISH REMOVAL/INSTALLATION .)
- Power window main switch (to remove from driver's side) (See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATIONΒ .)
- Power window sub switch (front) (to remove from passenger's side) (See POWER WINDOW SUB SWITCH REMOVAL/INSTALLATIONΒ .)
- Front door trim (See FRONT DOOR TRIM REMOVAL/INSTALLATION (US) .)
- Front inner handle (See INNER HANDLE REMOVAL/INSTALLATION .)
- Remove the front door weatherstrip in the direction of the arrow shown in the figure by pulling it upward.
- Disconnect the connectors.
- Remove wiring harness clips A and B.
- Remove the screws.
- 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.
- Remove service hole cover No. 1.
- Remove the grommet.
- 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.
- 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.
- Remove the grommet.
- 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.
- Apply protective tape to the edge part of the service hole cover installation holes to prevent injury.
- Remove the bolts shown in the figure in the order of (1) and (2).
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.
