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
Reusing Windshield
- Remove the sealant along the perimeter of the glass using a utility knife.
- Clean and degrease an approx. 50 mm {2.0 in} wide strip along the perimeter of the windshield.
- Inspect the glass for cracks. If it is cracked, chamfer it using sandpaper.
- Align the alignment marks made before removal and install the pins to the windshield referring to the figure.
- Install the windshield molding.
- Apply primer to the area of the glass shown in the figure.
- Follow the primer product instructions for the drying time.
CAUTION:- To prevent weakening of the primer adhesion, keep the bonding surface free of dirt, moisture, and grease. Do not touch the surface with your hand.
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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