2021 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE

Rear Window Glass Installation: Notes

Replacement part (Sedan-4SD)Β 

Spacer A
Quantity: 3
Location of use: Rear window glass
Spacer B
Quantity: 2
Location of use: Rear window glass
Rear window molding
Quantity: 1
Location of use: Rear window glass

Replacement part (Hatchback-5HB)Β 

Spacer
Quantity: 3
Location of use: Rear window glass
Fastener
Quantity: 2
Location of use: Rear window glass
WARNING:
  • Using a utility knife with bare hands can cause injury. Always wear gloves when using a utility knife.
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 Quote

No obligation. See pricing before you book.