2019-2024 Mazda Mazda3 Muffler Torque Specs

2.0L I4

Applies to 2019, 2020, 2021, 2022, 2023, and 2024 Mazda Mazda3

Labor Time:1 hours

Torque Values (12 specifications)

Component	Nm	lb-ft	Notes
Clamp Bolts	54	40	—
⚠️ Clamp Bolts	54	40	—
Flange Bolts	41	30	Apply anti-seize
⚠️ Flange Bolts	41	30	Apply anti-seize
Hanger Bolts	20	15	—
Hanger Bolts	20	15	—
Hanger Bracket Bolts	25	18	—
Hanger Bracket Bolts	25	18	—
Muffler Clamps	55	41	—
Muffler Clamps	55	41	—
O2 Sensor	47	35	—
⚠️ O2 Sensor	47	35	—

The primary torque specification for muffler on a 2019-2024 Mazda Mazda3 is 54 Nm (40 lb-ft).

There are 12 torque specifications for muffler on the 2019-2024 Mazda Mazda3 2.0L I4, covering all related fasteners and components.