2017-2024 Mazda Mazda3 Knock Sensor Torque Specs

2.5L I4

Applies to 2017, 2018, 2019, 2020, 2021, 2022, 2023, and 2024 Mazda Mazda3

Labor Time:2 hours

Torque Values (6 specifications)

Component	Nm	lb-ft	Notes
Cover Bolts	16	12	—
⚠️ Gasket Bolts	20	15	—
⚠️ Knock Sensor	20	15	Torque critical for function
Mounting Bolts	27	20	—
⚠️ Mounting Bolts	47	35	—
Sensor Bolts	11	8	—

The primary torque specification for knock sensor on a 2017-2024 Mazda Mazda3 is 16 Nm (12 lb-ft).

There are 6 torque specifications for knock sensor on the 2017-2024 Mazda Mazda3 2.5L I4, covering all related fasteners and components.