2.5L Skyactiv-G I4 (186 hp)•AWD•AUTOMATIC•gas

Repairs0 Labor958 Torque2855 Fluid16 DTC3778 Battery2 Maintenance0 Recalls2

engine

Head Gaskets - Both Torque Specs

for 2020 Mazda Mazda3 2.5L Skyactiv-G I4 (186 hp) · AWD

Units

13 fasteners

Seq

Component

Torque

Angle

—

Camshaft Cap Bolts

Torque sequence

12 lb-ft · 16 Nm

—

Camshaft Cap Bolts

Critical

Torque sequence

12 lb-ft · 16 Nm

—

Cylinder Head Bolts

Critical

Multi-step + angle

65 lb-ft · 88 Nm

—

Cylinder Head Bolts

Step 1: 26-30 lb-ft. Step 2: +90 degrees. Step 3: +90 degrees.

26 lb-ft · 35 Nm

180°

—

Electrical Connector Bolts

5 lb-ft · 7 Nm

—

Exhaust Manifold Nuts

Critical

25 lb-ft · 34 Nm

—

Exhaust Manifold Nuts

25 lb-ft · 34 Nm

—

Gasket Surface Bolts

Critical

Clean mating surfaces

15 lb-ft · 20 Nm

—

Intake Manifold Bolt

Critical

18 lb-ft · 24 Nm

—

Intake Manifold Bolt

18 lb-ft · 24 Nm

—

Sensor Mounting Bolts

8 lb-ft · 11 Nm

—

Valve Cover Bolts

10 lb-ft · 14 Nm

—

Valve Cover Bolts

Critical

10 lb-ft · 14 Nm

—

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