engine

Head Gaskets - Both Torque Specs

for 2021 Ford F-150 3.5L V6 EcoBoost · 4WD

Units

16 fasteners

Seq

Component

Torque

Angle

—

Camshaft Cap Bolts✓ Verified

Critical

Torque sequence [audit 2026-08: corrected from 14.0 lb-ft by triangulation]

7 lb-ft · 9 Nm

—

Camshaft Cap Bolts✓ Verified

Critical

Torque sequence [audit 2026-08: corrected from 14.0 lb-ft by triangulation]

7 lb-ft · 9 Nm

—

Cylinder Head Bolts

Critical

Step 1: 30 lb-ft. Step 2: +90 degrees. Step 3: +90 degrees. (Verify with specific year manual, some are 22->33->180).

30 lb-ft · 40 Nm

180°

—

Cylinder Head Bolts

Critical

Step 1: 30 lb-ft. Step 2: +90 degrees. Step 3: +90 degrees. (Verify with specific year manual, some are 22->33->180).

30 lb-ft · 40 Nm

180°

—

Electrical Connector Bolts

6 lb-ft · 8 Nm

—

Electrical Connector Bolts

6 lb-ft · 8 Nm

—

Exhaust Manifold Nuts

Critical

29 lb-ft · 39 Nm

—

Exhaust Manifold Nuts

Critical

29 lb-ft · 39 Nm

—

Gasket Surface Bolts

Critical

Clean mating surfaces

17 lb-ft · 23 Nm

—

Gasket Surface Bolts

Critical

Clean mating surfaces

17 lb-ft · 23 Nm

—

Intake Manifold Bolt

Critical

21 lb-ft · 28 Nm

—

Intake Manifold Bolt

Critical

21 lb-ft · 28 Nm

—

Sensor Mounting Bolts

9 lb-ft · 12 Nm

—

Sensor Mounting Bolts

9 lb-ft · 12 Nm

—

Valve Cover Bolts

Critical

12 lb-ft · 16 Nm

—

Valve Cover Bolts

Critical

12 lb-ft · 16 Nm

—