engine

Head Gasket - Single Torque Specs

for 2021 GMC Acadia 3.6L V6 · FWD

Units

8 fasteners

Seq

Component

Torque

Angle

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Camshaft Cap Bolts

Torque sequence

14 lb-ft · 19 Nm

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Cylinder Head Bolts

Multi-step + angle

75 lb-ft · 101 Nm

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Cylinder Head Bolts (M11)

REPLACE BOLTS. Step 1: 22 lb-ft. Step 2: +150° (or +90° then +60°). Tighten in sequence.

22 lb-ft · 30 Nm

150°

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Cylinder Head Bolts (M8)

Step 1: 22 lb-ft. Step 2: +60 degrees.

22 lb-ft · 30 Nm

60°

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Cylinder Head Bolts (M8 Front)

Tighten after M11 bolts.

22 lb-ft · 30 Nm

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Exhaust Manifold Nuts

29 lb-ft · 39 Nm

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Intake Manifold Bolts

21 lb-ft · 28 Nm

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Valve Cover Bolts

12 lb-ft · 16 Nm

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