Back to 2024 GMC Sierra 3500HD

2024 GMC SIERRA 3500HD

6.6L V8 Duramax Diesel•4WD•AUTOMATIC•diesel•turbo

Repairs0 Labor586 Torque3842 Fluid9 DTC821 Battery0 Maintenance0 Recalls0

engine

Valve Adjustment Torque Specs

for 2024 GMC Sierra 3500HD 6.6L V8 Duramax Diesel · 4WD

Units

8 fasteners

Seq

Component

Torque

Angle

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Cover Bolts

12 lb-ft · 16 Nm

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Gasket Bolts

Critical

15 lb-ft · 20 Nm

—

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Mounting Bolts

20 lb-ft · 27 Nm

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—

Mounting Bolts

Critical

35 lb-ft · 47 Nm

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—

Rocker Arm Bolts

Critical

Tighten with cam lobe pointing away

22 lb-ft · 30 Nm

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Sensor Bolts

8 lb-ft · 11 Nm

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Valve Cover Bolts

Tighten in sequence

7 lb-ft · 10 Nm

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Valve Lash Adjusting Screw Lock Nut

Critical

Hold screw while tightening

15 lb-ft · 20 Nm

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