engine

Valve Springs - All Torque Specs

for 2022 GMC Sierra 1500 3.0L I6 Duramax Diesel · RWD

Units

12 fasteners

Seq

Component

Torque

Angle

—

Camshaft Cap Bolts

Tighten in sequence from center outward, multiple passes

10 lb-ft · 14 Nm

—

Cover Bolts

13 lb-ft · 18 Nm

—

Electrical Connector Bolts

5 lb-ft · 7 Nm

—

Gasket Bolts

16 lb-ft · 21 Nm

—

Gasket Surface Bolts

Clean mating surfaces

16 lb-ft · 22 Nm

—

Mounting Bolts

37 lb-ft · 50 Nm

—

Rocker Arm Bolts

Tighten with cam lobe pointing away

22 lb-ft · 30 Nm

—

Rocker Arm Shaft Bolts

Tighten evenly in sequence

18 lb-ft · 25 Nm

—

Sensor Bolts

8 lb-ft · 11 Nm

—

Sensor Mounting Bolts

8 lb-ft · 11 Nm

—

Spark Plugs - Aluminum Head

Apply anti-seize to threads

15 lb-ft · 20 Nm

—

Valve Cover Bolts

Tighten in sequence

7 lb-ft · 10 Nm

—

2022 GMC SIERRA 1500

12 fasteners