engine

Piston - Single Torque Specs

for 2020 GMC Sierra 1500 3.0L I6 Duramax Diesel · RWD

Units

11 fasteners

Seq

Component

Torque

Angle

—

Connecting Rod Bolts

TTY - critical torque plus angle

33 lb-ft · 45 Nm

—

Cover Bolts

13 lb-ft · 18 Nm

—

Cylinder Head Bolts

TTY - tighten in sequence plus angle

48 lb-ft · 65 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

—

Oil Drain Plug

Use new crush washer

26 lb-ft · 35 Nm

—

Oil Pan Bolts

9 lb-ft · 12 Nm

—

Sensor Bolts

8 lb-ft · 11 Nm

—

Sensor Mounting Bolts

8 lb-ft · 11 Nm

—