engine

Turbocharger Torque Specs

for 2021 GMC Sierra 1500 3.0L I6 Duramax Diesel · RWD

Units

14 fasteners

Seq

Component

Torque

Angle

—

Coolant Line Fittings

11 lb-ft · 15 Nm

—

Cover Bolts

13 lb-ft · 18 Nm

—

Electrical Connector Bolts

5 lb-ft · 7 Nm

—

Exhaust Manifold Nuts

Apply anti-seize, work hot-to-cold

22 lb-ft · 30 Nm

—

Gasket Bolts

16 lb-ft · 21 Nm

—

Gasket Surface Bolts

Clean mating surfaces

16 lb-ft · 22 Nm

—

Heat Shield Bolts

7 lb-ft · 10 Nm

—

Mounting Bolts

37 lb-ft · 50 Nm

—

Oil Feed Line

Use new crush washers

15 lb-ft · 20 Nm

—

Oil Return Line

7 lb-ft · 10 Nm

—

Sensor Bolts

8 lb-ft · 11 Nm

—

Sensor Mounting Bolts

8 lb-ft · 11 Nm

—

Turbo-to-Downpipe Bolts

33 lb-ft · 45 Nm

—

Turbo-to-Manifold Bolts

Apply anti-seize

26 lb-ft · 35 Nm

—

2021 GMC SIERRA 1500

14 fasteners