Back to 2021 GMC Sierra 2500HD

2021 GMC SIERRA 2500HD

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

Repairs0 Labor562 Torque5869 Fluid9 DTC821 Battery0 Maintenance0 Recalls0

engine

PCV Valve Torque Specs

for 2021 GMC Sierra 2500HD 6.6L V8 Duramax Diesel · 4WD

Units

11 fasteners

Seq

Component

Torque

Angle

—

Cover Bolts

12 lb-ft · 16 Nm

—

—

Cover Bolts

16 lb-ft · 22 Nm

—

—

Electrical Connector Bolts

7 lb-ft · 9 Nm

—

—

Gasket Bolts

Critical

15 lb-ft · 20 Nm

—

—

Gasket Surface Bolts

Critical

Clean mating surfaces

20 lb-ft · 27 Nm

—

—

Mounting Bolts

20 lb-ft · 27 Nm

—

—

Mounting Bolts

Critical

35 lb-ft · 47 Nm

—

—

Mounting Bolts

Critical

47 lb-ft · 64 Nm

—

—

PCV Valve

Hand tight usually

6 lb-ft · 8 Nm

—

—

Sensor Bolts

8 lb-ft · 11 Nm

—

—

Sensor Mounting Bolts

11 lb-ft · 15 Nm

—

Building an app?

Free API access to all this data — 50 requests/day, no card required.

Get an API key →

Run a shop?

Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.

Try ShopBase →