2021 GMC SIERRA 2500HD

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

Repairs0 Labor994 Torque4977 Fluid18 DTC3734 Battery2 Maintenance0 Recalls0

cooling

Cooling Fan Motor Torque Specs

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

Units

18 fasteners

Seq

Component

Torque

Angle

—

Drain Petcock

Hand tight

7 lb-ft · 9 Nm

—

—

Drain Petcock

Hand tight

7 lb-ft · 9 Nm

—

—

Electrical Connector

4 lb-ft · 5 Nm

—

—

Electrical Connector

4 lb-ft · 5 Nm

—

—

Fan Bolts

11 lb-ft · 15 Nm

—

—

Fan Bolts

11 lb-ft · 15 Nm

—

—

Fan Motor Bolts

6 lb-ft · 8 Nm

—

—

Fan Motor Bolts

6 lb-ft · 8 Nm

—

—

Hose Clamps

Do not overtighten

4 lb-ft · 5 Nm

—

—

Hose Clamps

3 lb-ft · 4 Nm

—

—

Hose Clamps

Do not overtighten

4 lb-ft · 5 Nm

—

—

Hose Clamps

3 lb-ft · 4 Nm

—

—

Pump Bolts

Critical

18 lb-ft · 24 Nm

—

—

Pump Bolts

Critical

18 lb-ft · 24 Nm

—

—

Pump Bolts

Critical

Torque in sequence

24 lb-ft · 33 Nm

—

—

Pump Bolts

Critical

Torque in sequence

24 lb-ft · 33 Nm

—

—

Thermostat Housing Bolt

Critical

14 lb-ft · 19 Nm

—

—

Thermostat Housing Bolt

Critical

14 lb-ft · 19 Nm

—

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