electrical

Alternator Belt Torque Specs

for 2013 GMC Sierra 3500HD 6.6L V8 Duramax Diesel · 4WD

Units

12 fasteners

Seq

Component

Torque

Angle

—

Alternator Mounting Bolts

Critical

35 lb-ft · 47 Nm

—

Alternator Pivot Bolt

Critical

35 lb-ft · 47 Nm

—

Battery Cable Nut

Critical

10 lb-ft · 14 Nm

—

Battery Terminal Bolts

Do not overtighten

4 lb-ft · 6 Nm

—

Bracket Bolts

20 lb-ft · 27 Nm

—

Connector Screws

4 lb-ft · 5 Nm

—

Ground Bolt

Critical

10 lb-ft · 14 Nm

—

Ground Strap Bolt

Critical

Clean contact surfaces

14 lb-ft · 19 Nm

—

Ground Strap Bolts

Ensure clean contact

9 lb-ft · 12 Nm

—

Module Mounting Bolts

6 lb-ft · 8 Nm

—

Mounting Bolts

Critical

34 lb-ft · 46 Nm

—

Sensor Mounting Bolts

7 lb-ft · 10 Nm

—

2013 GMC SIERRA 3500HD

12 fasteners