engine

Harmonic Balancer Torque Specs

for 2013 GMC Yukon 5.3L V8 · RWD

Units

9 fasteners

Seq

Component

Torque

Angle

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Cover Bolts

15 lb-ft · 20 Nm

—

Crankshaft Pulley Bolt

Often TTY - check spec, may require impact | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

133 lb-ft · 180 Nm

—

Electrical Connector Bolts

6 lb-ft · 8 Nm

—

Gasket Bolts

19 lb-ft · 25 Nm

—

Gasket Surface Bolts

Clean mating surfaces

19 lb-ft · 26 Nm

—

Harmonic Balancer Bolt

Often TTY, may need impact | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

133 lb-ft · 180 Nm

—

Mounting Bolts

44 lb-ft · 60 Nm

—

Sensor Bolts

10 lb-ft · 14 Nm

—

Sensor Mounting Bolts

10 lb-ft · 14 Nm

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