engine

Harmonic Balancer Torque Specs

for 2002 Mercedes-Benz 500SL R129 6.0L V12 M120 · RWD

Units

9 fasteners

Seq

Component

Torque

Angle

—

Cover Bolts

16 lb-ft · 22 Nm

—

Crankshaft Pulley Bolt

Critical

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

133 lb-ft · 180 Nm

—

Electrical Connector Bolts

7 lb-ft · 9 Nm

—

Gasket Bolts

Critical

20 lb-ft · 27 Nm

—

Gasket Surface Bolts

Critical

Clean mating surfaces

20 lb-ft · 27 Nm

—

Harmonic Balancer Bolt

Critical

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

133 lb-ft · 180 Nm

—

Mounting Bolts

Critical

47 lb-ft · 64 Nm

—

Sensor Bolts

11 lb-ft · 15 Nm

—

Sensor Mounting Bolts

11 lb-ft · 15 Nm

—