engine

Variable Valve Timing Actuator Torque Specs

for 2009 Mercedes-Benz ML63 AMG 6.2L V8 M156 · AWD

Units

12 fasteners

Seq

Component

Torque

Angle

—

Cam Phaser Bolt

Critical

Apply threadlocker, hold cam stationary

48 lb-ft · 65 Nm

—

Camshaft Sprocket Bolt

Critical

Hold cam with wrench on hex

59 lb-ft · 80 Nm

—

Cover Bolts

16 lb-ft · 22 Nm

—

Crankshaft Pulley Bolt

Critical

Often TTY - check spec, may require impact

133 lb-ft · 180 Nm

—

Gasket Bolts

Critical

20 lb-ft · 27 Nm

—

Mounting Bolts

27 lb-ft · 37 Nm

—

Mounting Bolts

Critical

47 lb-ft · 64 Nm

—

Sensor Bolts

11 lb-ft · 15 Nm

—

Timing Chain Tensioner Bolt

Critical

Install with pin/clip to compress

18 lb-ft · 25 Nm

—

Timing Cover Bolts - 8mm

Critical

Tighten in sequence

18 lb-ft · 25 Nm

—

Valve Cover Bolts

Tighten in sequence

7 lb-ft · 10 Nm

—

VVT Solenoid Bolt

7 lb-ft · 10 Nm

—

2009 MERCEDES-BENZ ML63 AMG

12 fasteners