engine

Piston - Single Torque Specs

for 2009 Mercedes-Benz GL450 X164 4.6L V8 M273 · AWD

Units

11 fasteners

Seq

Component

Torque

Angle

—

Connecting Rod Bolts

Critical

TTY - critical torque plus angle

33 lb-ft · 45 Nm

—

Cover Bolts

15 lb-ft · 20 Nm

—

Cylinder Head Bolts

Critical

TTY - tighten in sequence plus angle

48 lb-ft · 65 Nm

—

Electrical Connector Bolts

6 lb-ft · 8 Nm

—

Gasket Bolts

Critical

19 lb-ft · 25 Nm

—

Gasket Surface Bolts

Critical

Clean mating surfaces

19 lb-ft · 26 Nm

—

Mounting Bolts

Critical

44 lb-ft · 60 Nm

—

Oil Drain Plug

Critical

Use new crush washer

26 lb-ft · 35 Nm

—

Oil Pan Bolts

Critical

9 lb-ft · 12 Nm

—

Sensor Bolts

10 lb-ft · 14 Nm

—

Sensor Mounting Bolts

10 lb-ft · 14 Nm

—

2009 MERCEDES-BENZ GL450 X164

11 fasteners