engine

Turbocharger Torque Specs

for 2012 Mercedes-Benz Sprinter NCV3 3.0L V6 Diesel OM642 · RWD

Units

15 fasteners

Seq

Component

Torque

Angle

—

Coolant Line Fittings

11 lb-ft · 15 Nm

—

Cover Bolts

13 lb-ft · 17 Nm

—

EGR Cooler Bolts

EGR cooler common failure point on OM642.

9 lb-ft · 12 Nm

—

Exhaust Manifold Nuts

Critical

Apply anti-seize, work hot-to-cold

22 lb-ft · 30 Nm

—

Gasket Bolts

Critical

16 lb-ft · 21 Nm

—

Heat Shield Bolts

7 lb-ft · 10 Nm

—

Mounting Bolts

Critical

37 lb-ft · 50 Nm

—

Mounting Bolts

21 lb-ft · 28 Nm

—

Oil Feed Line

Critical

Use new crush washers

15 lb-ft · 20 Nm

—

Oil Return Line

7 lb-ft · 10 Nm

—

Sensor Bolts

8 lb-ft · 11 Nm

—

Turbo Oil Feed Banjo Bolt

Critical

New crush washers. Prime turbo before first start.

18 lb-ft · 24 Nm

—

Turbo-to-Downpipe Bolts

Critical

33 lb-ft · 45 Nm

—

Turbo-to-Manifold Bolts

Critical

Apply anti-seize

26 lb-ft · 35 Nm

—

Turbo V-Band Clamp

Critical

OM642 uses single turbo. Replace V-band if corroded.

11 lb-ft · 15 Nm

—

2012 MERCEDES-BENZ SPRINTER NCV3

15 fasteners