engine

Long Block Replacement Torque Specs

for 2018 Rolls-Royce Dawn 6.6L V12 Twin Turbo · RWD

Units

16 fasteners

Seq

Component

Torque

Angle

—

Camshaft Cap Bolts✓ Verified

Critical

Tighten in sequence from center outward, multiple passes

10 lb-ft · 14 Nm

—

Connecting Rod Bolts✓ Verified

Critical

TTY - critical torque plus angle

15 lb-ft · 20 Nm

—

Cylinder Head Bolts✓ Verified

Critical

TTY - tighten in sequence plus angle

30 lb-ft · 40 Nm

—

Electrical Connector Bolts

7 lb-ft · 9 Nm

—

Exhaust Manifold Nuts✓ Verified

Critical

Apply anti-seize, work hot-to-cold

15 lb-ft · 21 Nm

—

Flywheel Bolts✓ Verified

Critical

Often TTY, tighten in star pattern

83 lb-ft · 113 Nm

—

Gasket Surface Bolts

Critical

Clean mating surfaces

20 lb-ft · 27 Nm

—

Intake Manifold Bolt✓ Verified

Critical

10 lb-ft · 14 Nm

—

Main Bearing Cap Bolts

Critical

TTY - tighten in sequence plus angle

55 lb-ft · 75 Nm

—

Oil Drain Plug✓ Verified

Critical

Use new crush washer

18 lb-ft · 25 Nm

—

Oil Pan Bolt✓ Verified

Critical

15 lb-ft · 21 Nm

—

Sensor Mounting Bolts

11 lb-ft · 15 Nm

—

Timing Chain Tensioner Bolt✓ Verified

Critical

Install with pin/clip to compress

30 lb-ft · 40 Nm

—

Timing Cover Bolts - 8mm✓ Verified

Critical

Tighten in sequence

15 lb-ft · 21 Nm

—

Transmission-to-Engine Bolts✓ Verified

Critical

33 lb-ft · 45 Nm

—

Valve Cover Bolts

Tighten in sequence

7 lb-ft · 10 Nm

—