engine
Cylinder Head R&R Torque Specs
for 2021 Rolls-Royce Ghost 6.75L Twin-Turbo V12 (563 hp) — Ghost / Ghost Extended · AWD
Units
14 fasteners
Seq
Component
Torque
Angle
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Camshaft Bearing Cap Bolts✓ Verified
CriticalTighten in sequence, 3 passes
7 lb-ft · 10 Nm
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Camshaft Cap Bolts✓ Verified
CriticalTighten in sequence from center outward, multiple passes
7 lb-ft · 10 Nm
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Camshaft Sprocket Bolts
CriticalHold cam with wrench on hex
59 lb-ft · 80 Nm
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Cylinder Head Bolts✓ Verified
CriticalTTY - tighten in sequence plus angle
30 lb-ft · 40 Nm
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Exhaust Manifold Nuts✓ Verified
CriticalApply anti-seize, work hot-to-cold
15 lb-ft · 21 Nm
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Intake Manifold Bolt✓ Verified
Critical10 lb-ft · 14 Nm
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Oil Drain Plug✓ Verified
CriticalUse new crush washer
18 lb-ft · 25 Nm
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Rocker Arm Bolts
CriticalTighten with cam lobe pointing away
22 lb-ft · 30 Nm
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Rocker Arm Shaft Bolts
CriticalTighten evenly in sequence
18 lb-ft · 25 Nm
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Thermostat Housing Bolt
11 lb-ft · 15 Nm
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Timing Chain Guide Bolts
CriticalReplace if worn
9 lb-ft · 12 Nm
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Timing Chain Tensioner Bolt
CriticalInstall with pin/clip to compress
18 lb-ft · 25 Nm
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Timing Cover Bolts - 8mm✓ Verified
CriticalTighten in sequence
18 lb-ft · 25 Nm
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Valve Cover Bolts
Tighten in sequence
7 lb-ft · 10 Nm
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