engine
Timing Chain Kit Torque Specs
for 2021 Rolls-Royce Ghost 6.75L Twin-Turbo V12 (563 hp) — Ghost / Ghost Extended · AWD
Units
15 fasteners
Seq
Component
Torque
Angle
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Cam Phaser Bolt
CriticalApply threadlocker, hold cam stationary
48 lb-ft · 65 Nm
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Camshaft Sprocket Bolts
CriticalHold cam with wrench on hex
59 lb-ft · 80 Nm
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Crankshaft Pulley Bolt✓ Verified
CriticalOften TTY - check spec, may require impact
74 lb-ft · 100 Nm
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Guide Bolts✓ Verified
Critical7 lb-ft · 10 Nm
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Oil Drain Plug✓ Verified
CriticalUse new crush washer
18 lb-ft · 25 Nm
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—
Oil Pump Bolts✓ Verified
Critical16 lb-ft · 22 Nm
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Tensioner Bolt
Critical15 lb-ft · 20 Nm
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Timing Chain Guide Bolts
CriticalReplace if worn
9 lb-ft · 12 Nm
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—
Timing Chain Idler Sprocket✓ Verified
Critical22 lb-ft · 30 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 Bolt✓ Verified
Critical15 lb-ft · 21 Nm
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Timing Cover Bolts - 10mm
CriticalTighten in sequence
33 lb-ft · 45 Nm
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Timing Cover Bolts - 6mm
Tighten in sequence
7 lb-ft · 10 Nm
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Timing Cover Bolts - 8mm✓ Verified
CriticalTighten in sequence
15 lb-ft · 21 Nm
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Valve Cover Bolts
Tighten in sequence
7 lb-ft · 10 Nm
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