engine
Short Block Replacement Torque Specs
for 2021 McLaren 765LT 4.0L V8 Twin Turbo · RWD
Units
12 fasteners
Seq
Component
Torque
Angle
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Connecting Rod Bolts✓ Verified
CriticalTTY - critical torque plus angle
15 lb-ft · 20 Nm
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Crankshaft Pulley Bolt
CriticalOften TTY - check spec, may require impact
133 lb-ft · 180 Nm
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Electrical Connector Bolts
6 lb-ft · 8 Nm
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Flywheel Bolts✓ Verified
CriticalOften TTY, tighten in star pattern
66.4 lb-ft · 90 Nm
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Gasket Surface Bolts
CriticalClean mating surfaces
17 lb-ft · 23 Nm
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Main Bearing Cap Bolts
CriticalTTY - tighten in sequence plus angle
55 lb-ft · 75 Nm
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Oil Drain Plug✓ Verified
CriticalUse new crush washer
17.7 lb-ft · 24 Nm
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Oil Pan Bolt
Critical9 lb-ft · 12 Nm
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Oil Pump Bolts
Critical9 lb-ft · 12 Nm
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Sensor Mounting Bolts
9 lb-ft · 12 Nm
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Timing Cover Bolts - 8mm✓ Verified
CriticalTighten in sequence
18 lb-ft · 25 Nm
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Transmission-to-Engine Bolts✓ Verified
Critical36.9 lb-ft · 50 Nm
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