4.0L V8 Twin Turbo•RWD•AUTOMATIC•gas•turbo

Repairs0 Labor474 Torque1583 Fluid8 DTC1820 Battery1 Maintenance0 Recalls0

engine

Short Block Replacement Torque Specs

for 2021 McLaren 720S 4.0L V8 Twin Turbo · RWD

Units

9 fasteners

Seq

Component

Torque

Angle

—

Connecting Rod Bolts✓ Verified

Critical

TTY - critical torque plus angle

15 lb-ft · 20 Nm

—

Crankshaft Pulley Bolt

Critical

Often TTY - check spec, may require impact

133 lb-ft · 180 Nm

—

Flywheel Bolts★ OEM verified

Critical

Often TTY, tighten in star pattern

66.4 lb-ft · 90 Nm

—

Main Bearing Cap Bolts★ OEM verified

Critical

TTY - tighten in sequence plus angle

40.6 lb-ft · 55 Nm

—

Oil Drain Plug★ OEM verified

Critical

Use new crush washer

17.7 lb-ft · 24 Nm

—

Oil Pan Bolt

Critical

9 lb-ft · 12 Nm

—

Oil Pump Bolts★ OEM verified

Critical

7.4 lb-ft · 10 Nm

—

Timing Cover Bolts - 8mm✓ Verified

Critical

Tighten in sequence

18 lb-ft · 25 Nm

—

Transmission-to-Engine Bolts★ OEM verified

Critical

36.9 lb-ft · 50 Nm

—

For shop owners

Tired of looking specs up mid-job?

Auto Shop Base keeps torque specs, labor times and fluids right on the work order.

Talk to the owner See what's included

Built by a shop owner. Talk to Chris, not a sales rep.

🔌 Need this data in your app? It's all in the free API →

🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.

Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI

Share:X Reddit FB WhatsApp Threads Email

⚠ STILL BEHIND THE PAYWALL

The 2021 McLaren 720S repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.

The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.

Sponsor the McLaren 720S — $99 →

Building an app?

Free API key: 10 requests/day, 100/month, no card required.

Get an API key →

Run a shop?

A free website, SEO and Google reviews with your shop software. Auto Shop Base Professional, $250/mo, with our labor times on every estimate.

See what's included →