2021 ASTON MARTIN DBX

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

Repairs0 Labor485 Torque1566 Fluid8 DTC1820 Battery1 Maintenance0 Recalls4

engine

Crankshaft R&R Torque Specs

for 2021 Aston Martin DBX 4.0L V8 Twin Turbo · AWD

Units

18 fasteners

Seq

Component

Torque

Angle

—

Connecting Rod Bolts

Critical

TTY - critical torque plus angle

33 lb-ft · 45 Nm

—

—

Crankshaft Pulley Bolt

Critical

Often TTY - check spec, may require impact

133 lb-ft · 180 Nm

—

—

Crankshaft Pulley Bolt

Critical

Often TTY, may need impact

133 lb-ft · 180 Nm

—

—

Cylinder Head Bolts✓ Verified

Critical

TTY - tighten in sequence plus angle

22 lb-ft · 30 Nm

—

—

Flexplate Bolts✓ Verified

Critical

Automatic transmissions

33 lb-ft · 45 Nm

—

—

Flywheel Bolts

Critical

Often TTY, tighten in star pattern

70 lb-ft · 95 Nm

—

—

Front Main Seal Housing

Critical

9 lb-ft · 12 Nm

—

—

Main Bearing Cap Bolts✓ Verified

Critical

TTY - tighten in sequence plus angle

22 lb-ft · 30 Nm

—

—

Oil Drain Plug✓ Verified

Critical

Use new crush washer

18 lb-ft · 25 Nm

—

—

Oil Pan Bolt

Critical

Tighten in sequence

9 lb-ft · 12 Nm

—

—

Oil Pump Bolts

Critical

9 lb-ft · 12 Nm

—

—

Oil Pump Pickup Tube✓ Verified

Critical

9 lb-ft · 12 Nm

—

—

Rear Main Seal Housing✓ Verified

Critical

9 lb-ft · 12 Nm

—

—

Timing Chain Guide Bolts

Critical

Replace if worn

9 lb-ft · 12 Nm

—

—

Timing Chain Tensioner Bolt

Critical

Install with pin/clip to compress

18 lb-ft · 25 Nm

—

—

Timing Cover Bolts - 10mm✓ Verified

Critical

Tighten in sequence

33 lb-ft · 45 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

—

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