engine

Main Bearings Torque Specs

for 2008 Pontiac G8 6.0L V8 · RWD

Units

13 fasteners

Seq

Component

Torque

Angle

—

Cover Bolts

16 lb-ft · 22 Nm

—

Flywheel Bolts

Critical

Often TTY, tighten in star pattern | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

70 lb-ft · 95 Nm

—

Gasket Bolts

Critical

20 lb-ft · 27 Nm

—

Main Bearing Cap Bolts

Critical

TTY - tighten in sequence plus angle | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

55 lb-ft · 75 Nm

—

Main Cap Bolts (Inner/Outer)

Critical

Step 1: 15 lb-ft. Step 2: +80 degrees.

15 lb-ft · 20 Nm

80°

—

Main Cap Side Bolts

Critical

Tighten last. Apply sealant.

18 lb-ft · 25 Nm

—

Mounting Bolts

Critical

47 lb-ft · 64 Nm

—

Mounting Bolts

27 lb-ft · 37 Nm

—

Oil Drain Plug

Critical

Use new crush washer | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

26 lb-ft · 35 Nm

—

Oil Pan Bolts

Critical

Tighten in sequence | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

9 lb-ft · 12 Nm

—

Oil Pump Pickup Tube

Critical

⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

9 lb-ft · 12 Nm

—

Sensor Bolts

11 lb-ft · 15 Nm

—

Transmission-to-Engine Bolts

Critical

⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

41 lb-ft · 55 Nm

—

2008 PONTIAC G8

13 fasteners