for 2003 Pontiac Bonneville 4.6L V8 Northstar · FWD
Units
10 fasteners
Seq
Component
Torque
Angle
—
Cover Bolts
15 lb-ft · 20 Nm
—
—
Electrical Connector Bolts
6 lb-ft · 8 Nm
—
—
Gasket Surface Bolts
Critical
Clean mating surfaces
19 lb-ft · 26 Nm
—
—
Ignition Coil Bolts
6 lb-ft · 8 Nm
—
—
Intake Manifold Bolts
If required
18 lb-ft · 25 Nm
—
—
Mounting Bolts
Critical
44 lb-ft · 60 Nm
—
—
Sensor Mounting Bolts
10 lb-ft · 14 Nm
—
—
Spark Plugs - Aluminum Head
Critical
Apply anti-seize to threads
15 lb-ft · 20 Nm
—
—
Spark Plug Tube Seals
Press fit
0 lb-ft · 0 Nm
—
—
Valve Cover Bolts
Tighten in sequence
7 lb-ft · 10 Nm
—
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