Downpipe Torque Specifications

2006-2011 Buick Lucerne 4.6L V8

Labor Time:2 hours

Torque Values (7 specifications)

Component	Nm	lb-ft	Notes
Cover Screws	14	10	—
⚠️ Flange Bolts	60	44	Apply anti-seize
Hanger Bolts	26	19	—
Heat Shield Bolts	16	12	—
⚠️ Manifold Nuts	42	31	Apply anti-seize
Mounting Bolts	34	25	—
⚠️ O2 Sensor	60	44	Apply anti-seize to threads

The primary torque specification for downpipe on a 2006-2011 Buick Lucerne is 14 Nm (10 lb-ft).

There are 7 torque specifications for downpipe on the 2006-2011 Buick Lucerne 4.6L V8, covering all related fasteners and components.