2004-2007 Cadillac STS Downpipe Torque Specs

4.6L V8

Applies to 2004, 2005, 2006, and 2007 Cadillac STS

Labor Time:2 hours

Torque Values (7 specifications)

Component	Nm	lb-ft	Notes
Cover Screws	14	10	—
⚠️ Exhaust Flange Bolts	45	33	Apply anti-seize
⚠️ Flange Bolts	59	44	—
Hanger Bolts	25	19	—
Heat Shield Bolts	10	7	—
Mounting Bolts	34	25	—
⚠️ O2 Sensor	45	33	Apply anti-seize to threads only

The primary torque specification for downpipe on a 2004-2007 Cadillac STS is 14 Nm (10 lb-ft).

There are 7 torque specifications for downpipe on the 2004-2007 Cadillac STS 4.6L V8, covering all related fasteners and components.