1999-1999 Audi A8 O2 Sensor - Upstream Torque Specs

3.7L V8

Labor Time:0.7 hours

Torque Values (6 specifications)

Component	Nm	lb-ft	Notes
⚠️ Flange Bolts	47	35	Apply anti-seize
Hanger Bolts	20	15	—
Heat Shield Bolts	14	10	—
⚠️ Manifold Nuts	34	25	Apply anti-seize
Mounting Bolts	27	20	—
⚠️ O2 Sensor	47	35	Apply anti-seize to threads

The primary torque specification for o2 sensor - upstream on a 1999-1999 Audi A8 is 47 Nm (35 lb-ft). Note: Apply anti-seize

There are 6 torque specifications for o2 sensor - upstream on the 1999-1999 Audi A8 3.7L V8, covering all related fasteners and components.