Muffler Torque Specifications

2002-2005 Audi A4 3.0L V6

Labor Time:1.4 hours

🔧 Torque Values7 specifications

Component	lb-ft	Nm	Notes
⚠️ Clamp Bolts	42	57	—
⚠️ Flange Bolts	32	43	Apply anti-seize
Hanger Bolts	16	22	—
Heat Shield Bolts	10	14	—
⚠️ Manifold Nuts	26	35	Apply anti-seize
⚠️ O2 Sensor	37	50	—
⚠️ O2 Sensor	37	50	Apply anti-seize to threads

⚠️ = Critical torque value | Always verify with vehicle-specific service manual

⚠️ Some critical specs are estimated. Please verify sequence.

1990-1997 4.6L V8 Modular

2007-2012 3.7L I5

2011-2016 6.7L V8 Power Stroke Diesel

1992-1995 1.5L I4 D15

2016-2023 2.0L Turbo I4

1995-1999 2.0L Turbo I4

The primary torque specification for muffler on a 2002-2005 Audi A4 is 57 Nm (42 lb-ft).

There are 7 torque specifications for muffler on the 2002-2005 Audi A4 3.0L V6, covering all related fasteners and components.