O2 Sensor - Downstream Torque Specifications

2001-2004 Subaru Legacy 3.0L H6

Labor Time:0.5 hours

🔧 Torque Values6 specifications

Component	lb-ft	Nm	Notes
⚠️ Flange Bolts	37	50	Apply anti-seize
Hanger Bolts	16	22	—
Heat Shield Bolts	10	14	—
⚠️ Manifold Nuts	26	35	Apply anti-seize
Mounting Bolts	21	28	—
⚠️ 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 o2 sensor - downstream on a 2001-2004 Subaru Legacy is 50 Nm (37 lb-ft). Note: Apply anti-seize

There are 6 torque specifications for o2 sensor - downstream on the 2001-2004 Subaru Legacy 3.0L H6, covering all related fasteners and components.