Home/Torque Specs/Chevrolet/Impala SS/2004-2005 3.8L V6 Supercharged/O2 Sensor - Downstream

2004-2005 Chevrolet Impala SS O2 Sensor - Downstream Torque Specs

3.8L V6 Supercharged

Applies to 2004, and 2005 Chevrolet Impala SS

Labor Time:0.5 hours

🔧 Torque Values7 specifications

Component	lb-ft	Nm	Notes
⚠️ Exhaust Flange Bolts	33	45	Apply anti-seize
⚠️ Flange Bolts	40	54	Apply anti-seize
Hanger Bolts	17	23	—
Heat Shield Bolts	7	10	—
⚠️ Manifold Nuts	29	39	Apply anti-seize
Mounting Bolts	23	31	—
⚠️ O2 Sensor	33	45	Apply anti-seize to threads only

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

⚠️ Some critical specs are estimated. Please verify sequence.

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Common Questions

What is the torque spec for o2 sensor - downstream on a 2004-2005 Chevrolet Impala SS?

The primary torque specification for o2 sensor - downstream on a 2004-2005 Chevrolet Impala SS is 45 Nm (33 lb-ft). Note: Apply anti-seize

How many torque specs are there for Chevrolet Impala SS o2 sensor - downstream?

There are 7 torque specifications for o2 sensor - downstream on the 2004-2005 Chevrolet Impala SS 3.8L V6 Supercharged, covering all related fasteners and components.

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