Home/Torque Specs/Chevrolet/Express/2003-2024 4.3L V6/O2 Sensor - Downstream

2003-2024 Chevrolet Express O2 Sensor - Downstream Torque Specs

4.3L V6

Applies to 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, and 2024 Chevrolet Express

Labor Time:0.6 hours

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🔧 Torque Values12 specifications

Component	lb-ft	Nm	Notes
Exhaust Flange Bolts	33	45	Apply anti-seize
⚠️ Exhaust Flange Bolts	33	45	Apply anti-seize
Flange Bolts	35	47	—
⚠️ Flange Bolts	35	47	—
Hanger Bolts	15	20	—
Hanger Bolts	15	20	—
Heat Shield Bolts	7	10	—
Heat Shield Bolts	7	10	—
Mounting Bolts	20	27	—
Mounting Bolts	20	27	—
O2 Sensor	33	45	Apply anti-seize to threads only
⚠️ 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 2003-2024 Chevrolet Express?

The primary torque specification for o2 sensor - downstream on a 2003-2024 Chevrolet Express is 45 Nm (33 lb-ft). Note: Apply anti-seize

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

There are 12 torque specifications for o2 sensor - downstream on the 2003-2024 Chevrolet Express 4.3L V6, covering all related fasteners and components.

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