2002-2009 Chevrolet TrailBlazer O2 Sensor - Downstream Torque Specs

4.2L I6 Vortec

Applies to 2002, 2003, 2004, 2005, 2006, 2007, 2008, and 2009 Chevrolet TrailBlazer

Labor Time:0.5 hours

Torque Values (18 specifications)

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

Other Jobs with Torque Specs

Common Questions

What is the torque spec for o2 sensor - downstream on a 2002-2009 Chevrolet TrailBlazer?

The primary torque specification for o2 sensor - downstream on a 2002-2009 Chevrolet TrailBlazer is 45 Nm (33 lb-ft). Note: Apply anti-seize

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

There are 18 torque specifications for o2 sensor - downstream on the 2002-2009 Chevrolet TrailBlazer 4.2L I6 Vortec, covering all related fasteners and components.