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Home/Torque Specs/GMC/Envoy/2002-2009 4.2L I6/O2 Sensor - Downstream

O2 Sensor - Downstream Torque Specifications

2002-2009 GMC Envoy 4.2L I6

Labor Time:0.5 hours

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🔧 Torque Values20 specifications

Component	lb-ft	Nm	Notes
⚠️ Flange Bolts	35	47	—
⚠️ Flange Bolts	35	47	Apply anti-seize
Flange Bolts	35	47	—
Flange Bolts	35	47	Apply anti-seize
Hanger Bolts	15	20	—
Hanger Bolts	15	20	—
Hanger Bolts	15	20	—
Hanger Bolts	15	20	—
Heat Shield Bolts	10	14	—
Heat Shield Bolts	10	14	—
Manifold Nuts	25	34	Apply anti-seize
⚠️ Manifold Nuts	25	34	Apply anti-seize
Mounting Bolts	20	27	—
Mounting Bolts	20	27	—
⚠️ O2 Sensor	35	47	Anti-seize threads
⚠️ O2 Sensor	35	47	Apply anti-seize to threads
O2 Sensor	35	47	—
O2 Sensor	35	47	Apply anti-seize to threads
O2 Sensor	35	47	Anti-seize threads
⚠️ O2 Sensor	35	47	—

⚠️ = 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 2002-2009 GMC Envoy?

The primary torque specification for o2 sensor - downstream on a 2002-2009 GMC Envoy is 47 Nm (35 lb-ft).

How many torque specs are there for GMC Envoy o2 sensor - downstream?

There are 20 torque specifications for o2 sensor - downstream on the 2002-2009 GMC Envoy 4.2L I6, covering all related fasteners and components.

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