1990-1992 Pontiac Firebird O2 Sensor - Upstream Torque Specs

5.7L V8

Applies to 1990, 1991, and 1992 Pontiac Firebird

Labor Time:0.5 hours

🔧 Torque Values5 specifications

Component	lb-ft	Nm	Notes
⚠️ Flange Bolts	47	64	—
Hanger Bolts	20	27	—
Mounting Bolts	27	37	—
⚠️ O2 Sensor	47	64	Anti-seize threads
⚠️ O2 Sensor	47	64	—

⚠️ = 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 - upstream on a 1990-1992 Pontiac Firebird is 64 Nm (47 lb-ft).

There are 5 torque specifications for o2 sensor - upstream on the 1990-1992 Pontiac Firebird 5.7L V8, covering all related fasteners and components.