Downpipe Torque Specifications

1991-1996 Buick Roadmaster 5.7L V8

Labor Time:2 hours

🔧 Torque Values5 specifications

Component	lb-ft	Nm	Notes
Cover Screws	11	15	—
⚠️ Flange Bolts	47	64	—
Hanger Bolts	20	27	—
Mounting Bolts	27	37	—
⚠️ 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

2022-2024 GT-Line Dual Motor AWD

1992-1995 1.5L I4 D15

2016-2023 2.0L Turbo I4

The primary torque specification for downpipe on a 1991-1996 Buick Roadmaster is 15 Nm (11 lb-ft).

There are 5 torque specifications for downpipe on the 1991-1996 Buick Roadmaster 5.7L V8, covering all related fasteners and components.