2006-2011 Buick Lucerne AC Hose Assembly Torque Specs

4.6L V8

Applies to 2006, 2007, 2008, 2009, 2010, and 2011 Buick Lucerne

Labor Time:2 hours

🔧 Torque Values8 specifications

Component	lb-ft	Nm	Notes
⚠️ AC Line Fittings	19	25	New O-rings
Blower Motor Screws	6	8	—
⚠️ Compressor Bolts	31	42	—
Cover Screws	10	14	—
Duct Clips	2	3	—
⚠️ Line Fittings	19	26	Use new O-rings, add oil
Mounting Bolts	25	34	—
Mounting Bracket Bolts	22	30	—

⚠️ = 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 ac hose assembly on a 2006-2011 Buick Lucerne is 25 Nm (19 lb-ft). Note: New O-rings

There are 8 torque specifications for ac hose assembly on the 2006-2011 Buick Lucerne 4.6L V8, covering all related fasteners and components.