2006-2011 Buick Lucerne Horn Relay Torque Specs

3.9L V6

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

Labor Time:0.2 hours

🔧 Torque Values5 specifications

Component	lb-ft	Nm	Notes
Cover Screws	8	11	—
⚠️ Ground Bolt	10	14	—
Mounting Bolts	20	27	—
⚠️ Mounting Bolts	25	34	—
⚠️ Terminal Bolts	5	7	—

⚠️ = 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 horn relay on a 2006-2011 Buick Lucerne is 11 Nm (8 lb-ft).

There are 5 torque specifications for horn relay on the 2006-2011 Buick Lucerne 3.9L V6, covering all related fasteners and components.