1997-2004 Buick Regal Thermostat Torque Specs

3.8L V6

Applies to 1997, 1998, 1999, 2000, 2001, 2002, 2003, and 2004 Buick Regal

Labor Time:1 hours

🔧 Torque Values6 specifications

Component	lb-ft	Nm	Notes
Bleed Screw	6	8	Open during fill
Coolant Hose Clamps	3	4	—
Hose Clamps	3	5	—
⚠️ Housing Bolts	12	16	—
⚠️ Pump Bolts	21	28	—
⚠️ Thermostat Housing Bolts	11	15	Clean mating surfaces

⚠️ = 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 thermostat on a 1997-2004 Buick Regal is 8 Nm (6 lb-ft). Note: Open during fill

There are 6 torque specifications for thermostat on the 1997-2004 Buick Regal 3.8L V6, covering all related fasteners and components.