1997-2004 Buick Regal Muffler Torque Specs

3.8L V6

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

Labor Time:1 hours

Torque Values (4 specifications)

Component	Nm	lb-ft	Notes
⚠️ Clamp Bolts	60	44	—
⚠️ Flange Bolts	45	33	Apply anti-seize
Hanger Bolts	22	16	—
⚠️ O2 Sensor	55	40	—

The primary torque specification for muffler on a 1997-2004 Buick Regal is 60 Nm (44 lb-ft).

There are 4 torque specifications for muffler on the 1997-2004 Buick Regal 3.8L V6, covering all related fasteners and components.