2007-2014 GMC Yukon Muffler Torque Specs

5.3L V8

Applies to 2007, 2008, 2009, 2010, 2011, 2012, 2013, and 2014 GMC Yukon

Labor Time:1.2 hours

Torque Values (16 specifications)

Component	Nm	lb-ft	Notes
⚠️ Clamp Bolts	54	40	—
Clamp Bolts	54	40	—
⚠️ Flange Bolts	41	30	Apply anti-seize
Flange Bolts	41	30	Apply anti-seize
Hanger Bolts	20	15	—
Hanger Bolts	20	15	—
Hanger Bracket Bolts	25	18	—
Hanger Bracket Bolts	25	18	—
Heat Shield Bolts	16	12	—
Heat Shield Bolts	16	12	—
⚠️ Manifold Nuts	42	31	Apply anti-seize
Manifold Nuts	42	31	Apply anti-seize
Muffler Clamps	55	41	—
Muffler Clamps	55	41	—
⚠️ O2 Sensor	60	44	Apply anti-seize to threads
O2 Sensor	60	44	Apply anti-seize to threads

The primary torque specification for muffler on a 2007-2014 GMC Yukon is 54 Nm (40 lb-ft).

There are 16 torque specifications for muffler on the 2007-2014 GMC Yukon 5.3L V8, covering all related fasteners and components.