2015-2020 GMC Yukon Muffler Torque Specs

5.3L V8

Applies to 2015, 2016, 2017, 2018, 2019, and 2020 GMC Yukon

Labor Time:1.2 hours

Torque Values (12 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	—
Muffler Clamps	55	41	—
Muffler Clamps	55	41	—
⚠️ O2 Sensor	59	44	—
O2 Sensor	59	44	—

The primary torque specification for muffler on a 2015-2020 GMC Yukon is 54 Nm (40 lb-ft).

There are 12 torque specifications for muffler on the 2015-2020 GMC Yukon 5.3L V8, covering all related fasteners and components.