Muffler Torque Specifications

2003-2024 Chevrolet Express 6.0L V8

Labor Time:1.2 hours

Torque Values (16 specifications)

Component	Nm	lb-ft	Notes
Clamp Bolts	71	52	—
⚠️ Clamp Bolts	71	52	—
Flange Bolts	53	39	Apply anti-seize
⚠️ Flange Bolts	53	39	Apply anti-seize
Hanger Bolts	27	20	—
Hanger Bolts	27	20	—
Hanger Bracket Bolts	25	18	—
Hanger Bracket Bolts	25	18	—
Heat Shield Bolts	19	14	—
Heat Shield Bolts	19	14	—
Manifold Nuts	46	34	Apply anti-seize
⚠️ Manifold Nuts	46	34	Apply anti-seize
Muffler Clamps	55	41	—
Muffler Clamps	55	41	—
O2 Sensor	64	47	Apply anti-seize to threads
⚠️ O2 Sensor	64	47	Apply anti-seize to threads

The primary torque specification for muffler on a 2003-2024 Chevrolet Express is 71 Nm (52 lb-ft).

There are 16 torque specifications for muffler on the 2003-2024 Chevrolet Express 6.0L V8, covering all related fasteners and components.