2006-2010 Hummer H3 Flex Pipe Torque Specs

3.5L I5

Applies to 2006, 2007, 2008, 2009, and 2010 Hummer H3

Labor Time:1.5 hours

Torque Values (8 specifications)

Component	Nm	lb-ft	Notes
Cover Screws	12	9	—
Exhaust Clamps	55	41	—
Flange Bolts	45	33	—
Hanger Bolts	23	17	—
Heat Shield Bolts	16	12	—
⚠️ Manifold Nuts	39	29	Apply anti-seize
Mounting Bolts	31	23	—
⚠️ O2 Sensor	54	40	Apply anti-seize to threads

The primary torque specification for flex pipe on a 2006-2010 Hummer H3 is 12 Nm (9 lb-ft).

There are 8 torque specifications for flex pipe on the 2006-2010 Hummer H3 3.5L I5, covering all related fasteners and components.