2008-2010 Hummer H3 Alpha Flexplate Torque Specs

5.3L V8

Applies to 2008, 2009, and 2010 Hummer H3 Alpha

Labor Time:5 hours

Torque Values (13 specifications)

Component	Nm	lb-ft	Notes
Cover Bolts	20	15	—
Cover Bolts	20	15	—
Electrical Connector Bolts	8	6	—
⚠️ Flexplate Bolts	85	63	Automatic transmissions \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Gasket Bolts	25	19	—
⚠️ Gasket Surface Bolts	26	19	Clean mating surfaces
Mounting Bolts	34	25	—
⚠️ Mounting Bolts	59	44	—
⚠️ Mounting Bolts	60	44	—
Sensor Bolts	14	10	—
Sensor Mounting Bolts	14	10	—
⚠️ Torque Converter Bolts	50	37	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Transmission-to-Engine Bolts	55	41	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

The primary torque specification for flexplate on a 2008-2010 Hummer H3 Alpha is 20 Nm (15 lb-ft).

There are 13 torque specifications for flexplate on the 2008-2010 Hummer H3 Alpha 5.3L V8, covering all related fasteners and components.