2003-2009 Isuzu Ascender Harmonic Balancer Torque Specs

4.2L I6

Applies to 2003, 2004, 2005, 2006, 2007, 2008, and 2009 Isuzu Ascender

Labor Time:2 hours

Torque Values (7 specifications)

Component	Nm	lb-ft	Notes
Cover Bolts	16	12	—
⚠️ Crankshaft Pulley Bolt	180	133	Often TTY - check spec, may require impact \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Gasket Bolts	20	15	—
⚠️ Harmonic Balancer Bolt	180	133	Often TTY, may need impact \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Mounting Bolts	27	20	—
⚠️ Mounting Bolts	47	35	—
Sensor Bolts	11	8	—

The primary torque specification for harmonic balancer on a 2003-2009 Isuzu Ascender is 16 Nm (12 lb-ft).

There are 7 torque specifications for harmonic balancer on the 2003-2009 Isuzu Ascender 4.2L I6, covering all related fasteners and components.