2003-2009 Isuzu Ascender Oil Pump Torque Specs

4.2L I6

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

Labor Time:6 hours

Torque Values (10 specifications)

Component	Nm	lb-ft	Notes
Cover Bolts	16	12	—
⚠️ Gasket Bolts	20	15	—
Mounting Bolts	27	20	—
⚠️ Mounting Bolts	47	35	—
⚠️ Oil Drain Plug	35	26	Use new crush washer
⚠️ Oil Pan Bolts	12	9	—
⚠️ Oil Pump Bolts	12	9	—
⚠️ Oil Pump Pickup Tube	12	9	—
Sensor Bolts	11	8	—
⚠️ Timing Cover Bolts - 8mm	25	18	Tighten in sequence

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

There are 10 torque specifications for oil pump on the 2003-2009 Isuzu Ascender 4.2L I6, covering all related fasteners and components.