Home/Torque Specs/Isuzu/Ascender/2003-2009 4.2L I6/Long Block Replacement

Long Block Replacement Torque Specifications

2003-2009 Isuzu Ascender 4.2L I6

Labor Time:12 hours

🔧 Torque Values18 specifications

Component	lb-ft	Nm	Notes
⚠️ Camshaft Cap Bolts	10	14	Tighten in sequence from center outward, multiple passes
⚠️ Connecting Rod Bolts	33	45	TTY - critical torque plus angle
Cover Bolts	12	16	—
⚠️ Cylinder Head Bolts	48	65	TTY - tighten in sequence plus angle
⚠️ Exhaust Manifold Nuts	22	30	Apply anti-seize, work hot-to-cold
⚠️ Flywheel Bolts	70	95	Often TTY, tighten in star pattern
⚠️ Gasket Bolts	15	20	—
⚠️ Intake Manifold Bolts	18	25	—
⚠️ Main Bearing Cap Bolts	55	75	TTY - tighten in sequence plus angle
Mounting Bolts	20	27	—
⚠️ Mounting Bolts	35	47	—
⚠️ Oil Drain Plug	26	35	Use new crush washer
⚠️ Oil Pan Bolts	9	12	—
Sensor Bolts	8	11	—
⚠️ Timing Chain Tensioner Bolt	18	25	Install with pin/clip to compress
⚠️ Timing Cover Bolts - 8mm	18	25	Tighten in sequence
⚠️ Transmission-to-Engine Bolts	41	55	—
Valve Cover Bolts	7	10	Tighten in sequence

⚠️ = Critical torque value | Always verify with vehicle-specific service manual

⚠️ Some critical specs are estimated. Please verify sequence.

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Common Questions

What is the torque spec for long block replacement on a 2003-2009 Isuzu Ascender?

The primary torque specification for long block replacement on a 2003-2009 Isuzu Ascender is 14 Nm (10 lb-ft). Note: Tighten in sequence from center outward, multiple passes

How many torque specs are there for Isuzu Ascender long block replacement?

There are 18 torque specifications for long block replacement on the 2003-2009 Isuzu Ascender 4.2L I6, covering all related fasteners and components.

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