Valve Seals Torque Specifications

2002-2010 Lexus SC 430 4.3L V8

Labor Time:8 hours

Torque Values (10 specifications)

Component	Nm	lb-ft	Notes
⚠️ Camshaft Cap Bolts	14	10	Tighten in sequence from center outward, multiple passes
Cover Bolts	16	12	—
⚠️ Gasket Bolts	20	15	—
Mounting Bolts	27	20	—
⚠️ Mounting Bolts	47	35	—
⚠️ Rocker Arm Bolts	30	22	Tighten with cam lobe pointing away
⚠️ Rocker Arm Shaft Bolts	25	18	Tighten evenly in sequence
Sensor Bolts	11	8	—
⚠️ Spark Plugs - Aluminum Head	20	15	Apply anti-seize to threads
Valve Cover Bolts	10	7	Tighten in sequence

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Common Questions

What is the torque spec for valve seals on a 2002-2010 Lexus SC 430?

The primary torque specification for valve seals on a 2002-2010 Lexus SC 430 is 14 Nm (10 lb-ft). Note: Tighten in sequence from center outward, multiple passes

How many torque specs are there for Lexus SC 430 valve seals?

There are 10 torque specifications for valve seals on the 2002-2010 Lexus SC 430 4.3L V8, covering all related fasteners and components.