Valve Adjustment Torque Specifications

2002-2010 Lexus SC 430 4.3L V8

Labor Time:2 hours

Torque Values (8 specifications)

Component	Nm	lb-ft	Notes
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
Sensor Bolts	11	8	—
Valve Cover Bolts	10	7	Tighten in sequence
⚠️ Valve Lash Adjusting Screw Lock Nut	20	15	Hold screw while tightening

The primary torque specification for valve adjustment on a 2002-2010 Lexus SC 430 is 16 Nm (12 lb-ft).

There are 8 torque specifications for valve adjustment on the 2002-2010 Lexus SC 430 4.3L V8, covering all related fasteners and components.