Timing Chain Torque Specifications

2002-2010 Lexus SC 430 4.3L V8

Labor Time:8 hours

Torque Values (20 specifications)

Component	Nm	lb-ft	Notes
⚠️ Cam Phaser Bolt	65	48	Apply threadlocker, hold cam stationary \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Camshaft Bearing Cap Bolts	14	10	Tighten in sequence, 3 passes \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Camshaft Cap Bolts	14	10	Tighten in sequence from center outward, multiple passes \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Camshaft Position Sensor	10	7	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Camshaft Sprocket Bolt	80	59	Hold cam with wrench on hex \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Crankshaft Position Sensor	10	7	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Crankshaft Pulley Bolt	180	133	Often TTY - check spec, may require impact \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Guide Bolts	24	18	—
⚠️ Oil Drain Plug	35	26	Use new crush washer \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Oil Pump Bolts	12	9	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Tensioner Bolt	20	15	—
⚠️ Timing Chain Guide Bolts	12	9	Replace if worn \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Timing Chain Idler Sprocket	25	18	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Timing Chain Tensioner Bolt	25	18	Install with pin/clip to compress \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Timing Cover Bolts	14	10	—
⚠️ Timing Cover Bolts - 10mm	45	33	Tighten in sequence \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Timing Cover Bolts - 6mm	10	7	Tighten in sequence \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Timing Cover Bolts - 8mm	25	18	Tighten in sequence \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ VVT Solenoid Bolt	10	7	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Valve Cover Bolts	10	7	Tighten in sequence \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

Other Jobs with Torque Specs

Common Questions

What is the torque spec for timing chain on a 2002-2010 Lexus SC 430?

The primary torque specification for timing chain on a 2002-2010 Lexus SC 430 is 65 Nm (48 lb-ft). Note: Apply threadlocker, hold cam stationary | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

How many torque specs are there for Lexus SC 430 timing chain?

There are 20 torque specifications for timing chain on the 2002-2010 Lexus SC 430 4.3L V8, covering all related fasteners and components.