1990-2000 Lexus LS 400 Timing Chain Kit Torque Specs

4.0L V8

Applies to 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, and 2000 Lexus LS 400

Labor Time:9 hours

Torque Values (15 specifications)

Component	Nm	lb-ft	Notes
⚠️ Cam Phaser Bolt	65	48	Apply threadlocker, hold cam stationary
⚠️ Camshaft Sprocket Bolt	80	59	Hold cam with wrench on hex
⚠️ Crankshaft Pulley Bolt	180	133	Often TTY - check spec, may require impact
⚠️ Guide Bolts	28	21	—
⚠️ Oil Drain Plug	35	26	Use new crush washer
⚠️ Oil Pump Bolts	12	9	—
⚠️ Tensioner Bolt	23	17	—
⚠️ Timing Chain Guide Bolts	12	9	Replace if worn
⚠️ Timing Chain Idler Sprocket	25	18	—
⚠️ Timing Chain Tensioner Bolt	25	18	Install with pin/clip to compress
⚠️ Timing Cover Bolts	16	12	—
⚠️ Timing Cover Bolts - 10mm	45	33	Tighten in sequence
Timing Cover Bolts - 6mm	10	7	Tighten in sequence
⚠️ Timing Cover Bolts - 8mm	25	18	Tighten in sequence
Valve Cover Bolts	10	7	Tighten in sequence

The primary torque specification for timing chain kit on a 1990-2000 Lexus LS 400 is 65 Nm (48 lb-ft). Note: Apply threadlocker, hold cam stationary

There are 15 torque specifications for timing chain kit on the 1990-2000 Lexus LS 400 4.0L V8, covering all related fasteners and components.