Alternator Torque Specifications

1990-2000 Lexus LS 400 4.0L V8

Labor Time:1.5 hours

🔧 Torque Values7 specifications

Component	lb-ft	Nm	Notes
⚠️ Alternator Mounting Bolts	37	50	—
Alternator Pivot Bolt	18	25	—
⚠️ Battery Cable Nut	12	16	—
Battery Terminal Bolts	4	6	Do not overtighten
⚠️ Ground Bolt	12	16	—
⚠️ Mounting Bolts	29	39	—
Serpentine Belt Tensioner	41	55	—

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

⚠️ Some critical specs are estimated. Please verify sequence.

1990-1997 4.6L V8 Modular

2007-2012 3.7L I5

2011-2016 6.7L V8 Power Stroke Diesel

1992-1995 1.5L I4 D15

2016-2023 2.0L Turbo I4

1995-1999 2.0L Turbo I4

The primary torque specification for alternator on a 1990-2000 Lexus LS 400 is 50 Nm (37 lb-ft).

There are 7 torque specifications for alternator on the 1990-2000 Lexus LS 400 4.0L V8, covering all related fasteners and components.