2001-2005 Lexus GS 430 Valve Job - Complete Torque Specs

4.3L V8

Applies to 2001, 2002, 2003, 2004, and 2005 Lexus GS 430

Labor Time:10 hours

🔧 Torque Values7 specifications

Component	lb-ft	Nm	Notes
Cover Bolts	14	19	—
Electrical Connector Bolts	6	8	—
⚠️ Gasket Bolts	15	20	—
⚠️ Gasket Surface Bolts	17	23	Clean mating surfaces
⚠️ Mounting Bolts	40	54	—
Sensor Bolts	8	11	—
Sensor Mounting Bolts	9	12	—

⚠️ = 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

2022-2024 GT-Line Dual Motor AWD

1992-1995 1.5L I4 D15

2016-2023 2.0L Turbo I4

The primary torque specification for valve job - complete on a 2001-2005 Lexus GS 430 is 19 Nm (14 lb-ft).

There are 7 torque specifications for valve job - complete on the 2001-2005 Lexus GS 430 4.3L V8, covering all related fasteners and components.