Coolant Service Torque Specifications

2002-2010 Lexus SC 430 4.3L V8

Labor Time:1 hours

🔧 Torque Values8 specifications

Component	lb-ft	Nm	Notes
Air Box Clips	4	5	—
Bleed Screw	5	7	Open during fill
Bracket Bolts	15	20	—
Cover Screws	8	11	—
Drain Petcock	5	7	Hand tight
Mounting Bolts	20	27	—
⚠️ Oil Drain Plug	26	35	Use new crush washer
⚠️ Wheel Lug Nuts	103	140	Torque in star pattern

⚠️ = 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 coolant service on a 2002-2010 Lexus SC 430 is 5 Nm (4 lb-ft).

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