Heater Hoses Torque Specifications

2002-2010 Lexus SC 430 4.3L V8

Labor Time:1 hours

🔧 Torque Values8 specifications

Component	lb-ft	Nm	Notes
Coolant Drain Plug	11	15	—
Cover Screws	8	11	—
Hose Clamps	2	3	—
⚠️ Housing Bolts	10	14	—
Mounting Bolts	20	27	—
⚠️ Pump Bolts	18	24	—
Thermostat Housing Bolts	11	15	—
⚠️ Water Pump Bolts	18	25	Tighten in criss-cross 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

2022-2024 GT-Line Dual Motor AWD

1992-1995 1.5L I4 D15

2016-2023 2.0L Turbo I4

The primary torque specification for heater hoses on a 2002-2010 Lexus SC 430 is 15 Nm (11 lb-ft).

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