1990-2000 Lexus LS 400 Thermostat Torque Specs

4.0L V8

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

Labor Time:1 hours

Torque Values (8 specifications)

Component	Nm	lb-ft	Notes
Bleed Screw	7	5	Open during fill
Coolant Hose Clamps	4	3	—
Coolant Temperature Sensor	20	15	Use thread sealant
Hose Clamps	5	3	—
⚠️ Housing Bolts	16	12	—
⚠️ Pump Bolts	28	21	—
⚠️ Thermostat Housing Bolts	14	10	Clean mating surfaces
Thermostat Housing Bolts	15	11	—

The primary torque specification for thermostat on a 1990-2000 Lexus LS 400 is 7 Nm (5 lb-ft). Note: Open during fill

There are 8 torque specifications for thermostat on the 1990-2000 Lexus LS 400 4.0L V8, covering all related fasteners and components.