Home/Torque Specs/Lexus/LS 400/1990-2000 4.0L V8/Secondary Air Injection Pump

1990-2000 Lexus LS 400 Secondary Air Injection Pump Torque Specs

4.0L V8

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

Labor Time:1.5 hours

🔧 Torque Values7 specifications

Component	lb-ft	Nm	Notes
Cover Screws	9	12	—
⚠️ Exhaust Flange Bolts	33	45	Apply anti-seize
⚠️ Flange Bolts	40	55	—
Hanger Bolts	17	23	—
Heat Shield Bolts	7	10	—
Mounting Bolts	23	31	—
⚠️ O2 Sensor	33	45	Apply anti-seize to threads only

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

⚠️ Some critical specs are estimated. Please verify sequence.

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Secondary Air Injection Pump Torque Specs on Other Vehicles

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1992-1995 1.5L I4 D15

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Common Questions

What is the torque spec for secondary air injection pump on a 1990-2000 Lexus LS 400?

The primary torque specification for secondary air injection pump on a 1990-2000 Lexus LS 400 is 12 Nm (9 lb-ft).

How many torque specs are there for Lexus LS 400 secondary air injection pump?

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

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