1998-2000 Lexus GS 400 Fuel Pump Torque Specs

4.0L V8

Applies to 1998, 1999, and 2000 Lexus GS 400

Labor Time:2 hours

🔧 Torque Values6 specifications

Component	lb-ft	Nm	Notes
Access Cover Screws	3	4	—
Fuel Line Quick Connect	—	—	Push until click
⚠️ Fuel Pump Lock Ring	50	68	Use lock ring tool
⚠️ Fuel Rail Bolts	17	23	—
⚠️ Line Fittings	23	31	—
Mounting Bolts	23	31	—

⚠️ = 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 fuel pump on a 1998-2000 Lexus GS 400 is 4 Nm (3 lb-ft).

There are 6 torque specifications for fuel pump on the 1998-2000 Lexus GS 400 4.0L V8, covering all related fasteners and components.