2012-2020 Lexus GS 350 Head Gaskets - Both Torque Specs

3.5L V6

Applies to 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, and 2020 Lexus GS 350

Labor Time:18 hours

🔧 Torque Values5 specifications

Component	lb-ft	Nm	Notes
⚠️ Camshaft Cap Bolts	14	19	Torque sequence
⚠️ Cylinder Head Bolts	75	101	Multi-step + angle
⚠️ Exhaust Manifold Nuts	29	39	—
⚠️ Intake Manifold Bolts	21	28	—
⚠️ Valve Cover Bolts	12	16	—

⚠️ = 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 head gaskets - both on a 2012-2020 Lexus GS 350 is 19 Nm (14 lb-ft). Note: Torque sequence

There are 5 torque specifications for head gaskets - both on the 2012-2020 Lexus GS 350 3.5L V6, covering all related fasteners and components.