2004-2006 GMC Envoy XUV Head Gaskets - Both Torque Specs

4.2L I6

Applies to 2004, 2005, and 2006 GMC Envoy XUV

Labor Time:18 hours

🔧 Torque Values5 specifications

Component	lb-ft	Nm	Notes
⚠️ Camshaft Cap Bolts	12	16	Torque sequence
⚠️ Cylinder Head Bolts	65	88	Multi-step + angle
⚠️ Exhaust Manifold Nuts	25	34	—
⚠️ Intake Manifold Bolts	18	24	—
⚠️ Valve Cover Bolts	10	14	—

⚠️ = 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 2004-2006 GMC Envoy XUV is 16 Nm (12 lb-ft). Note: Torque sequence

There are 5 torque specifications for head gaskets - both on the 2004-2006 GMC Envoy XUV 4.2L I6, covering all related fasteners and components.