2003-2024 Chevrolet Express Head Gaskets - Both Torque Specs

4.3L V6

Applies to 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, and 2024 Chevrolet Express

Labor Time:21.6 hours

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Torque Values (26 specifications)

Component	Nm	lb-ft	Notes
Camshaft Cap Bolts	14	10	Tighten in sequence from center outward, multiple passes
⚠️ Camshaft Cap Bolts	14	10	Tighten in sequence from center outward, multiple passes
Camshaft Sprocket Bolt	80	59	Hold cam with wrench on hex
⚠️ Camshaft Sprocket Bolt	80	59	Hold cam with wrench on hex
Crankshaft Pulley Bolt	180	133	Often TTY - check spec, may require impact
⚠️ Crankshaft Pulley Bolt	180	133	Often TTY - check spec, may require impact
Cylinder Head Bolts	88	65	Multi-step + angle
⚠️ Cylinder Head Bolts	88	65	Multi-step + angle
⚠️ Exhaust Manifold Nuts	34	25	—
Exhaust Manifold Nuts	34	25	—
⚠️ Intake Manifold Bolts	24	18	—
Intake Manifold Bolts	24	18	—
Oil Drain Plug	35	26	Use new crush washer
⚠️ Oil Drain Plug	35	26	Use new crush washer
Rocker Arm Bolts	30	22	Tighten with cam lobe pointing away
⚠️ Rocker Arm Bolts	30	22	Tighten with cam lobe pointing away
Sensor Mounting Bolts	10	7	—
Sensor Mounting Bolts	10	7	—
⚠️ Timing Chain Tensioner Bolt	25	18	Install with pin/clip to compress
Timing Chain Tensioner Bolt	25	18	Install with pin/clip to compress
⚠️ Timing Cover Bolts - 8mm	25	18	Tighten in sequence
Timing Cover Bolts - 8mm	25	18	Tighten in sequence
VVT Solenoid Bolt	10	7	—
VVT Solenoid Bolt	10	7	—
Valve Cover Bolts	10	7	Tighten in sequence
Valve Cover Bolts	10	7	Tighten in sequence

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Common Questions

What is the torque spec for head gaskets - both on a 2003-2024 Chevrolet Express?

The primary torque specification for head gaskets - both on a 2003-2024 Chevrolet Express is 14 Nm (10 lb-ft). Note: Tighten in sequence from center outward, multiple passes

How many torque specs are there for Chevrolet Express head gaskets - both?

There are 26 torque specifications for head gaskets - both on the 2003-2024 Chevrolet Express 4.3L V6, covering all related fasteners and components.