2003-2024 Chevrolet Express Timing Chain Guide 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:8.4 hours

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Torque Values (16 specifications)

Component	Nm	lb-ft	Notes
Camshaft Sprocket Bolt	75	55	—
⚠️ Camshaft Sprocket Bolt	75	55	—
Crankshaft Pulley Bolt	176	130	—
⚠️ Crankshaft Pulley Bolt	176	130	—
Guide Bolts	24	18	—
⚠️ Guide Bolts	24	18	—
Tensioner Bolt	20	15	—
⚠️ Tensioner Bolt	20	15	—
Timing Chain Guide Bolts	12	9	Replace if worn
⚠️ Timing Chain Guide Bolts	12	9	Replace if worn
Timing Cover Bolts	14	10	—
⚠️ Timing Cover Bolts	14	10	—
⚠️ Timing Cover Bolts - 8mm	25	18	Tighten in sequence
Timing Cover Bolts - 8mm	25	18	Tighten in sequence
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 timing chain guide on a 2003-2024 Chevrolet Express?

The primary torque specification for timing chain guide on a 2003-2024 Chevrolet Express is 75 Nm (55 lb-ft).

How many torque specs are there for Chevrolet Express timing chain guide?

There are 16 torque specifications for timing chain guide on the 2003-2024 Chevrolet Express 4.3L V6, covering all related fasteners and components.