Home/Torque Specs/Chevrolet/Express/2003-2024 6.0L V8/Timing Chain

2003-2024 Chevrolet Express Timing Chain Torque Specs

6.0L V8

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:9.6 hours

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🔧 Torque Values56 specifications

Component	lb-ft	Nm	Notes
⚠️ Cam Phaser Bolt	48	65	Apply threadlocker, hold cam stationary \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Cam Phaser Bolt	48	65	Apply threadlocker, hold cam stationary \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Camshaft Bearing Cap Bolts	10	14	Tighten in sequence, 3 passes \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Camshaft Bearing Cap Bolts	10	14	Tighten in sequence, 3 passes \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Camshaft Cap Bolts	10	14	Tighten in sequence from center outward, multiple passes \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Camshaft Cap Bolts	10	14	Tighten in sequence from center outward, multiple passes \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Camshaft Position Sensor	7	10	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Camshaft Position Sensor	7	10	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Camshaft Sprocket Bolt	59	80	Hold cam with wrench on hex \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Camshaft Sprocket Bolt	59	80	Hold cam with wrench on hex \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Camshaft Sprocket Bolt (Single Bolt)	55 +50°	75	Many Gen 4 use single bolt cam. 55 lb-ft + 50 degrees.
⚠️ Camshaft Sprocket Bolt (Single Bolt)	55 +50°	75	Many Gen 4 use single bolt cam. 55 lb-ft + 50 degrees.
⚠️ Camshaft Sprocket Bolts (3-Bolt Conversion)	26	35	If using 3-bolt cam: 26 lb-ft + thread locker.
Camshaft Sprocket Bolts (3-Bolt Conversion)	26	35	If using 3-bolt cam: 26 lb-ft + thread locker.
Cover Bolts	16	22	—
Cover Bolts	16	22	—
Crankshaft Position Sensor	7	10	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Crankshaft Position Sensor	7	10	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Crankshaft Pulley Bolt	133	180	Often TTY - check spec, may require impact \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Crankshaft Pulley Bolt	133	180	Often TTY - check spec, may require impact \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Electrical Connector Bolts	7	9	—
Electrical Connector Bolts	7	9	—
Gasket Surface Bolts	20	27	Clean mating surfaces
⚠️ Gasket Surface Bolts	20	27	Clean mating surfaces
Guide Bolts	24	33	—
⚠️ Guide Bolts	24	33	—
⚠️ Mounting Bolts	47	64	—
Mounting Bolts	47	64	—
⚠️ Oil Drain Plug	26	35	Use new crush washer \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Oil Drain Plug	26	35	Use new crush washer \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Oil Pump Bolts	9	12	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Oil Pump Bolts	9	12	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Sensor Mounting Bolts	11	15	—
Sensor Mounting Bolts	11	15	—
Tensioner Bolt	20	27	—
⚠️ Tensioner Bolt	20	27	—
⚠️ Timing Chain Guide Bolts	9	12	Replace if worn \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Timing Chain Guide Bolts	9	12	Replace if worn \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Timing Chain Idler Sprocket	18	25	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Timing Chain Idler Sprocket	18	25	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Timing Chain Tensioner	18	25	Leaf spring style tensioner on most Gen 4.
Timing Chain Tensioner	18	25	Leaf spring style tensioner on most Gen 4.
⚠️ Timing Chain Tensioner Bolt	18	25	Install with pin/clip to compress \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Timing Chain Tensioner Bolt	18	25	Install with pin/clip to compress \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Timing Cover Bolts	14	18	—
⚠️ Timing Cover Bolts	14	18	—
⚠️ Timing Cover Bolts - 10mm	33	45	Tighten in sequence \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Timing Cover Bolts - 10mm	33	45	Tighten in sequence \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Timing Cover Bolts - 6mm	7	10	Tighten in sequence \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Timing Cover Bolts - 6mm	7	10	Tighten in sequence \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Timing Cover Bolts - 8mm	18	25	Tighten in sequence \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Timing Cover Bolts - 8mm	18	25	Tighten in sequence \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
VVT Solenoid Bolt	7	10	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ VVT Solenoid Bolt	7	10	⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
Valve Cover Bolts	7	10	Tighten in sequence \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
⚠️ Valve Cover Bolts	7	10	Tighten in sequence \| ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

⚠️ = Critical torque value | Always verify with vehicle-specific service manual

⚠️ Some critical specs are estimated. Please verify sequence.

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Common Questions

What is the torque spec for timing chain on a 2003-2024 Chevrolet Express?

The primary torque specification for timing chain on a 2003-2024 Chevrolet Express is 65 Nm (48 lb-ft). Note: Apply threadlocker, hold cam stationary | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

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

There are 56 torque specifications for timing chain on the 2003-2024 Chevrolet Express 6.0L V8, covering all related fasteners and components.

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