2003-2024 Chevrolet Express Flex Pipe 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:1.8 hours

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Torque Values (12 specifications)

Component	Nm	lb-ft	Notes
Cover Screws	11	8	—
Cover Screws	11	8	—
Exhaust Clamps	55	41	—
Exhaust Clamps	55	41	—
Flange Bolts	45	33	—
Flange Bolts	45	33	—
Hanger Bolts	20	15	—
Hanger Bolts	20	15	—
Mounting Bolts	27	20	—
Mounting Bolts	27	20	—
O2 Sensor	47	35	—
⚠️ O2 Sensor	47	35	—

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Common Questions

What is the torque spec for flex pipe on a 2003-2024 Chevrolet Express?

The primary torque specification for flex pipe on a 2003-2024 Chevrolet Express is 11 Nm (8 lb-ft).

How many torque specs are there for Chevrolet Express flex pipe?

There are 12 torque specifications for flex pipe on the 2003-2024 Chevrolet Express 4.3L V6, covering all related fasteners and components.