2012-2020 Chevrolet Sonic Valve Spring - Single Torque Specs

1.8L I4

Applies to 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, and 2020 Chevrolet Sonic

Labor Time:3 hours

Torque Values (8 specifications)

Component	Nm	lb-ft	Notes
Cover Bolts	15	11	—
⚠️ Gasket Bolts	19	14	—
Mounting Bolts	26	19	—
⚠️ Mounting Bolts	45	33	—
⚠️ Rocker Arm Bolts	30	22	Tighten with cam lobe pointing away
Sensor Bolts	10	8	—
⚠️ Spark Plugs - Aluminum Head	20	15	Apply anti-seize to threads
Valve Cover Bolts	10	7	Tighten in sequence

The primary torque specification for valve spring - single on a 2012-2020 Chevrolet Sonic is 15 Nm (11 lb-ft).

There are 8 torque specifications for valve spring - single on the 2012-2020 Chevrolet Sonic 1.8L I4, covering all related fasteners and components.