2017-2019 Buick LaCrosse Timing Chain Torque Specs

2.5L I4

Applies to 2017, 2018, and 2019 Buick LaCrosse

Labor Time:8 hours

Torque Values (13 specifications)

Component	Nm	lb-ft	Notes
⚠️ Camshaft Sprocket Bolt	75	55	—
Cover Bolts	16	12	—
⚠️ Crankshaft Pulley Bolt	176	130	—
Electrical Connector Bolts	7	5	—
⚠️ Gasket Surface Bolts	20	15	Clean mating surfaces
⚠️ Guide Bolts	24	18	—
⚠️ Mounting Bolts	47	35	—
⚠️ Oil Pump Chain Tensioner	14	10	—
Sensor Mounting Bolts	11	8	—
⚠️ Tensioner Bolt	20	15	—
⚠️ Timing Chain Guide Bolts	24	18	—
⚠️ Timing Chain Tensioner Bolt	20	15	—
⚠️ Timing Cover Bolts	14	10	—

The primary torque specification for timing chain on a 2017-2019 Buick LaCrosse is 75 Nm (55 lb-ft).

There are 13 torque specifications for timing chain on the 2017-2019 Buick LaCrosse 2.5L I4, covering all related fasteners and components.