Question 1

What is the torque spec for coolant flush on a 2017-2019 Buick LaCrosse?

Accepted Answer

The primary torque specification for coolant flush on a 2017-2019 Buick LaCrosse is 8 Nm (6 lb-ft). Note: Open during fill

Question 2

How many torque specs are there for Buick LaCrosse coolant flush?

Accepted Answer

There are 6 torque specifications for coolant flush on the 2017-2019 Buick LaCrosse 3.6L V6, covering all related fasteners and components.

Component	Nm	lb-ft	Notes
Bleed Screw	8	6	Open during fill
Coolant Hose Clamps	4	3	—
Drain Petcock	8	6	Hand tight
Hose Clamps	5	3	—
⚠️ Housing Bolts	16	12	—
⚠️ Pump Bolts	28	21	—

2017-2019 Buick LaCrosse Coolant Flush Torque Specs

Torque Values (6 specifications)