2015-2021 Subaru WRX Radiator Torque Specs

2.0L Turbo H4

Applies to 2015, 2016, 2017, 2018, 2019, 2020, and 2021 Subaru WRX

Labor Time:2 hours

Torque Values (11 specifications)

Component	Nm	lb-ft	Notes
Cover Screws	11	8	—
Drain Petcock	5	4	Plastic - hand tight
Fan Bolts	11	8	—
Hose Clamps	4	3	Do not overtighten
⚠️ Housing Bolts	14	10	—
Mounting Bolts	27	20	—
⚠️ Pump Bolts	24	18	Torque in sequence
Radiator Mount Bolts	12	9	Do not overtighten plastic mounts
⚠️ Thermostat Housing Bolts	14	10	—
Transmission Cooler Lines	25	18	If equipped
Upper/Lower Hose Clamps	3	2	—

The primary torque specification for radiator on a 2015-2021 Subaru WRX is 11 Nm (8 lb-ft).

There are 11 torque specifications for radiator on the 2015-2021 Subaru WRX 2.0L Turbo H4, covering all related fasteners and components.