2000-2004 Subaru Legacy Heater Core Torque Specs

2.5L H4

Applies to 2000, 2001, 2002, 2003, and 2004 Subaru Legacy

Labor Time:6 hours

Torque Values (13 specifications)

Component	Nm	lb-ft	Notes
Cover Screws	11	8	—
Dashboard Screws	3	2	—
Drain Petcock	7	5	Hand tight
Fan Bolts	11	8	—
Heater Core Mounting	8	6	—
Heater Hose Clamps	3	2	—
Hose Clamps	4	3	—
Hose Clamps	4	3	Do not overtighten
⚠️ Housing Bolts	14	10	—
Mounting Bolts	27	20	—
⚠️ Pump Bolts	24	18	—
⚠️ Pump Bolts	24	18	Torque in sequence
⚠️ Thermostat Housing Bolts	14	10	—

The primary torque specification for heater core on a 2000-2004 Subaru Legacy is 11 Nm (8 lb-ft).

There are 13 torque specifications for heater core on the 2000-2004 Subaru Legacy 2.5L H4, covering all related fasteners and components.