2000-2004 Subaru Legacy Piston Rings - All Torque Specs

2.5L H4

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

Labor Time:20 hours

Torque Values (16 specifications)

Component	Nm	lb-ft	Notes
⚠️ Connecting Rod Bolts	45	33	TTY - critical torque plus angle
Cover Bolts	16	12	—
Cover Bolts	16	12	—
⚠️ Cylinder Head Bolts	65	48	TTY - tighten in sequence plus angle
Electrical Connector Bolts	7	5	—
⚠️ Gasket Bolts	20	15	—
⚠️ Gasket Surface Bolts	20	15	Clean mating surfaces
⚠️ Main Bearing Cap Bolts	75	55	TTY - tighten in sequence plus angle
Mounting Bolts	27	20	—
⚠️ Mounting Bolts	47	35	—
⚠️ Mounting Bolts	47	35	—
⚠️ Oil Drain Plug	35	26	Use new crush washer
⚠️ Oil Pan Bolts	12	9	Tighten in sequence
⚠️ Oil Pump Pickup Tube	12	9	—
Sensor Bolts	11	8	—
Sensor Mounting Bolts	11	8	—

The primary torque specification for piston rings - all on a 2000-2004 Subaru Legacy is 45 Nm (33 lb-ft). Note: TTY - critical torque plus angle

There are 16 torque specifications for piston rings - all on the 2000-2004 Subaru Legacy 2.5L H4, covering all related fasteners and components.