2002-2007 Subaru Impreza Valve Seals Torque Specs

2.5L H4

Applies to 2002, 2003, 2004, 2005, 2006, and 2007 Subaru Impreza

Labor Time:8 hours

Torque Values (10 specifications)

Component	Nm	lb-ft	Notes
⚠️ Camshaft Cap Bolts	14	10	Tighten in sequence from center outward, multiple passes
Cover Bolts	16	12	—
⚠️ Gasket Bolts	20	15	—
Mounting Bolts	27	20	—
⚠️ Mounting Bolts	47	35	—
⚠️ Rocker Arm Bolts	30	22	Tighten with cam lobe pointing away
⚠️ Rocker Arm Shaft Bolts	25	18	Tighten evenly in sequence
Sensor Bolts	11	8	—
⚠️ Spark Plugs - Aluminum Head	20	15	Apply anti-seize to threads
Valve Cover Bolts	10	7	Tighten in sequence

Other Jobs with Torque Specs

Common Questions

What is the torque spec for valve seals on a 2002-2007 Subaru Impreza?

The primary torque specification for valve seals on a 2002-2007 Subaru Impreza is 14 Nm (10 lb-ft). Note: Tighten in sequence from center outward, multiple passes

How many torque specs are there for Subaru Impreza valve seals?

There are 10 torque specifications for valve seals on the 2002-2007 Subaru Impreza 2.5L H4, covering all related fasteners and components.