Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Subaru LegacyCoolant Type & Capacity
OEM spec from the factory service manual for the GT, 4D Sedan, EJ251, Automatic variant.
Quick Answer
Coolant Type
SUBARU Coolant or equivalent: a 50/50 mixture of Ethylene-Glycol Coolant and soft water
Capacity
7.10 QTS.
6.71 L
Variant
GT, 4D Sedan, EJ251, Automatic
This vehicle's factory manual
2004 Subaru Legacy: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
What You'll Need
Related for Your 2004 Subaru Legacy
Frequently Asked Questions
- What type of coolant does a 2004 Subaru Legacy take?
- The 2004 Subaru Legacy requires SUBARU Coolant or equivalent: a 50/50 mixture of Ethylene-Glycol Coolant and soft water. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the GT, 4D Sedan, EJ251, Automatic configuration.
- How much coolant does a 2004 Subaru Legacy hold?
- The 2004 Subaru Legacy cooling system capacity is 7.10 QTS. (6.71 L).
- Can I use universal coolant in my 2004 Subaru Legacy?
- It is strongly recommended to use coolant that meets the SUBARU Coolant or equivalent: a 50/50 mixture of Ethylene-Glycol Coolant and soft water specification. Universal coolants may not provide the correct corrosion protection for your engine's materials.
- What happens if I use the wrong coolant in my 2004 Subaru Legacy?
- Using coolant that does not meet the OEM specification can cause corrosion, gasket damage, and overheating. Always verify the correct coolant type before topping off or flushing the system.