Outback F6-3.0L (2003)
If a coolant concentration of 50% is needed, drain all the coolant and refill with the undiluted solution only.
To prevent cooling system leaks, always add Genuine Subaru cooling system Conditioner (Part No. SOA635071) whenever the coolant is
replaced.
The content of this article/image reflects the changes called out by TSB - 18-74-04-mu.