Forester F4-2.5L SOHC (2004)
drained is 2.1 L (2.2 US qt. 1.8 Imp qt). Drain 2.1 L (2.2 US qt. 1.8 Imp qt) of coolant from the cooling system and add 2.1 L (2.2 US qt. 1.8 Imp
qt) of the undiluted solution of Subaru coolant.
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.