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Discussion Starter · #1 ·
Greetings, my fellow trekkers.

I have a 2019 Crosstrek and I checked my coolant with test strips and turns out it has become acidic.

The user manual says "Subaru long life coolant does not require coolant change for 11 years". Hell no - not gonna let some acidic coolant dwell in my engine.

I changed the coolant with OEM blue. The engineers in Subaru mustve been on crack - its very messy but kudos to them, the petcock is very user friendly.

Total cost was around ~CAD60. Two jugs of OEM blue, two jugs of dionized water, and a bottle of coolant flush.
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