If this is not an April fools joke, I would guess you really need to flush out the entire coolant system before driving it again, period. Window washing fluid is a detergent and will likely degrade the effectiveness of the lubricants in the coolant....
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kabel
Orlando - 99 BMW M Coupe (autocross toy), '11 Mazdaspeed 3 (dog hauler), '99 10AE Miata (the new daily driver)
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