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water coolant

  1. Mechanical, Exhaust & Performance/Tuning
    I have a 2011 Corsa (petrol) The water coolant is running pretty low so needs topped up, I don't know what type of coolant is in it at the minute but until I get it drained and replace it with new coolant should it be ok to top the current coolant up with water ? Does anyone know what coolant...