I have a 2011 vauxhall insignia 2.0ltr CDTI, Recently come across water in my coolant tank and also a fog horn type sound and wondering what has caused this, any help or advice on what has caused this, have had no warning lights, no loss of temperature, no steam coming from the engine, hope this isn't an expensive fix, can anyone help?
Water in coolant tank
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20-12-21 16:17How did you clock just water in your coolant tank?... it should be a coolant mix normally with a coloured dye to denote winter or summer coolant.
If you did have proper coolant in the tank and it somehow drained off to show at some stage just water I would of expected at least some form of warning by a sensor displaying on the dash low fluid level
