Crosswords0 min ago
Is my head gasket going ?
Just done the biannual flush of the cooling system on my ageing Volvo (2 litre, petrol turbo engine) and replaced the coolant.
Since then I've noticed it needs topping up frequently. To the point now that it takes about 2 litres each day. Car is driven 200-300 miles a day mostly on motorways.
There are no other obvious signs such as emulsifying oil, no obvious coolant leaks. Car drives fine and engine is smooth.
What should I bee looking for/testing to confirm the head gasket failing ?
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I flush the cooling system every 2 years because of the potential of corrosion in this engine due to the aluminium head and cast iron block. It's a Volvo recommendation.
I am certain that the coolant is not leaking externally to the engine - I.e. no loss from any hoses, radiator, heater matrix. There is no indication of water in the oil so I am at a loss.