[james]

how do you locate a water leak which you cant see, there is no puddle under the car in the morning, there is no water in the oil and cant see any water around the head gasket, there is also no water in the footwells.

i seem to be for ever bleeding the coolant system also ways air in the rad

all this started when i did the main rad hoses snd flushed the system but the pipes i disturbed and all good could the rad be at fault.

it only a i will loses an inch in depth in the header tank over about 4 weeks