I need some advice, I bought a 52 Corsa 1.0 about 2 weeks ago as our other car failed the mot badly and wasn't worth repairing. It's overheating rapidly (5-10 mins of driving) it looses pretty much all the coolant during that time.
Oil pressure indicator also comes on occasionally when I break. My first thought was head gasket failure however there is no sign of moisture in the oil apart from a small amount of residue on oil cap ( I wiped this off yesterday and it hasn't returned)
I can't see any obvious leaks in radiator, pipes etc but I've only looked before driving the car never when it's hot. Any ideas?