he's lying and hiding a known serious and costly fault. walk away save your money.
arthur daley from minder is more honest than him.
ask yourself if it's as he claims the cap needs changing for the correct one then why does he say that you change it for the correct cap and it'll be ok,. why hasn't he changed it to sell a car not boiling over.
he's hoping he's found a mug to take a serious fault off his hands.
1.blown head gasket
2.thermostat
arm and a leg to repair around £300 plus for head gasket.
BOB, July 2010