Thanks take 5, I think one of the faults on a v6 is the impeller in the waterpump that fails, so bearing that and thermostat in mind im going to have a look at them to see if thats the problem.

Cheers mate, thats really helpful!!!

Hi Im new to ur forum but so desperately need some help. Ive got a 1997 mondeo V6 with what we think is an airlock in the cooling system, so the heater doesnt work and it keeps boiling in the engine. Any ideas apart from setting fire to it! :) Im a damsel in distress and need the car for work -...