Hi again, had mechanic look at it today and he thought that it was a air lock in the system so drained all the fluid again and filled the system up again and run it with the expansion tank cap off and the heaters in the car on hot as he suggested but still the fan does not work! The mechanic checked...

Hi everyone, wonder if anyone can help? I’ve replaced the coolant radiator and condenser pack but the fan is not kicking in! Thought it might be the fan I bought so I plugged the old fan back in whilst the car was running and the old fan worked straight away so put the old one back on now it won’t w...