OK, I have check the Haynes manual which says to use "transmission fluid to Ford spec. ESD-M2C 186-A" for the 2 litre, and 75/90 for the 1.4,1.6,1.8... and the valvoline lubricant advisor reckons SAE 75/90 gear oil for the 2 litre. What is the difference and which should I replace the current lot with?
