Often referred to as the ‘Bullet’ gearbox, although Bullet actually refers to only GT/RS spec three rail boxes that are fitted with close gear ratios as standard. Fitted in: Ford Cortina Mk1; Ford Cortina Mk2 to 1968; Ford Lotus Cortina Mk1 / Mk2 to 1968; Ford Escort RS1600 / Mexico; Ford Escort Twin Cam; Oil capacity 1.21 litres. Standard oil pump Pressure-fed with electronically controlled variable flow oil pump System capacity with filter litres 5.4 5.5 Cooling system Water pump with thermostat and valves, with thermal management system Water pump with thermostat and valves, with thermal management system System capacity incl heater litres 6.45 6.3 Transmission MMT6 2001 1.6 - gear oil change advice! - quizman. I think you need Castrol SMX-S 75W-85, I don't think you should use ATF in a manual box. You could also use Redline MTL gearbox fluid. You can get the Castrol from Halfords, or either from Opie oils (opieoils.co.uk). RAVENOL Arctic Green Grease AGG 2 1222101-001-01-999 Manual Transmission Oil 75W-90, Capacity: 1l, Part Synthetic Oil Article number: 1222101-001-01-999 Use number: APIGL4 (reviews - 2) Ford Year: 2020. UK/Ireland Location: Worcestershire. Posted December 2, 2018. There's not transmission oil change interval, but if you want to do it, it's 75w Fe transmission oil. 1.7litres. there is a drain and refill/level plug. The level plug is a bit awkward to get at. The XS4R is the chassis and year it was first introduced on. the 7002 is the base number for all gearboxes (every Ford gearbox would be 7002) or all manuals at least. The "F" is the derivative or version of the gearbox (number of gears, final ratio, power rating etc etc) The "B" is the engineering level. All parts when first released are "A First, the drain is pointing toward the passanger side of the car in front of the c/v axels. Fill port is on the front half of trans. I believe it's a 8mm hex needed to get these out. Put car on a flat surface and on 4 even height jack stands and pull front plug to check fill level. Second, fluid type is a great arguement on this site. Gearbox oil and transmission oil: What is the best brand for the FORD Transit Connect Mk1 Van 1.8TDCi 2002 - 2013 90hp / 66kW? The best brands for the FORD Transit Connect Mk1 Van 1.8TDCi 2002 - 2013 90hp / 66kW in the category Gearbox oil and transmission oil are: FEBI BILSTEIN; LIQUI MOLY; CASTROL; ZF GETRIEBE; MANNOL NWSFYi.