Location of the oil filler bolt
If the oil has never been drained off, it can be assumed both bolts especially the drain bolt, is going to be more difficult to remove.
With various aspects of servicing, maintenance, including driver assisted features and vehicle monitoring. For our 1996 Rover 200 and the 04 ZR 120+
About features, and driver notifications on our MG-Rover Information Pages
If the oil has never been drained off, it can be assumed both bolts especially the drain bolt, is going to be more difficult to remove.
Much easier to get at, from under front of vehicle, when completed each 17mm bolts, tightened to 25Nm or 18lbf ft or hand tight plus.
Our none messy filling procedure, to insert into the filler hole, a clear plastic tube attached to a base removed old redex container, with oil now running directly into gearbox, At the time bluecol antifreeze is shown as being used in the 200 cooling system in early 2004.
This gearbox oil change is based on a vehicle parked on level ground. To achieve a correct oil fill level, is when oil begins to slowly trickle out from the filler hole. Oil used in the 200 gearbox is a SAE75W-80W to an API GL5 viscosity, around 1.75 litres up to the correct level.
Information is referenced only to our 1996 Rover 200 and 2004 ZR 120+