Yes, the Gearbox has a drian plug and a level plug. It's a hexagon shaped plug on the differential housing I beleive. I'll try and find a picture. I think the gearobx (depending on model No.) takes 2 litres of oil. It's 75/90 gear oil I beleive Follow this link to the bentley manual, it's not all in English but you can normally find your way around the info.http://volkswagen.msk.ru/Mark