For anyone that needs to fill the rear hydraulic tank in their R230. I own a 2011 and you don't have to fill it this way. There is a screw on the back of the bottle that can be removed to add fluid. You can use the syringe to add the fluid. Much faster and easier.
![ประสบการณ์ จ้าง Developer ที่ผมจะไม่มีวันลืม [ภาค1]](http://i.ytimg.com/vi/bzivN4KDg-k/mqdefault.jpg)
For anyone that needs to fill the rear hydraulic tank in their R230. I own a 2011 and you don't have to fill it this way. There is a screw on the back of the bottle that can be removed to add fluid. You can use the syringe to add the fluid. Much faster and easier.
No its fine its just a vent same on mine :)