How do you fix a door closer?
Also to know is, how do you fix a hydraulic door closer?
Replace the oil seals with new ones and again screw the covers. Your hydraulic door repair is almost complete. Install the hydraulic door closer with the arm on the frame and the device on the door. Turn the adjustment screw to get the desired pressure so that the door closes smoothly without giving any problem.
Additionally, can you add hydraulic fluid to a door closer?
Fill port(s) with oil, slowly moving the closer Arm to distribute oil internally. If you move too fast oil may squirt out!
Try a few felt pads. Just stick a few small felt pads along the edge of the doorframe: Position a pad at the top and bottom of the frame, along with two more pads at the top and bottom of the strike plate. The pads provide just enough soft cushioning to slow down the door as it closes, preventing a slam.