Question about 1999 Mercedes-Benz SLK
Hello how can I get to the hydraulic cylinders that are leaking in the roof area
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Posted on Jan 02, 2017
you will have to remove the seats in the back or go through the trunk on 2 seaters to access the motor to disconnect it. if you try to force it manually you will more than likely cause more damage............please rate
Posted on Sep 03, 2008
SOURCE: slk 230
The hydraulic cylinder lines are designed to not be removable from the cylinder. There have been people who have done it, me, but it requires redesigning the attachment point. Not for the novice. If you are replacing the part, the new one comes with the lines attached. You must remove the plastic interior in the trunk and disconnect the lines at the pump. If you are only rebuilding the cylinder and reinstalling it, it can be done without removing the lines from the car. You will rebuild it sitting in the passenger seat. you will need the replacement O-rings sold on Ebay.
Bad news, if you are experiencing one cylinder leaking, it is very likely the other two that raise the top will begin leaking very soon. This is because all three cylinders use a rod seal made of the same material that degrades over time. The two remaining cylinders (of five) that raise the trunk almost never go bad because they were originally designed with the O-rings.
-New cylinders run $300 to $400 apiece
-About $40 to $60 to have your cylinders rebuilt, apiece
-Around $10 to $20 to buy the O-rings on Ebay
Posted on Aug 16, 2009
The problem may be with the closing assist pump or the sensor on the trunk. Try first to remove the fuse of the pump in the fuse box at the trunk. It is usually the #9 fuse in most models. Check if the fuse is bad if not leave it out of the socket for a minute then put it back in to reset the system. See if it works.
To get the line removed use the fork of a 7mm wrench to get the hose out of the pump. The trunk line is labeled 'HD'. Make sure to pry it out in the direction of the hose in order for you not to break the nozzle.
Other details of the issue you may use the link below as reference.
It is for another model but it uses the same parts.
Posted on May 11, 2011
Should be a screw on top of the pump - upper right side.
It should fit a hex/allen/key size 5.
Oil level should be between min and max.
After filling, tighten screw with 8NM torque
If you look down through the "brush", you'll see the screw.
The screw on top of the pump is for the refill, the one on the side is to releave the preasure when you open the top manualy. There is a refill line on the side as well.
Posted on Sep 14, 2012
A+ auto tops & upholstery. Can repair then for a great price. They are in Indian Harbour beach. Apluseautotops@gmail.com
Posted on Mar 02, 2013
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