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Rear Wheel Housing Vent or drain leak

cagleen1991
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cagleen1991 Member

cagleen1991

Posted
Posted

I am a new owner of a 2000 996 C2 cab with 75k miles. I started to change the rear brake pads today and saw that the fount side of the right rear wheel housing was covered in what appears to be oil. I removed the splashguard and found a vent or drain that had fluid draining out of it. I searched the forums and my manual but cannot find what this vent is for. I suspect if is for the convertible top housing above. Can anyone tell me what this vent is for and if the fluid is likely hydraulic fluid from the top mechanism or an engine oil leak? I am fairly certain it is not coolant.

I have enclosed two pictures. The splashguard has been removed as well as the rubber baffle over the vent.

Thanks in advance to anyone that can offer a suggestion. This is my first post on a forum of any kind so if I am not doing something right pleas let me know.

post-76680-0-92143300-1329615872_thumb.j

post-76680-0-12067100-1329615874_thumb.j

cagleen1991 Member

cagleen1991

Posted
  • Author
Posted

Thanks, I was not using the right search terms.

I cleaned out both sides and definitely have a leaking hydraulic cylinder. Lots of great threads on these. Wow they are expensive. I am going to see if I can have them rebuilt.

E Kap Member

E Kap

Posted
Posted

Totally agree about calling Zig at Cabriolet Hydraulics. i drove the car to him and he installed 2 rebuilt cylinders, cleaned the system, added new hydraulic fluid for less than $800 out the door. He also guarantees his work. The top has functioned perfectly every since.

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