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How to add hydraulic fluid to 996TT rear spoiler lifters

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Old Oct 20, 2007 | 11:19 AM
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How to add hydraulic fluid to 996TT rear spoiler lifters

Does anyone know how to add fluid to the lifters on a 996 Turbo? My wing going up slightly crooked and one of the lifters seems to be leaking a bit of fluid.
 
Old Oct 30, 2007 | 05:20 PM
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ive been wondering the same thing...
 
Old Nov 6, 2007 | 02:30 PM
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I think some posted instructions from the factory on how to fill and bleed this system when replacing either the leaking cylinders or the pump (the reason why your wing goes up crooked). sorry cant find it to post the link- however, if its leaking, its air in the system thats causing it to go up crooked -not lack of fluid since its a hydraulic system. Adding fluid is just a band-aid on the problem if its leaking. By adding it and not bleeding it properly you will probably do yourself more harm than good.
 
Old Nov 6, 2007 | 02:42 PM
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I have both the instructions for adding fluid as well as the instructions for bleeding. When I do this, I will attempt to fix leaks, too. Thanks for the advice.
 
Old Nov 6, 2007 | 03:35 PM
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best of luck- hope the wing straightens out
 
Old May 12, 2008 | 12:49 PM
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Spoiler Fluid

I took mine apart over the weekend, removed the pump, purged the system of old fluid, filled with new fluid and it works great and no spoiler warning light. Took me an hour and a half. Really pretty simple to do. Also, since I have a set of new/used parts to replace the pump and rams in a box in the garage, I decided to experiment. I used a power steering fluid with sealer (Lucas) to see if I have any seepage. I will let you know as time progresses. Wish me luck!
 

Last edited by 911mike; May 12, 2008 at 12:51 PM. Reason: add info
Old May 13, 2008 | 10:06 PM
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Can you post up the instructions?
 
Old May 14, 2008 | 09:54 AM
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1. Open rear deck-lid with spoiler in down position
2. Put towels/plastic over the engine to keep fluids from dripping onto engine or body parts.
3. Remove approx. one dozen bolts that retain shroud/fan to deck-lid
4. Loosen and remove 4 retaining acorn style nuts that hold pump onto shroud
5. Cut tie wraps that retain electrical wires and hydralic lines so pump can be removed
6. Lift pump off shroud, loosen and remove banjo fittings on driver's side of pump watch for fluid to leak out and catch in a paper towel or rag. I held pump with channel locks for a good hold while loosening
7. Remove the positiive and negative wires on the opposite end of the pump.
8. Unplug sensors on passenger side ram carefully as they are sensitive. They are under a plastic cover that pulls off
9. Turn pump upside down in proper waste recepticle to empty the fluid remaining
10. With 12 volt power source, connect positive and negative to pump connectors. You will feel the torque and hear the pump motor turning, have a towel ready to catch any remaining fluids
11. With pump in hand, slowly add fluid. The Lucas product has a snout that you can cut and place into recpticle. This took approx. 20 minutes of adding, waiting for it to seep into pump, add more, wait, add more, etc...until bubbles stop coming up. Pump should then be full
12. Carefully attach banjo fittings with pump held upright. A small amount of fluid will seep when attaching banjo bolts
13. Torque the banjo bolts snug
14. Place pump onto shroud, tighten acorn nuts and connect wires
15. Connect sensors to ram (I used a tie wrap to hold sensors in place)
16. Place shroud in position on deck lid and snug up the dozen bolts
17. Tie wrap the electrical wires to the shroud
18. Actuate spoiler from dash with key on to see if you get the warning light

I have actuated my spoiler several times by button and driving and works great. Good luck!
 

Last edited by 911mike; May 14, 2008 at 09:56 AM. Reason: spelling
Old May 20, 2008 | 11:28 AM
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Which of these steps handles the bleeding of the spoiler shocks? How would I accomplish that?
 
Old May 20, 2008 | 01:57 PM
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Bleeding Rams

Here is a step by step....I didn't bleed mine yet as they seem to be even and work fine. I will do this next if required.
 
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Old May 20, 2008 | 03:01 PM
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Thank you. What fluid can I use from any local parts store? Or do I need to use special Porsche spoiler fluid?
 
Old May 20, 2008 | 04:24 PM
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Porsche wants you to use pentosin (sp?), but if it is seeping as mine was I went with Lucas powersteering sealer fluid. So far so good.
 
Old May 21, 2008 | 09:28 AM
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Here is information on Pentosin CHF 11S if others are interested:

http://www.taligentx.com/passat/info...in_CHF_11s.pdf
 
Old May 27, 2008 | 12:23 PM
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Originally Posted by imolafem
Thank you. What fluid can I use from any local parts store? Or do I need to use special Porsche spoiler fluid?
My local NAPA Dealer had it on the shelf. I bought two cans just to have it on hand. I think I paid $20 per can (1 liter).
 
Old May 27, 2008 | 02:49 PM
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Thanks for suggesting NAPA! I tried all other auto parts stores and no one knew what Pentosin was. I'll give them a call.
 


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