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Spoiler stuck

Old Aug 4, 2015 | 02:52 PM
  #1  
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Default Spoiler stuck

My spoiler isn't going down and I'm not in a position to take it in to the shop for a couple weeks. Any suggestions to check to try and fix? Is there any harm in driving with the spoiler up (only drive it a few miles on the weekend) until I take it in?
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Old Aug 4, 2015 | 05:18 PM
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No issues with leaving it up. Can you still close it with the manual switch?
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Old Aug 4, 2015 | 06:18 PM
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You would want to first check if the spoiler is fully extended (and engaging the micro-switch under the plastic cover on the backside of the decklid.

Hope this helps.
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Old Aug 4, 2015 | 09:35 PM
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Mine was stuck up. I ended up repairing the controller (replacing the relay and transistors on board). $15, couple hour fix.

Users springer3 and mojorizing (I believe) document the controller troubleshooting pretty well. .

For starters: https://rennlist.com/forums/964-foru...r-spoiler.html
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Old Aug 5, 2015 | 01:09 AM
  #5  
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In my case the spoiler was erratic. Sometimes it would work, other times it would not retract, but would always work manually on the switch, in my case it was the controller.
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Old Aug 5, 2015 | 06:48 AM
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Default Spoiler

Originally Posted by Earlydays
No issues with leaving it up. Can you still close it with the manual switch?

Appreciate this might sound silly but where's the manual switch!??
I recently bought the car and live overseas so only get to drive it a bit as and when I get back home. Am not there now but can get someone to check if I know where to check!


Looking forward to getting more time to learn about the car.


Thanks for your advise
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Old Aug 5, 2015 | 06:56 AM
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Default Spoiler

Originally Posted by 986
You would want to first check if the spoiler is fully extended (and engaging the micro-switch under the plastic cover on the backside of the decklid.

Hope this helps.
Thanks, will check.
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Old Aug 5, 2015 | 07:00 AM
  #8  
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Default Spoiler

Originally Posted by azander
Mine was stuck up. I ended up repairing the controller (replacing the relay and transistors on board). $15, couple hour fix.

Users springer3 and mojorizing (I believe) document the controller troubleshooting pretty well. .

For starters: https://rennlist.com/forums/964-foru...r-spoiler.html
Thanks for the link. Very helpful. will check it out.
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Old Aug 5, 2015 | 11:21 AM
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Welcome to Rennlist dxb,

Did your spoiler make a lot of noise when going up and down?
Mine growled until it didn't work any longer...

A couple months back it started behaving erratically, sometimes it would go up at speed and other times it wouldn't. I could always manually lower it via the console switch, but not always manually raise it.

The spoiler motor was very noisy.

The problem was that the main bearing (at the end of the worm drive) had completely rusted through. The disintegrated bearing would no longer keep the worm gear in contact with the large cog gear.

I followed Tore B's EXCELLENT DIY!
http://www.porschehvac.bergvill.com/ (spoiler repair)






My spoiler motor is very quite now...

Last edited by 911Jetta; Aug 5, 2015 at 12:00 PM.
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Old Aug 5, 2015 | 11:50 AM
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Hmmm...My bearing is probably due to replacement. Looks like this is a quick and painless project.
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Old Aug 5, 2015 | 12:11 PM
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Originally Posted by 964dxb
Appreciate this might sound silly but where's the manual switch!??..........
On a C2 it is the single rotary switch in front of the shifter. On a C4 (starting in 1990) it is the left rotary **** of the two.
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Old Aug 5, 2015 | 01:32 PM
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And on an 89 it's right under the engine lid on the left.
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