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    VWVortex


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    Thread: Sunroof opening by itself?

    1. 05-11-2010 09:04 PM #1
      Anyone come across this? My mother keeps telling me her sunroof keeps opening (tilting) by itself and I didn't believe her until I was in the car when it happened lol. It just goes up by itself...

      Should I just bring it in?

      Curious to see if anyone has come across this :huh:

      thanks

    2. Member neons4012's Avatar
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      05-12-2010 06:50 AM #2
      I have never heard of that. That is kind of a creapy thing to be happening. LOL
      I would take it in. That could get really expensive if you just start throwing parts at it!!

      Andy

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      05-12-2010 05:17 PM #3
      I have come across that a few times. I just left it alone since I'm out of warranty. Happens once in a while but I just mess around with it a bit and it fixes itself.

    4. 05-12-2010 09:46 PM #4
      yep, it happened to my wife's passat wagon ('07 with 42k)...still under warranty...took it in and they replaced the solenoid (sp?) and now it's fine

      before it was fixed it would also not match what dial setting it was on...

    5. 05-14-2010 08:07 PM #5
      Funny you post this. My wife called me a few days ago while she was driving to tell me that the car is acting really weird. She said the sunroof kept tilting up and down and up and down. She said she hadn't operated the sunroof in a while and the switch was in the closed position.
      About half a year ago she told me that when she left the car she noticed that the sunroof was tiled up and she didn't think she opened it. I said yeah right you probably forgot you did
      Either way, my guess would be an issue with the dial. I told her to twist it a few times back and forth and see if it happens again. So far it hasn't.
      Her car is an 04 Jetta by the way. I don't think this would happen after you remove the key and open a door since the sunroof and windows can't be operated anymore at that point so I'm pretty confident that it won't randomly open while sitting out in the rain one night. But I guess it could happen again while driving in the rain...

    6. 05-14-2010 08:46 PM #6
      This is more common on older cars with the rotary sunroof switch (Audi's), but now that the VW's are getting up in age we will see more and more of this issue.
      the internals of the rotary switch need to be cleaned or the switch itself replaced to resolve the issue.

    7. 07-11-2012 11:40 PM #7
      I have had a recurring problem with the sunroof operating by itself - typically it tilts the roof a notch or two. I have taken the switch apart twice and cleaned the contacts (that obviously had some grease on them). This worked for a few months each time, but the problem kept coming back. I finally replaced the very expensive switch, aka a potentiometer in VW-speak, yesterday. But, today the sunroof repeated it's self-opening function. I don't see any obvious pinched wires to the motor that could be causing a short. Any more ideas?

    8. Member Tutti57's Avatar
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      07-12-2012 11:02 AM #8
      Mine does it too. If I just click it one notch over and back it is fine. I have to think it has something to do with that switch.
      2006 Passat 2.0T Tiptronic | Unitronic Stage 2 | DG Springs | Newsouth Boost Gauge | BFI Tranny Insert | Rev D DV | BSH PCV fix | eBay Downpipe w/cat | Autotech Exhaust | DDM HIDs | Bentley Manual | VCDS - Car for sale! $6,000
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    9. Member Jettn1's Avatar
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      08-02-2012 05:11 PM #9
      Quote Originally Posted by 505John View Post
      I have had a recurring problem with the sunroof operating by itself - typically it tilts the roof a notch or two. I have taken the switch apart twice and cleaned the contacts (that obviously had some grease on them). This worked for a few months each time, but the problem kept coming back. I finally replaced the very expensive switch, aka a potentiometer in VW-speak, yesterday. But, today the sunroof repeated it's self-opening function. I don't see any obvious pinched wires to the motor that could be causing a short. Any more ideas?
      My 06 Jetta 2.5 would open to the tilt position on it's own, but would close right back by moving dial a notch over then back to close. Now my 07 Passat has started doing the exact same the last couple of months. My hubs thought I was on crack and just leaving it open until.....he took my car on a business trip and it did it to him.
      1999 Jetta GL - 1998 to 2003 my first VW
      2002 Nissan Altima - 2003 to 2006 JUNK!! went back to VW
      2006 Jetta 2.5 - 2006 to 2010
      2007 Passat 2.0t Sport Pkg. II 6MT - 2010 to 2012
      2010 CC Sport DSG - current

    10. Member Jettn1's Avatar
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      08-02-2012 05:11 PM #10
      Quote Originally Posted by Tutti57 View Post
      Mine does it too. If I just click it one notch over and back it is fine. I have to think it has something to do with that switch.
      Agreed!
      1999 Jetta GL - 1998 to 2003 my first VW
      2002 Nissan Altima - 2003 to 2006 JUNK!! went back to VW
      2006 Jetta 2.5 - 2006 to 2010
      2007 Passat 2.0t Sport Pkg. II 6MT - 2010 to 2012
      2010 CC Sport DSG - current

    11. Member Jettn1's Avatar
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      08-02-2012 05:20 PM #11
      Just read it is the switch and you have to remove it and clean it gently with the head of a pencil eraser. Hope that helps everyone!
      1999 Jetta GL - 1998 to 2003 my first VW
      2002 Nissan Altima - 2003 to 2006 JUNK!! went back to VW
      2006 Jetta 2.5 - 2006 to 2010
      2007 Passat 2.0t Sport Pkg. II 6MT - 2010 to 2012
      2010 CC Sport DSG - current

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      12-03-2012 10:57 AM #12
      am i the only person that thought this might be a way to vent the car when it was getting warmer than the set temperature? its only happened whne I had the heat on so I passed it off as German Engineering, haha

    13. Member carlosabh's Avatar
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      12-08-2012 09:19 AM #13
      my jetta's sunroof did the same all is needed is to clean the sunroof tracks well and lubricate them. No more sunroof ghosts since then.



      sent from my Samsung Galaxy Note

    14. n00b
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      02-28-2014 01:17 PM #14
      Did cleaning the switch solve the problem for good. I have the same issue with my 2006 passat, has happend about 3 times so far.

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      03-10-2014 10:17 AM #15
      I have this problem as well. Sunroof is tilting in Winter = not good. Anyone have a part number for a 2008 Passat w/ beige interior?

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