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Discussion summary
YOUR RESEARCHsunroof hell
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Clean / lube the rails
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Suggestion · Original poster
I might try cleaning the switch first...that's not a bad idea.
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Suggestion
Let it dry out and then reconnect the switch and see if it operates OK before re-installing.
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Suggestion · Original poster
It sounds as though Porsche has moved away from the spiral bound cables and is using drive screws?.
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I tried closing the roof that way already and it didn't work.
Started this morning. I go to close my sunroof so jab the close button once. The sunroof fails to autoclose. It works fine when I hold the button though, and auto open is fine too.
So this evening GNR996 tells me to train it by opening all the way, and hold the button, then close it all the way and hold the button.
So after that it closed automatically, but then opened a few inches again automatically as well. Then after a few more tries...it now only closes half way automatically and won't go any farther.
Help me obi wan kenobi - you're my only hope.
Keep it away from mine. Mines a crap shoot and only works manual open or close. Pain is when wanting it to slide back I'm tilting up and down a few before it connects on the idea of sliding back. I think its a switch error since the back rocker is disfunctional.
I've tried the by the manual operation which is where I figure the switch is bad.
Anybody able to post the reprogram info? I don't see it like the windows or keys in the service manual.
Try removing the switch and spray electrical contact cleaner into the switch and operate several times and spray good again. Let it dry out and then reconnect the switch and see if it operates OK before re-installing. Do the same to the micro-switches. Hope this helps.
Cheers,
Larry
sunroof like I sometimes open do though.
Thanks for the tips...I got the b@stard closed by dicking with it and that how it's going to stay until the summer time I reckon. I think I'll pull the fuse or something so I don't open it inadvertantly.
if I'm honest it very occasionally would stop halfway and back up in the past. I chalked that up to binding and/or goo in the tracks. Come the better weather I think I'll figure out how to take it apart and clean everything. I might try cleaning the switch first...that's not a bad idea.
The manual says when locking the doors if you hold the key to the lock position it will close the windows and the sunroof. I tried closing the roof that way already and it didn't work. You might try that though. My windows open and close with the key but the sunroof doesn't budge when closing.
I guess that would rule out the switch eh? I'm not doing much I don't think until the summertime when I can risk having my roof stuck open for a awhile.
Thanks for the help gents.
The 996 has a sunroof?
In the 3 plus years I had my 996, I opened my sunroof 3 times. Once to see if it worked, the second and third times to clean and treat the rubber seals. What a useless pain in the *** on any car!
Yes - that's my gut feel of what the problem is. My inclination is to take the whole thing apart, clean it, lube it and consider the job done for another 8 years.
Have you lubed your rails? If so how did you get at them, from the top or did you drop the headliner and get at them from the inside?
In my head I want a car without a sunroof because race cars don't have sunroofs.
In my heart though I really really like my sunroof. Even today on the way home, it was 7 degrees and misty out, but it wasn't raining and I wanted the fresh air. I opened my window, but it was noisy and drafty. A working sunroof is exactly what I needed.
I just like sunroofs. If it's not raining, mine's probably open.
Ding ding ding!
Also make sure that the track is clean, and lube the drive screws (propellers, or whatever they are called).
This is done w/ the sunroof open from the top.
Do not be afraid of the sunroof. Lube it and love it, I always say.
Thanks med.
Yes - I fear no sunroof.
I rebuilt the sunroof of my 911 a couple of times. It sounds as though Porsche has moved away from the spiral bound cables and is using drive screws?.
In the 911 it was easy to access the back end of the system because there was a zipper in the headliner. Not so easy in the 996....and not necessary it seems.
I wonder if renntech has a procedure and photos?
That's not a sunroof. It's the weather cap on his diagnostic socket. Honda figured out lots of problems involve the drivers thinking so they relocated the socket so it plugs into the driver skull easier for reprograming them too.
Yes, my Honda also has a f#$%ing sunroof, but only because I didn't have a choice.
However, this one has NEVER been opened by me in 19 months of ownership.
As I said earlier, a sunroof is "a useless pain in the *** on
any
car!"
OK - keep on task guys. I lifted the following procedure for teaching the sunroof whose boss (ie training it):
Teaching lifting/sliding roof drive
1. With the ignition switched on, press the lift button and move the lifting/sliding roof drive to the "raised"
limit position.
2. Press lift button again and keep depressed. After around 10 seconds, a complete cycle takes place from
the raised limit position to the positions "lower open close". Teaching of the characteristics has been
completed after this process.
Note: The lift button must not be released during the entire process. In the event of a restart, the
lifting/sliding roof must always be moved to the limit position first.
3. If the lifting/sliding roof drive should move back in Item 1, then the closing force limitation function has
responded (lifting/sliding force drive was taught). The open button must be re−taught in this case.
Teaching lifting/sliding roof drive
1 Press the open button until the sliding roof stops. Then release the button. Press the open button
again until the lifting/sliding roof drive stops again. Then release the button.
2 Press the open button again and keep depressed. The entire process takes place after approx. 10 seconds:
"close − lift − lower − open − close.".
I will take some snaps when I eventually do the lube job.
Jasper thank you for posting instructions. I installed a new stitch a couple weeks ago and thought that would cure my woes. Just followed the steps and VOILLA!! i'm in luv with my sunroof again. Working just like it is suppoesed to.
Glad it worked. I forgot about this post entirely and realize now I never posted the lube pics.
Sorry 'bout that. I did lube it and it does work perfectly now.
So.......its been three years but thought I'd ask as this thread helped me train my sunroof to sit, stay, etc.
HOWEVER>.......If its open its LOUD AS A FREIGHT TRAIN with the wind buffeting. So I occasionally just tilt it, but don't know if thats the only good I'll ever get out of the electronic hole in my 996s roof?
Thoughts?
In fact my sunroof hasn't worked right for years now, and I'm not alone. There's another thread or two on RL, or maybe Pelican, and we've all got the same problem.
To open the roof I first have to push the switch forward to the closed position, and that tilts up the back of the roof. Then I push the switch forward again, which tilts down the back of the roof. Then finally I can push the switch backward and the roof will open automatically as it should (most of the time).
To close the roof I have to push and hold the switch in the forward position (it won't close automatically) and it closes all the way and then the back tilts up. Then I have to let go of the switch and push it forward again until the back tilts down.
I like my sunroof - always have. It's a pain, but I've gotten used to it. From what I understand there is no known fix - but I'm all ears if someone here has fixed this.
I've been living with this problem for years too and have to do the same as you Jasper - but I'm used to it. As for the noise, I find if you open it about 4" shy of the end, it's way quieter.
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