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Sunroof - what is normal operation ?
https://forums.tipec.net/viewtopic.php?f=25&t=19983		 Page 1 of 1
Author:  gothatway [ Thu Jun 11, 2015 7:18 pm ]
Post subject:  Sunroof - what is normal operation ?
I thought my sunroof was working fine (until today when it stopped opening). But the method of operation always seemed a bit odd. It would open fine, but when I closed it, the roof would just rest at the back so that it would raise of its own accord at speed, or I could raise it with a hand, or it would jump up a bit when a door was closed. A very slight touch on the "open" side of the button would cause it to lock. I just put it down to a Porsche quirk, but now I'm wondering whether it's how it's supposed to operate ?
Author:  iang5 [ Thu Jun 11, 2015 8:30 pm ]
Post subject:  Re: Sunroof - what is normal operation ?
Mine is the same. Up until recently I had to hold the micro switch and press the close button the lower the roof once opened. I removed the micro switch, cleaned it and sprayed with WD40. The roof now opens and closes from the single console switch. However I too have to flick the button to raise the arms to lock the roof. All done by guess work.

Any ideas???
Author:  Des911 [ Fri Jun 12, 2015 4:59 pm ]
Post subject:  Re: Sunroof - what is normal operation ?
Hope some one answers this as I've just bought a 944 and I'm having similar problems.
Author:  JasonGibson [ Fri Jun 12, 2015 5:13 pm ]
Post subject:  Re: Sunroof - what is normal operation ?
Moist likely that the plastic gears are broken , they operate the lifting /locking arm at the rear of the sunroof.
Remove the trim panel and then the covers from the lifting arms.

all parts are still available
Author:  iang5 [ Fri Jun 12, 2015 5:56 pm ]
Post subject:  Re: Sunroof - what is normal operation ?
If the gears were broken wouldn't the roof simple not lift or retract?
Author:  PaulSmith [ Fri Jun 12, 2015 6:00 pm ]
Post subject:  Re: Sunroof - what is normal operation ?
www.clarks-garage.com has a guide to setting up the sunroof properly at http://www.clarks-garage.com/shop-manual/body-03.htm

It sounds to me like the sensor at the front of the sunroof in the centre is not detecting that there is a sunroof in place so it is allowing the arms to retract down into the roof
Author:  JasonGibson [ Fri Jun 12, 2015 6:39 pm ]
Post subject:  Re: Sunroof - what is normal operation ?
iang5 wrote:
If the gears were broken wouldn't the roof simple not lift or retract?


You may find that a large section of teeth are missing
Author:  Des911 [ Sat Jun 13, 2015 9:31 am ]
Post subject:  Re: Sunroof - what is normal operation ?
Thanks for your replies guys :-D
Author:  iang5 [ Sat Jun 13, 2015 3:39 pm ]
Post subject:  Re: Sunroof - what is normal operation ?
Good guide from Clarkes
Author:  scm924s [ Sun Jun 14, 2015 9:03 pm ]
Post subject:  Re: Sunroof - what is normal operation ?
When following the Clarke's guide, pay particular attention to the setting of the clutch, this tightens over time and is a common cause of gears stripping, adjust to minimum when refitting, failure can result in a set of new gears being wrecked, I speak from experience :(
Author:  gothatway [ Sun Jun 14, 2015 10:16 pm ]
Post subject:  Re: Sunroof - what is normal operation ?
Well, having done nothing to the sunroof since starting this thread, it decided this morning to start working again. Just once, and then refused thereafter. So I guess at least that rules out stripped gears and indicates an intermittent microswitch problem. A job for tomorrow, hopefully.
Author:  iang5 [ Mon Jun 15, 2015 6:43 pm ]
Post subject:  Re: Sunroof - what is normal operation ?
When you get the switch out, just give a good cleaning. I used WD40 after making sure there was no dry solder joints etc. Defo worth trying before replacing.
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