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omigod
Newbie


Joined: 22 Sep 2019
Posts: 23
Location: Saltburn-by-the-Sea


PostPosted: Mon Mar 23, 2020 12:43 pm    Post subject: Cab roof problem Reply with quote

Summer is (nearly) here so I'll kick off with an obligatory cab roof issue.

Roof opens and stows fine but when putting it up all is well until the last bit where the retracting hook connects to the top of the windscreen frame.
The hook lines up with the corresponding recepticle fine and then it retracts to what seems to be the locking position. It stops and then extends and retracts again (like it's having another go) then sort of gives up and re-extends leaving about 10-15mm to the recepticle.

I'm guessing some sort of adjustment is out?
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Alex
Le Mans
Le Mans


Joined: 06 Mar 2014
Posts: 17707
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Mon Mar 23, 2020 1:08 pm    Post subject: Reply with quote

I'd first check the microswitch it activates in the receptacle. When the roof is fully down stick you finger in it and see if the rear windows work.
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Menace
Montreal


Joined: 26 May 2009
Posts: 522
Location: London


PostPosted: Mon Mar 23, 2020 6:00 pm    Post subject: Reply with quote

1.Try this. Sit inside the car and pull the final part and it should close with a little persuasion.

2. Soak the roof in water and leave to dry.

3. Hopefully now fixed.
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7962
Location: Brighton


PostPosted: Mon Mar 23, 2020 7:22 pm    Post subject: Reply with quote

Try the above although i have to admit i'm bemused by the soaking in water ..

love a bit more info on that if it's not a tongue in cheek answer as to just what you are thinking of Smile

There are a couple of items and each can be seen with a tester and looking at actual values ( probably a garage job ) .. x2 switches in the roof lock mechanism and the front tuning fork micro switch are some i can think of .

I expect the rear windows wont close .
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kurlykris
Sepang


Joined: 30 Jun 2014
Posts: 2785
Location: Warwickshire


PostPosted: Mon Mar 23, 2020 11:52 pm    Post subject: Reply with quote

The first time I drop the roof in a new year on my Boxster she always has a hissy fit and decides to throw her dollies out of the pram, she did it at Oulton Park 2 weeks ago and refused to close the rear roof cover on the way down and refused to accept that it was locked on the way up, a few attempts at opening and closing soon sorted it, as it has for the last 5 years Grin

These systems need to be used, otherwise they like to be naughty Hand
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omigod
Newbie


Joined: 22 Sep 2019
Posts: 23
Location: Saltburn-by-the-Sea


PostPosted: Tue Mar 24, 2020 9:36 am    Post subject: Reply with quote

Thanks all, and yes the rear windows were not working either!

I'm leaning towards the microswitch that the hook operates as Alex initially mentioned.
A bit of searching through some USA sites found some suggestion that it could be as simple as the plastic cover which covers the hook could be at fault, apparently there is a TSB that mentions it but have not found it yet.

Lack of use could also be playing a part but up to now the dozen or so cycles I've run it through the rest of the cycle seems ok (touch wood).

I'll investigate further now that we have some decent weather (and more time on my hands).

As a PS deMort, could the soaking in water allow the hood to stretch a bit and make it a little more complient after periods of prolonged storage?
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Alex
Le Mans
Le Mans


Joined: 06 Mar 2014
Posts: 17707
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Tue Mar 24, 2020 10:10 am    Post subject: Reply with quote

My microswitch is working fine but the rear windows have been playing up after its rained hard. Once bone dry works fine again.
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JTT
Trainee


Joined: 11 Nov 2015
Posts: 98
Location: Halifax, NS Canada


PostPosted: Wed Mar 25, 2020 12:53 am    Post subject: Reply with quote

Mine periodically has these spells of cycling from locked to unlocked. I’ve taken to carrying a small screwdriver to poke up and trip the microswitch (which seems to get lazy once in a while) and it latches fine. Only does it 1 time in 5-8, but a PIA. One day I’ll actually replace the microswitch, which I suspect is the issue.
 
  
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Menace
Montreal


Joined: 26 May 2009
Posts: 522
Location: London


PostPosted: Wed Mar 25, 2020 1:48 pm    Post subject: Reply with quote

deMort wrote:
Try the above although i have to admit i'm bemused by the soaking in water ..

love a bit more info on that if it's not a tongue in cheek answer as to just what you are thinking of Smile

There are a couple of items and each can be seen with a tester and looking at actual values ( probably a garage job ) .. x2 switches in the roof lock mechanism and the front tuning fork micro switch are some i can think of .

I expect the rear windows wont close .


Hi,

If the roof was out away damp then the material tightens up.
Used to do this often at the OPC when I was there.
Outing the roof up then sorting water loosens you the material and then drys that way. Fixing it if that was the issue.
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