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Old 10-03-2017   #1
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500c roof only goes as far as the spoiler.

I've been playing with the soft top the last couple of days and taken advice from some threads on here. I've done the relearn procedure but the problem I have is that the roof won't go back beyond the second (spoiler) position.

I've also put a socket on the manual winder and once it gets to that position the nut won't even turn any more.

If the roof is back to that position and I touch the boot release, it puts if back to the front position, so it's as if the car thinks it's fully wound back.

Any ideas anyone?
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Old 11-03-2017   #2
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Re: 500c roof only goes as far as the spoiler.

Quote Originally Posted by typecastboy View Post
I've been playing with the soft top the last couple of days and taken advice from some threads on here. I've done the relearn procedure but the problem I have is that the roof won't go back beyond the second (spoiler) position.

I've also put a socket on the manual winder and once it gets to that position the nut won't even turn any more.

If the roof is back to that position and I touch the boot release, it puts if back to the front position, so it's as if the car thinks it's fully wound back.

Any ideas anyone?
Seems to suggest it's been removed and incorrectly re-assembled at some point.
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Old 11-03-2017   #3
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Re: 500c roof only goes as far as the spoiler.

I would like to think the previous owner would have taken it back if that was the case. When I get the V5 I will write to them to ask for the spare key and will ask about the roof.

Apart from a dealers where do you take a car with a problem like this?
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Old 11-03-2017   #4
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Re: 500c roof only goes as far as the spoiler.

Does the roof report any fault codes? I've a weird issue with my electric sunroof at the moment that my fiat specialist is trying to get their head around, fiat have requested a download, apparently they've a new wireless gizmo now that's cloud based that gets plugged in to the obd that they can analyse remotely. Are there position sensors on the roof?
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Old 11-03-2017   #5
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Re: 500c roof only goes as far as the spoiler.

Quote Originally Posted by Mercky View Post
Does the roof report any fault codes? I've a weird issue with my electric sunroof at the moment that my fiat specialist is trying to get their head around, fiat have requested a download, apparently they've a new wireless gizmo now that's cloud based that gets plugged in to the obd that they can analyse remotely. Are there position sensors on the roof?


Haven't plugged it into MES but as the car seems to have an ECU for everything I wouldn't be surprised.

The thing that concerns me is that it wouldn't manually wind back using the nut in the boot either.
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Old 11-03-2017   #6
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Re: 500c roof only goes as far as the spoiler.

This is one of those situations where it would help considerably to have a known good car to compare it with.
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Old 11-03-2017   #7
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500c roof only goes as far as the spoiler.

Plugged into MES doesn't seem to be anything that controlled in but have found what seems like a broken runner both sides at the point it stops. I've tried to take some photos and have uploaded them. I imagine that is something to do with why it stops. Or it could be the fact that it stops that has broken them.Click image for larger version

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Last edited by typecastboy; 11-03-2017 at 23:52.
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Old 12-03-2017   #8
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Re: 500c roof only goes as far as the spoiler.

Here's a video which shows the split roof runners. Anyone know if these can be replaced individually?

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Old 12-03-2017   #9
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Re: 500c roof only goes as far as the spoiler.

Quote Originally Posted by typecastboy View Post
Here's a video which shows the split roof runners. Anyone know if these can be replaced individually?

https://youtu.be/0bo_pkNGvso
Sorry I cant help, but can you delete some of your inbox messages as it won't accept any new ones?
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Old 12-03-2017   #10
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Re: 500c roof only goes as far as the spoiler.

Quote Originally Posted by John202020 View Post
Sorry I cant help, but can you delete some of your inbox messages as it won't accept any new ones?
Emptied
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Old 13-03-2017   #11
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Re: 500c roof only goes as far as the spoiler.

Quote Originally Posted by typecastboy View Post
Here's a video which shows the split roof runners. Anyone know if these can be replaced individually?
This image is a bit vague but it suggests the runners are all interconnected by the fabric strap (6), and not available individually. There was no index of the item numbers with this image unfortunately.

I'm looking for something that tells me exactly how the whole thing works.
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Old 13-03-2017   #12
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Re: 500c roof only goes as far as the spoiler.

Thanks for that. It's the number 3 things that has broken. I may have to try to get a second hand hood. Heaven knows how that final bit works though. I don't know if it not working has caused it to break or it breaking has caused it not to work if that makes sense.
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Old 13-03-2017   #13
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Re: 500c roof only goes as far as the spoiler.

Quote Originally Posted by typecastboy View Post
Thanks for that. It's the number 3 things that has broken. I may have to try to get a second hand hood. Heaven knows how that final bit works though. I don't know if it not working has caused it to break or it breaking has caused it not to work if that makes sense.
I've found a listing of the parts in that diagram. It's a US site but I daresay the parts are the same. https://www.fiatpartswebstore.com/sh...ey_model=19431

Also I found this video
The camera work is awful and I haven't watched it right through but it might give you some clues if you haven't already seen it.
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Old 13-03-2017   #14
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Re: 500c roof only goes as far as the spoiler.

Thanks i will have a look at that.
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Old 13-03-2017   #15
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Re: 500c roof only goes as far as the spoiler.

Looks complicated but he describes the bits I have broken, so it's made a lot of sense. Still don't understand what stopping it from going all the way back though. Possibly the Motor or a blockage.
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