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986 Roof tension cable replacement


Sazzy
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If you have the problem of the roof not seating in the rain channel correctly, it may be beacuse the tension cable within the piping of the roof has snapped or corroded. If you have already tried replacing the elastic, of which there are numerous other threads on here on how to do, this may be your problem instead.

A new cable can be had for about £20, the part number is : 986 561 921 00

Open the roof about halfway, look at the base of the B pillar and you will see the bottom eyelet of the cable. Undo the screw and if you can pull the cable then its broken inside. It's a good idea to put a cloth underneath to avoid losing any screws etc down the drain hole!

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To get to the top of the cable you will have to remove the front part of the roof from the frame as it is hidden inside behind the top of the window. Firstly remove the two roof latches:

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Then the screws along the top rail:

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Then the two at the corners that hold the side seal on:

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Pull the seal completely away from the front and the side you're working on:

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Under the side seal is a plastic retainer with four screws that needs to be removed, looks like this :

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Under that are more phillips screws with one hidden under a piece of rubber seal that you need to pull off, took me a while to figure out why I couldn't undo it with all visable screws removed!

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Now the fun bit, you need to carefully pull the roof back from the frame, there's a lot of adhesive but you will see underneath an aluminium plate with the top of the cable attached to a spring in shrinkwrap, which you will need to split :

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Undo the top eyelet from the spring and pull it through the piping, here was mine, or at least half of it ....

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Thread your new cable through the piping, attatch to the spring, and re wrap. I put the plastic back around it and then electrical tape to hold it.

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The cable comes with the other eyelet unattacthed to allow you to thread it through so you will need to crimp it on. Then it's just a case of putting everything back together! 

My roof now sits perfectly on that side so I hope this helps some of you with this problem if you have tried other options. It's a shame Porsche didn't make it from galvanised steel would save a lot of hassle! :rolleyes: 

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My cable has broken, and I tried removing the cable but a small section of corroded cable was left inside the “piping”. Tried all sorts to try and get the section of broken cable out of the “piping” but it wont budge. Might have to split the “piping” to get the remainder of the cable out, but that will leave me with another problem to sort!!

I guess these things are sent to try us:)

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On ‎03‎/‎02‎/‎2018 at 10:08 PM, S14 said:

My cable has broken, and I tried removing the cable but a small section of corroded cable was left inside the “piping”. Tried all sorts to try and get the section of broken cable out of the “piping” but it wont budge. Might have to split the “piping” to get the remainder of the cable out, but that will leave me with another problem to sort!!

I guess these things are sent to try us:)

@S14This is exactly what happened to me this morning! About 3" from the bottom was blocked with rusted old cable. In the end I decided to dissect the pipe with a Stanley knife and removed the blockages. Once the new cable was in I simply glued the incision together. I made the cut on the inside of the pipe so it wasn't visible from the outside :)

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5 hours ago, golfprorich said:

@S14This is exactly what happened to me this morning! About 3" from the bottom was blocked with rusted old cable. In the end I decided to dissect the pipe with a Stanley knife and removed the blockages. Once the new cable was in I simply glued the incision together. I made the cut on the inside of the pipe so it wasn't visible from the outside :)

Hi Golfprorich,

What glue did you use to repair the split “piping”?

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23 minutes ago, S14 said:

Hi Golfprorich,

What glue did you use to repair the split “piping”?

Just normal Loctite superglue. It seemed to do the trick but I will re-check in a day or so. As it was at the bottom I may wrap a bit of tape round to stop any water getting in. Ideally I'd have liked to just drill out the blockage but there wasn't enough movement in the hood to get a drill lined up :(

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  • 5 months later...
  • 3 months later...

Hi, @Sazzy. Just giving this a bit of a bump as I may need to tackle it this week. What adhesive did you use to put all of this back together? I saw mention of Loctite for the small bit of piping, but would that work for the whole job? Or did you get something more specialised? Thanks!

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1 hour ago, mk1max said:

Hi, @Sazzy. Just giving this a bit of a bump as I may need to tackle it this week. What adhesive did you use to put all of this back together? I saw mention of Loctite for the small bit of piping, but would that work for the whole job? Or did you get something more specialised? Thanks!

Hiya I didn't need to use anything, there is a lot of adhesive and it's very sticky. It all just went back together fine and has been ok ever since.

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  • 4 months later...
1 hour ago, Dubdubz said:

Hi is this when you pop up the roof and the hood tries to sit on the outside of the plastic outer sections?

This is when the hood fails to locate around the windows  in the  correct way and, as you say, sits outside the plastic folding frame. Sometimes its an elastic strap thats loose in the back of the hood and takes about 15 mins to fix if you know what your doing, thats not me by the way. Read through from the begining as Sazzy makes  it  very clear whats what, good luck 👍

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  • 3 months later...

It's a great guide, another thanks to @Sazzy from me too! However, I dismantled both sides (and had spare cables ready to go) only to find both my cables were fine. I considered replacing them anyway but was worried I'd make something that works no longer work! :D So I put it all back together and am going to replace the elasticated bands instead as I think that's the source of my problems.

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