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cbriggs1978
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Joined: 02 Sep 2018
Posts: 21



PostPosted: Mon Mar 11, 2019 9:08 pm    Post subject: chasing the targa noises! Reply with quote

Evening, my quest to quieten down the targa roof continues and now I am focusing on the sun blind. with the motor cover off, there is rubber tube around the "pipes", I am sure these are tight against the panel the motor mounts to as they dont feel easy to spin, this makes me think they could be a squeak source! therefore i am looking to remove them but as they are tight, once off I dont think they will be easy to remove. Has anyone seen this before or offer any ideas as to why they may be there before I remove them?

thanks
Chris
 



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infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 8140
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Mon Mar 11, 2019 9:28 pm    Post subject: Reply with quote

One way to eliminate them as a source of noise is to do the same as you would for noisy suspension rubbers.

Drive, making sure the noise is present, then one by one spray a little WD-40 to see if any actually quieten down?
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cbriggs1978
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Joined: 02 Sep 2018
Posts: 21



PostPosted: Mon Mar 11, 2019 9:35 pm    Post subject: Reply with quote

thanks, will give that a go, unfortunately there are a lot of noises so I cant be sure this is an actual source but suspect it will be, good thought on the wd40!
 
  
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Diamaduk
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Joined: 29 Nov 2015
Posts: 9



PostPosted: Tue Mar 12, 2019 6:11 pm    Post subject: Reply with quote

This was posted a few months ago, very useful. http://911uk.com/viewtopic.php?t=129967
 
  
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deMort
Long Beach


Joined: 21 Mar 2015
Posts: 6155
Location: Brighton


PostPosted: Tue Mar 12, 2019 8:40 pm    Post subject: Reply with quote

The rubber tubes on the roller blind cable tubes are not standard , they will not stop any noise as the tubes are fixed and basically cant cause a noise .

Get rid of them and see where you go from there .

I have yet to have a noise that is caused by any part of the blind mechanism and ive done a few of these .

See the link above as i listed many places there .. i would say open the glass roof all the way .. look at the very front and the plastic guide rails for the wind deflector .. lub these .. i use Crytox .. a porsche lub .. use it on the wind deflector stops .. so each side of the glass section .. its the bit that pushes against the blind .

Basically any plastic part at the front .

Rule of thumb .. glass and old rubber seals make a noise .. usually a creak .. you need to crytox where both meet .

If you can do a sound clip i can advise a bit better .. move the phone around whilst doing it .. not all noises are actually the roof .

If it helps .. ive rebuilt 28 roof systems on these and fixed countless noises and water leaks.
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cbriggs1978
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Joined: 02 Sep 2018
Posts: 21



PostPosted: Sun Mar 17, 2019 8:10 pm    Post subject: Reply with quote

Thanks gents, I have been following all the guides and trying to lube as indicated several times. I have found a willing flexible person to sit in the back and start putting sticky circles where the noises are coming from so I can start chasing down.

One rattle does seem to be the glass panel itslef when open - it moves maybe 1-2mm in the "runners". If I hold it, one rattle definately goes away!
 
  
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deMort
Long Beach


Joined: 21 Mar 2015
Posts: 6155
Location: Brighton


PostPosted: Sun Mar 17, 2019 8:58 pm    Post subject: Reply with quote

wear in the mechanism can cause a rattle .. your kinda stuck on what you can do here .. you need to drop the fabric liner on which ever side .. best way .. pull out from the rear to get at the t25 screw at the rear ..

Undo screw .. the rest unclips and pull back at the front .. you should now see the linkage .. look at the front and you will see a copper coloured square block in a metal frame .. some .. well .. basically axle grease on that one part only .. they can rattle ... no grease on the cables or runners though .. you are just trying to dampen any noises from this part alone .

Adjustment can also help but thats a bit more complicated as it involves removeing a roof motor .. the n/s/r one and adjusting the position of the mico switch .. it will alter the position the roof closes at .. when set right the mechanism will be in a totally upright position and apply the the max force on it ..

its kinda hard to explain im afraid .

The more normal noises are .. open the roof .. look under the wind deflector .. x3 plastic blocks .. lub these , lub the x2 rubber clear plastic blocks each side .. same area .. on the roof .. the glass bit then theres x2 points each side that the roof pushes on the wind deflector .. often a plastic part of this is missing .. you cant buy it but lub both of these .

The doorseals each side .. rain x on the rubbers and on the windows were it touches the rubbers .. leave to dry ..

Open the rear glass hatch .. lub the rubber seal , look at the hinges .. x2 plastic blockes .. lub them .. lub the rear rubber stops you adjust for the rear glass ..

To be honest there are many places these cause noises .. my suggestion .. Northway or Prescion for roof problems .



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cbriggs1978
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Joined: 02 Sep 2018
Posts: 21



PostPosted: Mon Mar 18, 2019 9:40 pm    Post subject: Reply with quote

Thank you again for the replies, I will have another look on friday when I am off. Unfortunately I am in aberdeen so will have to tackle this on my own!

I will look at dropping the fabric liners.

One thing I have noticed, I am not sure the roof is closing fully, its almost 2mm lower than you would think it should be to make a seal - I will take a closer look at this on friday as well!
 
  
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deMort
Long Beach


Joined: 21 Mar 2015
Posts: 6155
Location: Brighton


PostPosted: Tue Mar 19, 2019 5:28 pm    Post subject: Reply with quote

The roof does open and close ok i take it ? you dont have to give it a helping hand ?

Its just that if the roof doesnt close fully it will rattle like a bitch.
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cbriggs1978
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PostPosted: Tue Mar 19, 2019 8:06 pm    Post subject: Reply with quote

no it opens and closes smoothly , i think the rattle is caused by play in something rather than not open / closed fully. the rattle does seem more when it is fully open.
 
  
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