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b8575
Newbie


Joined: 08 Nov 2019
Posts: 8



PostPosted: Fri Nov 08, 2019 11:58 am    Post subject: my new 997.2 Reply with quote

Been a long time lurker on 911uk but finally managed to bag myself a 997.2 manual. Pretty basic spec but I like it and hadn't seen many with 18" wheels like mine.

All seems good so far but have a little high pitch whine from the rear when driving and not sure what that might be, any ideas would be welcome!
 



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Phil 997
Le Mans
Le Mans


Joined: 05 Dec 2015
Posts: 15448
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Fri Nov 08, 2019 12:13 pm    Post subject: Reply with quote

Welcome to the group , now you have a 911 hopefully you will get more involved. looks like a nice car the 3.6 often came specced with 18" alloys as the is no doubt 18" is a softer more compliant ride. I am sure one of the more technical guys on here will be along to offer advise on what the whine might be, and hopefully quite an easy fix. Thumb Thumb
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FZP
Estoril


Joined: 18 Jan 2015
Posts: 3791
Location: Cheshire


PostPosted: Fri Nov 08, 2019 12:46 pm    Post subject: Reply with quote

Congrats on the new car. As for the high pitched whine, does it only happen when the Mrs opens her trap, or does it also occur when she's not in the car Floor Floor Floor
3.6 is an under appreciated motor in my book. Enjoy in good health
Thumb
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997.2 Carrera 2S GT Silver/Cocoa.
 
  
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b8575
Newbie


Joined: 08 Nov 2019
Posts: 8



PostPosted: Fri Nov 08, 2019 1:09 pm    Post subject: Reply with quote

Thanks for the welcome guys and good spot @Phill997 it is a 3.6, I forgot to mention that.

Unfortunately, the whine is noticeble all the time no matter who is in the car!
 
  
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MattyR
Hockenheim


Joined: 21 Sep 2015
Posts: 681
Location: Somewhere Nr Tunbridge Wells, Kent


PostPosted: Fri Nov 08, 2019 1:14 pm    Post subject: Reply with quote

Nice ride thumbsup The standard Carrera is a lovely car. Understated and not loud. I like it for that. Enjoy!
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Phil 997
Le Mans
Le Mans


Joined: 05 Dec 2015
Posts: 15448
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Fri Nov 08, 2019 1:37 pm    Post subject: Reply with quote

b8575 wrote:
Thanks for the welcome guys and good spot @Phill997 it is a 3.6, I forgot to mention that.

Unfortunately, the whine is noticeble all the time no matter who is in the car!


Ok so we have established the whine is not emotional and more mechanical Grin Grin hopefully deMort will see the thread when he gets in from work and offer some thoughts in the meantime I am sure others will also suggest ideas , is it more of a pump failing whine or a suspension /drive component whine than say a belt slipping whine . Question
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b8575
Newbie


Joined: 08 Nov 2019
Posts: 8



PostPosted: Fri Nov 08, 2019 1:50 pm    Post subject: Reply with quote

Phil 997 wrote:
b8575 wrote:
Thanks for the welcome guys and good spot @Phill997 it is a 3.6, I forgot to mention that.

Unfortunately, the whine is noticeble all the time no matter who is in the car!


Ok so we have established the whine is not emotional and more mechanical Grin Grin hopefully deMort will see the thread when he gets in from work and offer some thoughts in the meantime I am sure others will also suggest ideas , is it more of a pump failing whine or a suspension /drive component whine than say a belt slipping whine . Question


I can't explain it very well but it sounds like the engine of an electric milk float in the back but much quieter, that sort of whine, maybe transmission related? It might even be totally normal! Very Happy

Edit: will try and get a recording of it tonight, that might be easier
 
  
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Phil 997
Le Mans
Le Mans


Joined: 05 Dec 2015
Posts: 15448
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Fri Nov 08, 2019 2:08 pm    Post subject: Reply with quote

b8575 wrote:
Phil 997 wrote:
b8575 wrote:
Thanks for the welcome guys and good spot @Phill997 it is a 3.6, I forgot to mention that.

Unfortunately, the whine is noticeble all the time no matter who is in the car!


Ok so we have established the whine is not emotional and more mechanical Grin Grin hopefully deMort will see the thread when he gets in from work and offer some thoughts in the meantime I am sure others will also suggest ideas , is it more of a pump failing whine or a suspension /drive component whine than say a belt slipping whine . Question


I can't explain it very well but it sounds like the engine of an electric milk float in the back but much quieter, that sort of whine, maybe transmission related? It might even be totally normal! Very Happy

Edit: will try and get a recording of it tonight, that might be easier


That would be helpful especially for the techs on here . Thumb Thumb
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jonno_
Nürburgring


Joined: 29 May 2014
Posts: 436
Location: Oxfordshire

2005 Porsche 997 Carrera 2S

PostPosted: Fri Nov 08, 2019 8:07 pm    Post subject: Reply with quote

Congrats on the new car - looks lovely.

We're just guessing at the noise, but these cars are rather sensitive to servicing.

Depending on when it was last done, it's worth checking the serpentine belt, water pump, alternator and a/c compressor, along with tensioners.

If you've not already found a local Indy, if you post your location I'm sure we can recommend someone close (ish)
Welcome to 911uk btw 😀
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997.1 Seal Grey c2s manual, ltt, mobridge, zunsports, Carrera S IIs (summer)
 
  
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b8575
Newbie


Joined: 08 Nov 2019
Posts: 8



PostPosted: Fri Nov 08, 2019 9:03 pm    Post subject: Reply with quote

Thanks for all the replies and welcomes, they are much appreciated

I tried to make a recording of the noise but the only thing I discovered is that iPhones are incredibly sensitive to picking up the sound of someone moving the indicator stick Dont know

the noise doesn’t change with revs but doesn’t sound like a bearing. I can also hear what sounds like clinking glass coming from somewhere but I have no idea what that is!

I’ll just keep an ear out for it over the coming months and if I do find out what it is, will post back.


On the Indy front, I’m based around Oxford so I think I have a few good options around me. I was going to try Wrightune or DS automotive. Autofarm are close to me also
 
  
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Milo72
Monza


Joined: 19 Sep 2018
Posts: 201
Location: Buckinghamshire


PostPosted: Fri Nov 08, 2019 11:00 pm    Post subject: Reply with quote

b8575 wrote:
Thanks for all the replies and welcomes, they are much appreciated

I tried to make a recording of the noise but the only thing I discovered is that iPhones are incredibly sensitive to picking up the sound of someone moving the indicator stick Dont know

the noise doesn’t change with revs but doesn’t sound like a bearing. I can also hear what sounds like clinking glass coming from somewhere but I have no idea what that is!

I’ll just keep an ear out for it over the coming months and if I do find out what it is, will post back.


On the Indy front, I’m based around Oxford so I think I have a few good options around me. I was going to try Wrightune or DS automotive. Autofarm are close to me also


I see from the garages you mentioned you aren’t far from me. I use RPM over near Tring, they have always been great.
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GlenB
Silverstone


Joined: 20 Jul 2018
Posts: 117



PostPosted: Fri Nov 08, 2019 11:07 pm    Post subject: Reply with quote

Does it do it when stationary or only when moving? And does it go if you dip the clutch?
 
  
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b8575
Newbie


Joined: 08 Nov 2019
Posts: 8



PostPosted: Sat Nov 09, 2019 9:12 am    Post subject: Reply with quote

GlenB wrote:
Does it do it when stationary or only when moving? And does it go if you dip the clutch?


Seems constant with speed rather than RPM and I only hear it when moving. Definitely not there when stationary. I’ll try with the clutch down when moving.
 
  
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nigel99
Barcelona


Joined: 16 Jul 2015
Posts: 1346
Location: Berkshire

2009 Porsche 997 Carrera 2S

PostPosted: Sat Nov 09, 2019 10:22 am    Post subject: Reply with quote

Welcome, looks like a very nice car. The 997.2 is the 911 sweetspot, however that may change to the 991.1 if I ever get one. Very Happy
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systech1
Silverstone


Joined: 10 Jul 2016
Posts: 144
Location: Adelaide, South Australia


PostPosted: Sat Nov 09, 2019 11:41 am    Post subject: Reply with quote

Whines are usually either water pump, belt tensioners or alternator bearings or similar... but these all tend to be rev dependent so your issue has me baffled🥴
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Long time Porsche fan. Previous cars include 911T 2.2, 911E 2.2, Carrera 3.0, 986 Boxster S. Current car is 997.2S Manual (with PSE, H&S Backbox bypass, Sports Chrono, SSK, DSC PASM controller, Carrera Sports wheels, Ducktail/Diffuser and splitter, Sport Design steering wheel etc.)
 
  
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7433
Location: Brighton


PostPosted: Sat Nov 09, 2019 7:42 pm    Post subject: Reply with quote

Pretty difficult to nail the noise down but some thoughts ..

if it was any pulley , alternator or anything belt driven then it would be there stationary and alter with rpm .. so that's kinda out the window .

Clutch release bearing and dip the clutch when you hear the noise to see if it goes but that also tends to alter with speed ... a possible shall we say .

Try .. when you hear this noise turning off the a/c .. it's possible its low gas .. well just about and this will prove it .

Wheel bearing .. i think i'm more leaning towards this but the noise won't really start to 30 plus mph .. sometimes they don't alter with speed so a possible .

Tyres are another possible but different road surfaces will change the noise .. if constant and the same then i would rule this out as well .

Sound clip i'm afraid .. need something to work from as whilst i don't recognise every noise .. i do know quite a few Smile
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My Daughter's Crowdfunding has hit the target .

Thank you all so Very much .

She's not going until july 2020 though .



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HSC911
Long Beach


Joined: 23 Jul 2014
Posts: 6679
Location: Bedford


PostPosted: Sat Nov 09, 2019 7:49 pm    Post subject: Reply with quote

I was gonna say the Mrs too The Wife Grin

You're wheels are winter wheels hence why 18's Thumb
 
  
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arthouse
Trainee


Joined: 20 Nov 2018
Posts: 52
Location: Suffolk


PostPosted: Sat Nov 09, 2019 9:59 pm    Post subject: Reply with quote

Good choice, i have a 3.6 manual C2 too, brilliant car.

As for the whining, funny that cos mine does have one too, i notice it more on smoother roads and only noticed it after i changed my top mounts recently, my money is on a wheel bearing.
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997.2 C2 Manual, Carrara White, PCCB, SC PASM w/LSD, PSE, SSK, Chrono, Carbon bits and Yellow Belts
 
  
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arthouse
Trainee


Joined: 20 Nov 2018
Posts: 52
Location: Suffolk


PostPosted: Sat Nov 09, 2019 10:02 pm    Post subject: Reply with quote

HSC911 wrote:


You're wheels are winter wheels hence why 18's Thumb


Aren't they just the standard (non 'S') wheels?
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997.2 C2 Manual, Carrara White, PCCB, SC PASM w/LSD, PSE, SSK, Chrono, Carbon bits and Yellow Belts
 
  
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b8575
Newbie


Joined: 08 Nov 2019
Posts: 8



PostPosted: Sat Nov 09, 2019 10:10 pm    Post subject: Reply with quote

deMort wrote:
Sound clip i'm afraid .. need something to work from as whilst i don't recognise every noise .. i do know quite a few Smile


Thanks for you message. I’ll try to get a better quality sound clip but I think you’re right, it’s probably something wheel/tyre related. There’s a slight rattle from the exhaust area on start so it might be something loose rattling and resonating
 
  
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