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Zub-911
Silverstone


Joined: 08 Jul 2013
Posts: 126
Location: Perth, Scotland


PostPosted: Fri Nov 25, 2016 9:11 am    Post subject: Idler / Tensioner bearing replacement Reply with quote

For those of you interested;

The correct bearing can be found here for a good price;

Manufacturer: FAG / SFK
Type: Double Row Angular Contact Bearing, Sealed
Side; 15 x 35 x 15.9 mm
Part number: 3202-BD-2HRS-TVH / 3202 2RS /

https://www.bearingbasement.com/product/bearings/3202-bd-2hrs-tvh-fag-double-row-angular-contact-bearing-sealed/

~ £18 / each and free shipping. Beats £60+ replacement items from porsche or OEM...

Just a case of pressing out the old and pressing in the new..

Freezing the bearing and heating the pulley may help.

I'll post some info when i do mine.

Neil
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Last edited by Zub-911 on Fri Nov 25, 2016 10:18 am; edited 1 time in total
 
  
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Marky911
Magny-Cours


Joined: 04 Jun 2009
Posts: 2659



PostPosted: Fri Nov 25, 2016 9:14 am    Post subject: Reply with quote

Great tip, thanks. I'll save that link for future reference. Thumb
 
  
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EGTE
Imola


Joined: 06 Jul 2015
Posts: 841



PostPosted: Fri Nov 25, 2016 9:43 am    Post subject: Reply with quote

Great tip, but mine failed 2 months ago Smile

Ended up doing all 3, plus belt!
 
  
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sneezebreeze
Newbie


Joined: 07 Apr 2016
Posts: 9
Location: Sussex


PostPosted: Thu May 30, 2019 8:18 am    Post subject: Reply with quote

Hi thanks for the tip here.

Does anybody you know if the bearings above are the correct spec for both idlers, and the tensioner.

I have a 996.2 C4 manual

I was previously looking at the Hamburg ones on design911 for £50 each, these all have different part numbers, so assumed there was a difference.

99710211700/1: https://www.design911.co.uk/fu/prod139542/Drive-Belt-Tensioning-Roller-Porsche-996---Boxster-987---Cayman-987C---997/

99710211900/1: https://www.design911.co.uk/fu/prod6704/Drive-Belt-Deflection-Roller-Porsche-996---987---997_2/

99710211800/1: https://www.design911.co.uk/fu/prod6702/Drive-Belt-Deflection-Roller-Porsche-996---987---997/

Many thanks
 
  
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Zub-911
Silverstone


Joined: 08 Jul 2013
Posts: 126
Location: Perth, Scotland


PostPosted: Thu May 30, 2019 9:43 am    Post subject: Reply with quote

The bearings can only be replaced in the metal pulleys.
I can’t remember how many are metal, 1 maybe 2.
The plastic moulded over the bearing cannot be replaced.
The bearings I specify are the correct spec. Identical to originals for the metal pulleys.
Very simple to press out and in.
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wasz
Sepang


Joined: 28 Dec 2012
Posts: 2998


1999 Porsche 996 Carrera 2

PostPosted: Thu May 30, 2019 11:29 am    Post subject: Reply with quote

rockauto.com will do a pair of new dayco brand idler pulleys complete for about £50 delivered, I fitted some to mine 10 minute job and quietened the engine down (old bearings dead).
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sneezebreeze
Newbie


Joined: 07 Apr 2016
Posts: 9
Location: Sussex


PostPosted: Sat Jun 01, 2019 11:25 am    Post subject: Reply with quote

Many thanks for the advice
 
  
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skinny_monkey
Nürburgring


Joined: 16 Sep 2014
Posts: 464



PostPosted: Sun Jun 02, 2019 2:26 pm    Post subject: Reply with quote

wasz wrote:
rockauto.com will do a pair of new dayco brand idler pulleys complete for about £50 delivered, I fitted some to mine 10 minute job and quietened the engine down (old bearings dead).

£50 delivered from the states? Rockauto are US based right?
 
  
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Zub-911
Silverstone


Joined: 08 Jul 2013
Posts: 126
Location: Perth, Scotland


PostPosted: Sun Jun 02, 2019 3:00 pm    Post subject: Reply with quote

skinny_monkey wrote:
wasz wrote:
rockauto.com will do a pair of new dayco brand idler pulleys complete for about £50 delivered, I fitted some to mine 10 minute job and quietened the engine down (old bearings dead).

£50 delivered from the states? Rockauto are US based right?



Or £18 each shipped? For the same FAG / SFK bearings hat Porsche use..

https://www.bearingbasement.com/product/bearings/3202-bd-2hrs-tvh-fag-double-row-angular-contact-bearing-sealed/

Question Dont know why would you use a more expensive non standard bearing?
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Rosselder83
Trainee


Joined: 01 Apr 2019
Posts: 57



PostPosted: Sun Jun 02, 2019 7:07 pm    Post subject: Reply with quote

Probably a stupid question but are the turbos the same?
 
  
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sneezebreeze
Newbie


Joined: 07 Apr 2016
Posts: 9
Location: Sussex


PostPosted: Sun Jun 02, 2019 10:34 pm    Post subject: Reply with quote

Zub-911 wrote:
The bearings can only be replaced in the metal pulleys.
I can’t remember how many are metal, 1 maybe 2.
The plastic moulded over the bearing cannot be replaced.
The bearings I specify are the correct spec. Identical to originals for the metal pulleys.
Very simple to press out and in.


Which ones in this pic can be replaced with the bearings you mention.
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Zub-911
Silverstone


Joined: 08 Jul 2013
Posts: 126
Location: Perth, Scotland


PostPosted: Mon Jun 03, 2019 7:14 am    Post subject: Reply with quote

3, 8 & 7.

But check you don’t have the newer type plastic moulded in place of these.

https://www.mecatechnic.com/en-GB/poly-trip-rear-belt-idler-pulley-for-porsche-996-997-boxster-and-cayman-987_RS13447.htm?utm_source=google_shopping&utm_medium=cpc&utm_campaign=acquisition-produit&utm_content=RS13447&gclid=EAIaIQobChMI-Jqc3eHM4gIViLbtCh32NQyMEAQYByABEgI41fD_BwE
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P911X50
Spa-Francorchamps


Joined: 03 Jan 2017
Posts: 254
Location: Hertfordshire


PostPosted: Mon Jun 03, 2019 11:24 am    Post subject: Reply with quote

Hi

Would these fit a 996 tt?

thumbsup
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7584
Location: Brighton


PostPosted: Mon Jun 03, 2019 7:37 pm    Post subject: Reply with quote

996 Turbo is different ...well .. different engine anyways .. parts here ..

https://www.deroure.com/diagrams.asp?TBL=3208&MAK=3&MDL=28&SMA=0&SMO=0&ST=&SC=0
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grbspeedster
Montreal


Joined: 11 Nov 2007
Posts: 605
Location: Rugby


PostPosted: Thu Jun 06, 2019 1:55 pm    Post subject: Reply with quote

Hi. Just had to replace one of mine, didn't see this until after I had bought one. Quick measure up and the bearings are the same in the turbo. I'm going to get a set in and replace the others during winter
Thanks Neil Thumb
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Rosselder83
Trainee


Joined: 01 Apr 2019
Posts: 57



PostPosted: Thu Jun 06, 2019 2:05 pm    Post subject: Reply with quote

grbspeedster wrote:
Hi. Just had to replace one of mine, didn't see this until after I had bought one. Quick measure up and the bearings are the same in the turbo. I'm going to get a set in and replace the others during winter
Thanks Neil Thumb


Handy to know, i think ill do the same.
 
  
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P0tential
Newbie


Joined: 08 Jun 2019
Posts: 27
Location: Finland


PostPosted: Sat Jun 08, 2019 9:24 am    Post subject: Reply with quote

Thanks for the bearing type! I need to inspect a few of mine to try and hunt down a slight whine from the aux belt area.
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Locosaki
Spa-Francorchamps


Joined: 03 Jul 2016
Posts: 331
Location: Fife


PostPosted: Sat Jun 08, 2019 11:57 am    Post subject: Reply with quote

I’ve just done as Wasz mentioned above. 2 idler pulleys delivered from rockauto for £50 delivered. Thanks for the head up Wasz.
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Hertsdriver
Nürburgring


Joined: 12 Nov 2018
Posts: 471
Location: Hertfordshire/London

2004 Porsche 997 Carrera 2

PostPosted: Thu Jun 27, 2019 3:51 pm    Post subject: Reply with quote

I love this forum! was about to shell out for 3 new idlers, but as I have the metal type I think i'll be ordering the bearings..... thumbsup

thank you!
 
  
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Luddite
Nürburgring


Joined: 18 Dec 2018
Posts: 496
Location: Scotland


PostPosted: Thu Jun 27, 2019 5:00 pm    Post subject: Reply with quote

I have replaced a few bearings but not come across one that did not have it`s manufacturers I.D. etched on one of it`s sides as a series of numbers.

Of course Porsche will have their own part number for the bearing which will appear on their packaging or perhaps SKF or whoever manufacture the bearing will number it with a Porsche specific I.D. but I doubt it...?

With the manufacturers number it should be a simple matter of ordering it from somewhere like :-

https://simplybearings.co.uk/shop/?gclid=EAIaIQobChMI-tCeiI-K4wIVgQvTCh2n-wn5EAAYAiAAEgLUSvD_BwE

I have rarely purchased bearings from a main dealer unless they were other than standard in appearance...
 
  
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