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Old 11-16-2015, 11:45 AM   #1
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idler pulleys

Hello guys.
i recently sold my car (again) and one of the things i never got around to do, is replace the 3 idler pulleys.
was wondering what are the options out there beside the OEM parts.
i know there is an option to press new bearing in there, but was wondering if they are any aftermarket parts or alternatives that might make a good fit.
thanks in advance.
Meir.


Last edited by Meir; 11-16-2015 at 11:47 AM.
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Old 11-16-2015, 03:03 PM   #2
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Quote:
Originally Posted by Meir View Post
Hello guys.
i recently sold my car (again) and one of the things i never got around to do, is replace the 3 idler pulleys.
was wondering what are the options out there beside the OEM parts.
i know there is an option to press new bearing in there, but was wondering if they are any aftermarket parts or alternatives that might make a good fit.
thanks in advance.
Meir.
I'm sorry I can not help with the idler pulleys but I have to post. I'm hoping you have at least one newer Boxster lined up for purchase? You put out the best DIYs on the forum and we don't want to lose you!
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Old 11-16-2015, 07:15 PM   #3
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I'm sorry I can not help with the idler pulleys but I have to post. I'm hoping you have at least one newer Boxster lined up for purchase? You put out the best DIYs on the forum and we don't want to lose you!
LOL!
No worryes and thanks for the kind words.
I'm looking at 996 these days, so I'm still going to stay in the neighborhood.
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Old 11-18-2015, 04:10 PM   #4
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I just purchased these from Rock Auto, ~ $24 each. Received 3 days are.
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Old 11-19-2015, 07:16 PM   #5
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Originally Posted by xzl6b1 View Post
I just purchased these from Rock Auto, ~ $24 each. Received 3 days are.
Thanks for the tip.
That is really a good deal.

Last edited by Meir; 11-19-2015 at 07:21 PM.
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Old 11-20-2015, 07:47 AM   #6
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Meir,
Your diy write ups were great -thanks !
Yes,I have pressed in new bearings into the pulleys. But it is a dubiously 'smart' idea. I have a 20t press. I managed to crack one pulley ! I only noticed the hairline crack when I cleaned the pulley before fitting it.
If you do press out the old bearing -soak it in penetrating fluid for days before using any force on it .When it eventually moves, press it back and forth and reapply the penetrant. It is tempting to just heave on the brutal 20 t press. Support the pulley perfectly or you will bend it.
Freeze the replacement bearing and the press die before you insert it.
The complete pullies are so cheap from Rock Auto ,it isn't worth it imho.
So Meir , when will you get a replacement Boxster?
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Old 11-20-2015, 08:35 AM   #7
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Originally Posted by Gelbster View Post
Meir,
Your diy write ups were great -thanks !
Yes,I have pressed in new bearings into the pulleys. But it is a dubiously 'smart' idea. I have a 20t press. I managed to crack one pulley ! I only noticed the hairline crack when I cleaned the pulley before fitting it.
If you do press out the old bearing -soak it in penetrating fluid for days before using any force on it .When it eventually moves, press it back and forth and reapply the penetrant. It is tempting to just heave on the brutal 20 t press. Support the pulley perfectly or you will bend it.
Freeze the replacement bearing and the press die before you insert it.
The complete pullies are so cheap from Rock Auto ,it isn't worth it imho.
So Meir , when will you get a replacement Boxster?
not sure yet, but it will be after the 911. that is an each i need to scratch.
one thing for sure, my next boxster is gong to have a 3.4L or above.
my dream car is the spyder, but my bank account doesn't align with my dreams at the moment
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Old 11-20-2015, 12:57 PM   #8
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Meir,
Let me give you a hint on the 911 that you may want to hide from your wife:
1. They cost way more than a Boxster S.
2. At the first bend you will be safer/faster in a Boxster
3. Just search "911 snap+oversteer" or lift off oversteer.
Suggest you may enjoy reading this & discussing it with Pedro - he is near you?
Chronicles of Sebring, part 1 Technical Article by Pedro
and
http://www.pedrosgarage.com/Site_5/Chronicles_of_Sebring,_part_2.html
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Old 11-20-2015, 04:49 PM   #9
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Originally Posted by Gelbster View Post
Meir,
Let me give you a hint on the 911 that you may want to hide from your wife:
1. They cost way more than a Boxster S.
2. At the first bend you will be safer/faster in a Boxster
3. Just search "911 snap+oversteer" or lift off oversteer.
Suggest you may enjoy reading this & discussing it with Pedro - he is near you?
Chronicles of Sebring, part 1 Technical Article by Pedro
and
Chronicles of Sebring, part 2 Technical Article by Pedro
Ok.
You convinced me.
I'll go check this one tomorrow.

PORSCHE CARRERA GT GEMBALLA MIRAGE GT
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Old 11-20-2015, 04:56 PM   #10
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Meir,
Wow ,what a car ! Suggest you devote a new thread to the visit/inspection/test drive with lotsa photos .I think it would be of great interest here :-).
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Old 11-22-2015, 04:15 PM   #11
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Meir, et al, I just received the pulleys. They had a 15 mm dia inside bore bearing.
They would not fit the existing spacers/bushings on my 97, bearing inner bore 17mm.

You will either have to machine the existing bushings (if they are 17mm id), or buy from Pelican.They include new 15 mm dia bushings (I think).
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Old 11-23-2015, 08:02 AM   #12
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Originally Posted by xzl6b1 View Post
Meir, et al, I just received the pulleys. They had a 15 mm dia inside bore bearing.
They would not fit the existing spacers/bushings on my 97, bearing inner bore 17mm.

You will either have to machine the existing bushings (if they are 17mm id), or buy from Pelican.They include new 15 mm dia bushings (I think).
thanks for the info

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