03-27-2018, 06:55 PM
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#1
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"50 Years of 550 Spyder"
Join Date: Jun 2015
Location: The Road
Posts: 959
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New bearings are cheap.
Engines are expensive.
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550 SE #310---"It's more fun to drive a slow car fast, than a fast car slow."
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03-28-2018, 06:06 PM
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#2
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Registered User
Join Date: Apr 2016
Location: SE Michigan
Posts: 496
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Quote:
Originally Posted by 10/10ths
New bearings are cheap.
Engines are expensive.
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Yeah but replacing a perfectly working original double-row bearing is waste of money and a bearing. No plan to replace mine at 82K miles, without any sign of failure: zero metal flakes in oil filter. YMMV
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1997 Boxster arctic silver/ red, XNE riveted mahogany/ leather steering wheel & 917-style wood shift knob, Ben’s short shifter, PSE, 996 TB, UDP, stereo/ center console delete, hardtop and speedster humps, daily driver rain or shine or snow!
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03-28-2018, 07:45 PM
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#3
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1997 Tip, 2018 Macan
Join Date: Aug 2015
Location: Upland, CA
Posts: 1,338
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Inquiring minds want to know.  I wonder if anybody has ever pulled the OEM bearing out, pried the inner cover out, cleaned out the old goop and decided that the bearing is fine? Then put it back in? 
I read somewhere that some version of a recommended fix is to remove the inner cover of a new bearing. That way fresh oil can regularly get into the bearing. I know it sounds like heresy and who would get that deep into a clutch X/O without a new bearing ready to go, but somebody must have tried it.
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03-28-2018, 09:04 PM
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#4
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Registered User
Join Date: Feb 2017
Location: CO
Posts: 989
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Quote:
Originally Posted by rexcramer
Inquiring minds want to know. I wonder if anybody has ever pulled the OEM bearing out, pried the inner cover out, cleaned out the old goop and decided that the bearing is fine? Then put it back in?
I read somewhere that some version of a recommended fix is to remove the inner cover of a new bearing. That way fresh oil can regularly get into the bearing. I know it sounds like heresy and who would get that deep into a clutch X/O without a new bearing ready to go, but somebody must have tried it. |
I think the non oil fed bearings are plain bearings (various types) with no seals. Or maybe the other way around. When my clutch dies, I will do the rest. Currently no signs of an issue.
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03-29-2018, 01:23 AM
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#5
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,622
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Quote:
Originally Posted by rexcramer
Inquiring minds want to know. I wonder if anybody has ever pulled the OEM bearing out, pried the inner cover out, cleaned out the old goop and decided that the bearing is fine? Then put it back in?
I read somewhere that some version of a recommended fix is to remove the inner cover of a new bearing. That way fresh oil can regularly get into the bearing. I know it sounds like heresy and who would get that deep into a clutch X/O without a new bearing ready to go, but somebody must have tried it. |
If you did, it would promptly fail. The extraction process overly stresses the old balls, races, and cages, which is why LN from the beginning has always said that if you try to install a bearing and get it cocked, and then have to extract it, do no use the bearing, get a new one. The extraction process is a one way trip to the trash can.......
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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03-29-2018, 07:02 PM
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#6
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1997 Tip, 2018 Macan
Join Date: Aug 2015
Location: Upland, CA
Posts: 1,338
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That makes perfect sense. I have never been that deep into an M96 engine. I am thinking it would be a great paper weight/conversation piece on my desk though. Thanks for the insight.
Quote:
Originally Posted by JFP in PA
If you did, it would promptly fail. The extraction process overly stresses the old balls, races, and cages, which is why LN from the beginning has always said that if you try to install a bearing and get it cocked, and then have to extract it, do no use the bearing, get a new one. The extraction process is a one way trip to the trash can.......
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03-30-2018, 05:07 AM
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#7
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,622
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Quote:
Originally Posted by rexcramer
That makes perfect sense. I have never been that deep into an M96 engine. I am thinking it would be a great paper weight/conversation piece on my desk though. Thanks for the insight.
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You might be surprised at how many people choose to ignore LN's advice, only to ultimately find out why they said it in the first place.........
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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1997 Porsche Boxster
2018 Porsche Macan
