05-03-2019, 02:57 PM
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#1
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Registered User
Join Date: Apr 2019
Location: Bulgaria
Posts: 34
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A way to know if IMS was upgraded
I purchased the 1998 2.5l recently. All I know is that it was imported from Germany in 2010, which means there's a slight chance it had the IMS bearing already upgraded by prev. owner (that's unknown to me).
Is there any way to tell if that part is stock without actually removing the clutch?
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05-03-2019, 03:17 PM
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#2
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,424
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Quote:
Originally Posted by palmhero
I purchased the 1998 2.5l recently. All I know is that it was imported from Germany in 2010, which means there's a slight chance it had the IMS bearing already upgraded by prev. owner (that's unknown to me).
Is there any way to tell if that part is stock without actually removing the clutch?
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Without a paper trail, no.
__________________
“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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05-03-2019, 03:36 PM
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#3
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Registered User
Join Date: Jan 2019
Location: PA
Posts: 1,537
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If it was upgraded with the DOF solution, you'd see a tube going from the oil filter to the back of the motor where it mates with the bell housing. Any other upgrade there's no way to tell without taking the clutch off.
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05-03-2019, 03:49 PM
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#4
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1998 Boxster Silver/Red
Join Date: Sep 2017
Location: 92262
Posts: 2,979
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Quote:
Originally Posted by piper6909
If it was upgraded with the DOF solution, you'd see a tube going from the oil filter to the back of the motor where it mates with the bell housing. Any other upgrade there's no way to tell without taking the clutch off.
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What if it's a Tiptronic, and absent the DOF solution? Are there any other indicators that might reveal that the IMS was replaced?
Thanks!
__________________
1998 Porsche Boxster
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05-03-2019, 03:56 PM
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#5
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Registered User
Join Date: Apr 2019
Location: Bulgaria
Posts: 34
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I think I'll start by inquiring at the Porsche Center. If it was replaced there, there would be some service history available. Unless they charge the price of another Boxster for that info.....
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05-05-2019, 03:16 PM
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#6
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Registered User
Join Date: Aug 2005
Location: Sanford NC
Posts: 2,549
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The 98 would have had an engine with the first generation bearing. There is a chance the engine was replaced and that replacement engine could have had another generation Porsche sourced bearing. Or some owner could have replaced the original with any number of bearings from any number of sources. And there is no way known to the experts to tell short of pulling the transmission and engine apart.
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05-05-2019, 05:08 PM
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#7
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Registered User
Join Date: Jan 2019
Location: PA
Posts: 1,537
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Quote:
Originally Posted by Starter986
What if it's a Tiptronic, and absent the DOF solution? Are there any other indicators that might reveal that the IMS was replaced?
Thanks!
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If it's a Tiprtonic you won't need to remove the clutch!
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05-06-2019, 04:21 AM
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#8
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1998 Boxster Silver/Red
Join Date: Sep 2017
Location: 92262
Posts: 2,979
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Quote:
Originally Posted by piper6909
If it's a Tiprtonic you won't need to remove the clutch!
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You're brilliant! Maybe you didn't understand my inquiry, as Tiptronic doesn't have a clutch. Next time I'll use multi-colored fonts and in different sizes.
__________________
1998 Porsche Boxster
Last edited by Starter986; 05-06-2019 at 04:35 AM.
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05-06-2019, 06:55 AM
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#9
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Registered User
Join Date: Apr 2017
Location: Indiana
Posts: 1,484
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Quote:
Originally Posted by Starter986
You're brilliant! Maybe you didn't understand my inquiry, as Tiptronic doesn't have a clutch. Next time I'll use multi-colored fonts and in different sizes.
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This 👇 🙄
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05-06-2019, 07:02 AM
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#10
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Registered User
Join Date: Jan 2019
Location: PA
Posts: 1,537
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Quote:
Originally Posted by Starter986
You're brilliant! Maybe you didn't understand my inquiry, as Tiptronic doesn't have a clutch. Next time I'll use multi-colored fonts and in different sizes.
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Sorry, I thought you were joking.
Here's the serious answer:
AFAIK, If it's a DOF solution, you'd see a tube running from the oil filter to the back of the block where the tranny mates up. Regardless of whether it's a manual tranny or Tip.
I don't know of any other upgrade where you'd be able to tell without dropping the tranny (manual or Tip) or verifying with service history.
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05-06-2019, 07:08 AM
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#11
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Registered User
Join Date: Jan 2019
Location: PA
Posts: 1,537
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Quote:
Originally Posted by JBauer
This 👇 🙄
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JBauer gets it!
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05-06-2019, 07:20 AM
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#12
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1998 Boxster Silver/Red
Join Date: Sep 2017
Location: 92262
Posts: 2,979
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Quote:
Originally Posted by piper6909
Sorry, I thought you were joking.
Here's the serious answer:
AFAIK, If it's a DOF solution, you'd see a tube running from the oil filter to the back of the block where the tranny mates up. Regardless of whether it's a manual tranny or Tip.
I don't know of any other upgrade where you'd be able to tell without dropping the tranny (manual or Tip) or verifying with service history.
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I'm always picking brains, and thought you might know something I didn't. I'll include a smiley or wink when jesting... thus the crayon reference, lol.
So... I've no jab about "slim pickings".
Have a great day!!!
__________________
1998 Porsche Boxster
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05-06-2019, 07:47 AM
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#13
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Registered User
Join Date: Jan 2019
Location: PA
Posts: 1,537
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Quote:
Originally Posted by Starter986
I'm always picking brains, and thought you might know something I didn't. I'll include a smiley or wink when jesting... thus the crayon reference, lol.
So... I've no jab about "slim pickings".
Have a great day!!!
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BTW, I'm in the same situation. I have Tiptronic and no way of knowing if the IMS was done.
The cost of doing the IMS is about 1/3 of a junkyard motor. And that's just parts. I have no idea what labor would be if I got in over my head and couldn't do it myself. Not much of an insurance benefit, in my opinion, since the failure rate is about 10%.
If I had a manual tranny, I'd probably plan to do it when the clutch was due.
So, I'll just drive and enjoy the car and if it fails I'll worry about it then.
Also, I'll examine the oil filter for debris when I change the oil.
Best wishes.
Last edited by piper6909; 05-06-2019 at 07:48 AM.
Reason: spelling
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05-06-2019, 10:45 AM
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#14
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Registered User
Join Date: Aug 2005
Location: Sanford NC
Posts: 2,549
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Good luck at the dealer. All sorts of assumptions there as the car might have been serviced by an independent mechanic. Also the dealer may or may not give you info based on privacy concerns.
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05-06-2019, 03:59 PM
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#15
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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Quote:
Originally Posted by Starter986
You're brilliant! Maybe you didn't understand my inquiry, as Tiptronic doesn't have a clutch. Next time I'll use multi-colored fonts and in different sizes.
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Actually tips have clutch packs....
__________________
1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
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