10-07-2017, 01:03 PM
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#1
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Registered User
Join Date: Mar 2017
Location: DC Area
Posts: 7
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78.5K miles on my '05 with the original IMS. Like many have stated in this thread, I'll treat it like a wear item and replace it when I replace the clutch and RMS. Seems like a waste to go to all that effort to simply swap out the IMS. If she pops, I'll gladly replace the engine for a newer, more powerful version, since the rest of the car is in fantastic shape.
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10-27-2017, 02:27 PM
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#2
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Registered User
Join Date: Jun 2017
Location: West Hollywood, CA
Posts: 54
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115k still on original IMS
I discussed this with my indy when I first took it to him for service after I purchased. He's worked on Porsches for decades, first in a dealership and then on his own, and strongly recommended against, even at a clutch change. Basic feeling was, those that would fail have failed already, based on all his observations of the many that have come under his wrenches since the introduction of the Boxster.
One hears a lot about how essential it is to replace the bearing but not about real world, current, failures. I'm of a mind to chalk this up to a great marketing job by the manufacturer rather than a real need at this point.
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09-08-2017, 08:26 AM
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#3
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WALDMEISTER
Join Date: Sep 2013
Location: Germany
Posts: 1,378
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Have faith, AMEN!
I keep calm and drive on...lol
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Original Owner | PORSCHE Boxster 2.7L (MY01) | Seal Gray
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09-11-2017, 04:47 AM
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#4
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Registered User
Join Date: Jul 2015
Location: LaGrange Highlands,IL
Posts: 181
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I have a 99 with about 111,600 on the car and as far as I know the IMS is original.
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1999 Boxster base w/sport package Ocean Blue Metallic/Savanna Beige
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09-11-2017, 07:20 AM
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#5
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Registered User
Join Date: Jan 2007
Location: BC
Posts: 1,349
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A well respected indie I know had a LN he installed fail after 20k km. Doesn't know why. The only sure things in life are death and taxes.
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2001 Boxster, 5 spd, Seal Grey
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09-11-2017, 11:02 AM
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#6
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Registered User
Join Date: Dec 2004
Location: Montreal, Canada
Posts: 16
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268,000 Km on mine.. never touched the IMS..
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09-12-2017, 08:54 AM
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#7
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Registered User
Join Date: Sep 2012
Location: S. New Jersey
Posts: 1,239
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Quote:
Originally Posted by fourniem
268,000 Km on mine.. never touched the IMS..
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Come on that's like only 166,500 miles, just getting broke in. Your probably on the original WP and AOS
Do you have any oil leaks?
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2002 S - old school third pedal
Seal Grey
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09-14-2017, 05:55 PM
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#8
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Registered User
Join Date: Jul 2015
Location: Between Kingston and Toronto
Posts: 74
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Only 76,000 Km, all original on a 99'
__________________
1999 Silver Boxster
www.mulcahey.com
https://www.instagram.com/garymulcahey/
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10-05-2017, 07:29 PM
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#9
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Need For Speed
Join Date: Feb 2013
Location: Funville
Posts: 2,114
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124k miles on my 03 S original IMSB.
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2003 Boxster S
| 987 Air Box | K&N Air Filter | 76mm Intake Pipe| 996 76mm TB | 997 Distribution T | Secondary Cat Delete Pipes | Borla Muffler | NHP 200 Cell Exhaust Headers |
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10-29-2017, 05:22 AM
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#10
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Registered User
Join Date: Dec 2004
Location: Montreal, Canada
Posts: 16
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Sorry for late reply... now at 2701,000 Kms..
no oil leaks, no oil consumption. the only thin I replaced since new is 1 water pump, 1 alternator and 1 AOS !
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10-29-2017, 11:35 PM
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#11
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Registered User
Join Date: Sep 2017
Location: Location Location
Posts: 70
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I just had my IMS bearing replaced (dual row, 2000 Boxster S, 86k kms) during a clutch replacement.
My mechanic was heavily against IMSB replacements so we agreed to decide once the transmission was down and he could inspect the existing bearing.
After inspecting the current bearing he was rather shocked to find the existing bearing with significant play both in-out and up-down.
So I had it replaced with an equivalent bearing, with the plan being replacing it alongside every clutch.
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10-30-2017, 06:32 AM
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#12
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Registered User
Join Date: Sep 2008
Location: Agoura Hills (LA) So.Cal.
Posts: 1,574
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Quote:
Originally Posted by square-root
My mechanic was heavily against IMSB replacements so we agreed to decide once the transmission was down and he could inspect the existing bearing.
After inspecting the current bearing he was rather shocked to find the existing bearing with significant play both in-out and up-down.
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Sounds like a standup honest mechanic. Very good.
__________________
1995 Porsche C4 Cab
2016 BMW M2, 6 Speed LBB - ED 7/2016
1997 993 Cab - Sold; 1997 993 Turbo - Sold
2001 Boxster S - Original Owner - 30K Miles -SOLD
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