Notices
996 Forum 1999-2005
Sponsored by:
View Poll Results: Has YOUR car suffered an IMS failure
Yes, the IMS failed
8.58%
No issues with IMS
91.42%
Voters: 1609. You may not vote on this poll

IMS bearing failure for your 996, Y or N? tell us (yr, 996 Mk1 or MK2 failure mode)

Thread Tools
 
Search this Thread
 
Old 06-17-2021 | 01:17 PM
  #1291  
USNA1970's Avatar
USNA1970
Instructor
 
Joined: May 2016
Posts: 232
Likes: 9
From: Hamden, CT
Default

I assume that nice bearing is full of engine oil. Hard to believe the original grease could survive 99k miles with hot oil always trying to sneak by the seals.
Old 06-17-2021 | 01:44 PM
  #1292  
Sam-Son's Avatar
Sam-Son
Rennlist Member
 
Joined: May 2005
Posts: 545
Likes: 308
From: NYC
Default

Dunno. It was still sealed. Maybe they aren't as weak as they're made out to be

Last edited by Sam-Son; 06-17-2021 at 01:46 PM.
Old 06-18-2021 | 12:09 PM
  #1293  
Cityfisher's Avatar
Cityfisher
Racer
 
Joined: Jul 2020
Posts: 368
Likes: 89
From: Toronto
Default

Originally Posted by Sam-Son
Dunno. It was still sealed. Maybe they aren't as weak as they're made out to be
I opened mine up. Full of oil. No grease left. I guess the oil was doing its job!
Old 06-20-2021 | 10:09 PM
  #1294  
808Bill's Avatar
808Bill
Rennlist Member
 
Joined: Dec 2016
Posts: 8,053
Likes: 810
From: Kauai
Default

Originally Posted by Cityfisher
I opened mine up. Full of oil. No grease left. I guess the oil was doing its job!
Same here at 50K
Old 07-07-2021 | 11:31 PM
  #1295  
ZuffenZeus's Avatar
ZuffenZeus
Nordschleife Master
 
Joined: Oct 2015
Posts: 5,390
Likes: 1,930
From: Zuffenhausen, Georgia
Default

Originally Posted by User 63031
Interesting discussion that flared up again. I'll introduce myself; my name is Boxman
Just revisiting this thread since it's been unlocked and I see this....

user 63031 is now "User 63031"???

You changed your username? What is that, your zip code? Nice anonym dude!
Old 07-08-2021 | 01:15 AM
  #1296  
Porschetech3's Avatar
Porschetech3
Rennlist Member
 
Joined: Oct 2010
Posts: 6,458
Likes: 4,869
From: Alabama USA
Default

Originally Posted by b3freak
Just revisiting this thread since it's been unlocked and I see this....

user 63031 is now "User 63031"???

You changed your username? What is that, your zip code? Nice anonym dude!
LMAOO,, that's funny...
Old 08-16-2021 | 02:18 PM
  #1297  
VRMoose's Avatar
VRMoose
Rennlist Member
 
Joined: Apr 2020
Posts: 12
Likes: 2
From: Northern VA
Default

'03 C4S w/ 39,850 miles ... I'm the new owner (#4) ... car came with little service/maintenance history. Original IMS bearing replaced by an FSI approved disciple in my area after borescope qualification. No damage or issue with the OEM IMS bearing I decided to install 'the solution"




Old 08-21-2021 | 09:03 AM
  #1298  
tiiimb's Avatar
tiiimb
Intermediate
 
Joined: Feb 2019
Posts: 25
Likes: 0
From: Nashville
Default 2001 C4 cab 39 replaced (dual) IMS, no failure

I wish I had known this car had a dual IMS, as I would not have replaced it. Oh well now I have a new clutch assembly etc. so I'm good to go for many years.
Old 08-21-2021 | 03:47 PM
  #1299  
Brian_C's Avatar
Brian_C
Rennlist Member
 
Joined: Dec 2019
Posts: 517
Likes: 191
From: Minnesota
Default

Originally Posted by tiiimb
I wish I had known this car had a dual IMS, as I would not have replaced it. Oh well now I have a new clutch assembly etc. so I'm good to go for many years.
New IMSB will help with resale if you choose to sell in the next 5yrs. New, informed, 996 buyers will always ask if the IMSB has been replaced regardless of dual or single. It was a good while you’re in there investment.
Old 08-24-2021 | 08:10 PM
  #1300  
808Bill's Avatar
808Bill
Rennlist Member
 
Joined: Dec 2016
Posts: 8,053
Likes: 810
From: Kauai
Default

Originally Posted by Brian_C
New IMSB will help with resale if you choose to sell in the next 5yrs. New, informed, 996 buyers will always ask if the IMSB has been replaced regardless of dual or single. It was a good while you’re in there investment.
Not really as it's going to be due for another replacement in 5 years, unless it was the IMS Solution from LN.
Old 08-24-2021 | 10:14 PM
  #1301  
bamaboy473's Avatar
bamaboy473
Racer
 
Joined: Feb 2019
Posts: 491
Likes: 46
From: Gulf Coast, Alabama
Default

Originally Posted by 808Bill
Not really as it's going to be due for another replacement in 5 years, unless it was the IMS Solution from LN.
That 5-year guarantee confuses me. Is it just marketing, or did the shop install something just as fragile as the OEM part? Why a limit on life for the new bearing, regardless of miles?

Old 08-25-2021 | 08:16 AM
  #1302  
Billup's Avatar
Billup
Three Wheelin'
 
Joined: May 2017
Posts: 1,255
Likes: 614
From: Charleston, SC
Default

Originally Posted by bamaboy473
That 5-year guarantee confuses me. Is it just marketing, or did the shop install something just as fragile as the OEM part? Why a limit on life for the new bearing, regardless of miles?
The bearing design is a serviceable/wearable component, which is nice they even put a guarantee on it. If you don't feel comfortable exceeding that warranty period, then have the Solution installed. I had a dual row LN bearing installed, will probably extend past the "warranty" period because I'm not worried about it. I trust the design and will replace the next time the trans needs to be dropped.

I think of it no different than a belt changes on a Ferrari. Can a 10 year old belt with only 5,000 miles on it be fine, sure, but it can also still fail. It's up to you as the owner to decide how to address these nuances. It is a sports car after all.
Old 08-29-2021 | 11:16 PM
  #1303  
rjsupgen's Avatar
rjsupgen
Rennlist Member
 
Joined: Nov 2018
Posts: 45
Likes: 2
From: Virginia
Default IMS non-issue

1999 C2, early build. No issue w/IMS bearing. At 98,000 miles the bearing was replaced as part of a 100,000 mile service; replaced w/an auto-oiler. Currently at 110,000 miles.
Old 11-24-2021 | 09:17 AM
  #1304  
SSDVC's Avatar
SSDVC
Rennlist Member
 
Joined: Dec 2020
Posts: 864
Likes: 244
From: NE CT
Default

New to me 2001 C4 Cab with 56,199 miles. Bearing seals were not in place, zero grease and race cap had come loose. Inside one end you could see the spalling on the bearing raceway. Like I said, got it just in time.
Old 11-25-2021 | 02:25 PM
  #1305  
jmj951's Avatar
jmj951
Pro
 
Joined: Aug 2008
Posts: 726
Likes: 3
From: This changes a lot.
Default

Originally Posted by SSDVC
New to me 2001 C4 Cab with 56,199 miles. Bearing seals were not in place, zero grease and race cap had come loose. Inside one end you could see the spalling on the bearing raceway. Like I said, got it just in time.
Awesome! Success story! Mine was very similar, dual-row 99 and one row had even already fallen apart (broken ball cage).


Quick Reply: IMS bearing failure for your 996, Y or N? tell us (yr, 996 Mk1 or MK2 failure mode)



All times are GMT -3. The time now is 09:11 AM.