09-05-2017, 12:46 PM
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#1
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Registered User
Join Date: Nov 2009
Location: PA
Posts: 170
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old 01s had oem bearing when sold at 90k
old 99 996 had oem bearing till 172k when hail totalled
current 03 has oem bearing at 53k currently
i think it's a hit or miss...i've been lucky i guess
paying 2-3k for an aftermarket bearing is a waste of money for me. I'd rather put that money into mods.
If it goes i'll deal with it then. Everyones priority is different.....
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09-05-2017, 05:25 PM
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#2
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Registered User
Join Date: Jun 2013
Location: Nanaimo, Vancouver Island, British Columbia, Canada
Posts: 906
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Just changed mine out just over 100,000 km the original bearing was fine
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09-06-2017, 06:44 AM
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#3
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2003 S, Arctic Silver, M6
Join Date: Oct 2014
Location: Winnipeg, MB, Canada
Posts: 1,346
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Quote:
Originally Posted by Fintro11
Just changed mine out just over 100,000 km the original bearing was fine

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Mine looked pretty much the same when I changed it out in the spring of 2016. In fact if I am reading it correctly it is the exact same bearing out of my 03 S
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09-06-2017, 01:13 PM
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#4
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Registered User
Join Date: Aug 2017
Location: Southern California
Posts: 33
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I am currently in the market for a '97-'01 986 and won't even consider a car if the IMS has not been replaced. Definitely less cars to choose from, but this way I don't have the expense or the worry if a PO has it already taken care of.
Call me crazy, but not willing to take the 1%-8% chance on an original IMS car. I have spoken with 3 sellers already with new IMS that had them replaced along with their motors when the original bearings went out.
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09-06-2017, 03:19 PM
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#5
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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 98Sixer
I am currently in the market for a '97-'01 986 and won't even consider a car if the IMS has not been replaced. Definitely less cars to choose from, but this way I don't have the expense or the worry if a PO has it already taken care of.
Call me crazy, but not willing to take the 1%-8% chance on an original IMS car. I have spoken with 3 sellers already with new IMS that had them replaced along with their motors when the original bearings went out. 
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I understand your position, but what if the PO had the IMS bearing replaced without the proper pre-check to ensure it qualified for the aftermarket IMS bearing? There are stories out there about IMS bearing being replaced then the engine blowing due to another issue. IMHO, you would be better off finding the right Boxster, getting a PPI done then, if the IMS bearing hasn't been replaced, have it done.
__________________
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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09-06-2017, 05:16 PM
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#6
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Registered User
Join Date: Aug 2017
Location: Southern California
Posts: 33
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Quote:
Originally Posted by Chuck W.
I understand your position, but what if the PO had the IMS bearing replaced without the proper pre-check to ensure it qualified for the aftermarket IMS bearing? There are stories out there about IMS bearing being replaced then the engine blowing due to another issue. IMHO, you would be better off finding the right Boxster, getting a PPI done then, if the IMS bearing hasn't been replaced, have it done.
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Agreed and that's the plan. I am presently evaluating a 986 owned by my Indie shop (have another P-Car as well) that just had the clutch, flywheel and an LN Engineering bearing installed. They are currently in the process of going through the entire car for me right now so I will know where it stands mechanically prior to making an offer to purchase.
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09-07-2017, 12:08 AM
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#7
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Registered User
Join Date: Nov 2016
Location: London
Posts: 234
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Quote:
Originally Posted by Chuck W.
I understand your position, but what if the PO had the IMS bearing replaced without the proper pre-check to ensure it qualified for the aftermarket IMS bearing? There are stories out there about IMS bearing being replaced then the engine blowing due to another issue. IMHO, you would be better off finding the right Boxster, getting a PPI done then, if the IMS bearing hasn't been replaced, have it done.
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Well as it happens one of the guys has just had something let go in his engine which had everything replaced. Just because an IMS has been replaced doesn't mean the rest will be bulletproof.
The paranoia is real with you guys.
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09-07-2017, 02:05 AM
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#8
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Registered User
Join Date: Sep 2013
Location: Montreal, QC. (currently expat to Shanghai)
Posts: 3,249
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Quote:
Originally Posted by That986
The paranoia is real with you guys.
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(edit: wt... talking like that about my friends online. Censured)
Live the moments!!! its just mechanics
Engine reliability - top 10 brands according to Warranty Direct
1. Honda (failure rate: 1 in 344)
2. Toyota (failure rate: 1 in 171)
3. Mercedes-Benz (failure rate: 1 in 119)
4. Volvo (failure rate: 1 in 111)
5. Jaguar (failure rate: 1 in 103)
6. Lexus (failure rate: 1 in 101)
7. Fiat (failure rate: 1 in 85)
8. Ford (failure rate: 1 in 80)
9. Nissan (failure rate: 1 in 76)
10. Land Rover (failure rate: 1 in 72)
Engine reliability - bottom 10 brands according to Warranty Direct
1. MG Rover (failure rate: 1 in 13)
2. Audi (failure rate: 1 in 27)
3. Mini (failure rate: 1 in 40)
4. Saab (failure rate: 1 in 40)
5. Vauxhall (failure rate: 1 in 41)
6. Peugeot (failure rate: 1 in 44)
7. BMW (failure rate: 1 in 45)
8. Renault (failure rate: 1 in 46)
9. Volkswagen (failure rate: 1 in 52)
10. Mitsubishi (failure rate: 1 in 59)
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'97 Boxster base model 2.5L, Guards Red/Tan leather, with a new but old Alpine am/fm radio.
Last edited by Nine8Six; 09-07-2017 at 09:37 PM.
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09-06-2017, 01:56 PM
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#9
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Racer Boy
Join Date: Sep 2015
Location: Seattle, WA
Posts: 946
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Quote:
Originally Posted by Fintro11
Just changed mine out just over 100,000 km the original bearing was fine

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What the bearing looks like with the grease seal on is meaningless. Mine looked great after 147,000 miles, too. But when I pulled the grease seals off, there was just a slight amount of grease left, more a residue than actual grease on the balls.
I don't know how much longer mine would have lasted, but I'm guessing it wouldn't have been long. I feel relieved that I had the bearing replaced.
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