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Old 04-11-2012, 05:00 AM   #1
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I just want to got into a little more detail on car #2. the flange seal was seeping, upon pulling the bearing cover, the bearing appeared to be OK, the center spun freely or so it seemed. It was not until I pulled the bearing out that I realized something is going on. There was a lot of residue build up inside the shaft(something not visible with bearing in place) the bearing itself had no oil or grease in it. Normally when you take a healthy bearing out, lay it on it's side, a lot of oil will drain out. This one had none, holding in my and and turning it revealed what felt like a mild ratcheting. another words the bearing was starting to break down. Did a thorough inspection of the filter, took an oil sample sent off to Blackstone (has not come back yet) there were no traces of anything in the filter. All of thes cars had the single row bearing.
My point being, just taking the bearing cover off is not a good enough inspection, you must take the bearing out. If I had made the call that the bearing was OK and put in just a new seal I would have had a law suit on my hands in 2 or 3 months for sure. Since you would have to take the bearing out for proper inspection then it only makes sense to go ahead and replace it and as of now it appears that LN Engineering bearing is the best solution.
I hope that answers all your questions
thank you for your support
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Old 04-11-2012, 09:01 AM   #2
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Quote:
Originally Posted by harryrcb View Post
I just want to got into a little more detail on car #2. the flange seal was seeping, upon pulling the bearing cover, the bearing appeared to be OK, the center spun freely or so it seemed. It was not until I pulled the bearing out that I realized something is going on. There was a lot of residue build up inside the shaft(something not visible with bearing in place) the bearing itself had no oil or grease in it. Normally when you take a healthy bearing out, lay it on it's side, a lot of oil will drain out.
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Originally Posted by harryrcb View Post
I have found on every car except the blown bearings that there was an abundance of oil behind the bearing. When you pull the bearing out you get about half a quart of oil gushing out from the shaft

There is some good info right here, especially from a person that has done plenty of bearings. Thanks
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Old 04-12-2012, 04:12 AM   #3
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Why the best

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Originally Posted by harryrcb View Post
and as of now it appears that LN Engineering bearing is the best solution. I hope that answers all your questions thank you for your support
No it raises the question of what aspects of the LN bearing cause you to say it is the best when compared to other (and potentially cheaper) IMS bearing replacement kits being offered. There are now about 5 solutions being offered with more in development...
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Old 04-15-2012, 12:35 PM   #4
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Ims

I have an 04 BoxterS. 57k miles. I recently heard a tinny screeching every 2-3 seconds at idle coming from the rear IMS area of the engine. I change oil and filter every 2500 - 3000 miles. I drive it hard on occasion but also do some in town driving. No lugging , no abuse. I'll pull the filter to inspect it, but I will not start the engine. Needless to say , I'll be pissed if it's the IMS bearing. Porsche engineers knew well ahead of 2004 that there was an inherent design flaw and should have redesigned sooner than 09. My Porsche dealer denied seeing any problems with IMS bearings in Boxters when I was there six months ago. I'll re post when I have the noise professionally diagnosed. Any suggestions on a good independent garage in the Portland or Salem Oregon area that will install a non Porsche replacement bearing ?
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Old 04-16-2012, 03:03 AM   #5
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LN has a list of those they regularly sell to and thus are presumed experienced.
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Old 04-16-2012, 11:27 AM   #6
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If you cannot hand the car to a Luddite and have them drive it without a long list of do's and don'ts then you have not solved the IMS problem, you are simply swapping parts. It is a fairly straightforward concept.
That is my point.
the truth is that LN Engineering does have a fix but it involves replacing the IMShaft
Not too many people are willing to pay to have the engine overhauled just for that so they came up with a band aide fix by just replacing the bearing. Just ask them, they will tell you.

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In Atlanta Jim Ellis Porsche (the dealership) will install the any IMS you want and quite reasonably priced as well. So it does not HAVE to be an independent shop.
Most dealers are unwilling to put a third party part in a Porsche (at least in my area)

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LN has a list of those they regularly sell to and thus are presumed experienced.
I have a small problem with their list !!! they want a monthly payment to get on it. That does NOT mean that a shop is better than one that is not on the list just because they give money to LN Engineering.
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