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Old 12-15-2013, 10:59 AM   #1
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ims once again

Hi
I was just wondering if it is possible just to swap just the plain bearing when checking the IMS.

My Boxster is an 1997 and should have a single row 6204 2RS bearing, is this correct?
Why not just install a quality SKF bearing of the same type?

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Old 12-15-2013, 11:34 AM   #2
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Nope, your car will be dual-row.

Received wisdom (partly due to recent revelations from Porsche) is that the dual-row bearing is pretty reliable.
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Old 12-15-2013, 11:57 AM   #3
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damn, whatīs the size on the dual row bearing?
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Old 12-16-2013, 02:42 AM   #4
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Ok, nsk 6402 dua 17. Impossible to find

Is this solution any good? Itīs easy enough to knock out some spacers.
Do they use some kind of special 6402 bearing in this kit?

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Old 12-16-2013, 09:15 AM   #5
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would a 4204 2rs fit?
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Old 12-16-2013, 09:53 AM   #6
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Project 14: Intermediate Shaft Bearing Upgrade - Page 1
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Old 12-16-2013, 10:23 AM   #7
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Jeje...........
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Old 12-17-2013, 07:40 AM   #8
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I think lN engineerings bearing is very close to an 3204....
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Old 12-17-2013, 11:58 AM   #9
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Quote:
Originally Posted by Hormoslyr View Post
Ok, nsk 6402 dua 17. Impossible to find

Is this solution any good? Itīs easy enough to knock out some spacers.
Do they use some kind of special 6402 bearing in this kit?

Pelican
I don't think so. You are replacing the double row bearing, which according to Porsche data given in a recent law suit, has a failure rate of less than 1%, to a single row which has a failure rate of 8+ percent. Just get the LN dual row replacement. Expensive, but proven.
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Old 12-17-2013, 02:34 PM   #10
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I believe the bearing designation for the double is 5204, but "double" check that as I've only sourced a single 6204.
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Old 12-17-2013, 09:15 PM   #11
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5204 is even better, tnx!
Now all i need is find one with steel cages and viton seals
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Old 12-18-2013, 02:44 AM   #12
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Be sure to check out the many threads on replacing the bearing. You have to lock the engine at TDC and check to make sure the timing is correct. Messing this up and starting the engine can result in catastrophic engine damage.
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Old 12-18-2013, 03:43 AM   #13
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1 data point for you: I changed out my dual row Ims on my 1997 box with 100,000 miles and the bearing was full of oil but in perfect shape.

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