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Intermediate shafts

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I believe Porsche modified the intermediate shafts on Boxster engines as from 2001 model year. Does anyone know the relevant engine numbers so we can confirm whether our cars are modified or not. I do a fair mileage and would like to anticipate any possible problems. Does the mod cure the problem completely? John.
 
According to the Porsche PET

A 996 105 015 58 was the old shaft design (it says 9:cool:
A 996 105 015 63 is the new one (00-)

The old it says is used in engines up to (type) 651 (number) 12851 AND (type) 671 (number) 11237
The new is used in engines from (type) 651 (number) 12852 AND (type) 671 (number) 11238
 
ORIGINAL: plimmer

I believe Porsche modified the intermediate shafts on Boxster engines as from 2001 model year. Does anyone know the relevant engine numbers so we can confirm whether our cars are modified or not. I do a fair mileage and would like to anticipate any possible problems. Does the mod cure the problem completely? John.
Click to expand...

John

If you asked Porsche they would say "What problem?" so I'm afraid I've no idea. I also have no stats on failure rates or mileage at failure. Perhaps Nic "Stato" Doczi may have some input here?

JCB..
 
What problem?

1B41ED0291FF472AB4B8805AD240B940.jpg
 
Mark
my car is an "s" registered Jan 2001 chassis no.WPOZZZ98Z1U641479 with an engine no. of 67104593 ( I think) Does this tie up ?
 
You've changed your car haven't you John?[;)] I have you down as a '98 2.5[:D]
(Can you let club office know the new details - they will update the register for me - thanks!)

The engine number looks early for the info from the PET doesn't it... Very odd

As a comparison, my engine number is 671 12824, and my car was built in May/June 2001.
 
I realise of course that there is no problem whatsoever, but if there were such a thing, I have heard it said that the shaft bearing arrangement is different before and after the design change, thereby affecting the lateral support for the shaft.
Any truth in this?
Mine's a 2000MY so now I am going to have to check my engine number and decide whether to worry or have another beer!
 
ORIGINAL: russtbird

I realise of course that there is no problem whatsoever, but if there were such a thing, I have heard it said that the shaft bearing arrangement is different before and after the design change, thereby affecting the lateral support for the shaft.
Any truth in this?
Mine's a 2000MY so now I am going to have to check my engine number and decide whether to worry or have another beer!
Click to expand...

If it makes you feel any better my MY2K has 86K on it. [:)]
 

ORIGINAL: russtbird

I realise of course that there is no problem whatsoever, but if there were such a thing, I have heard it said that the shaft bearing arrangement is different before and after the design change, thereby affecting the lateral support for the shaft.
Any truth in this?
Click to expand...

That's pretty much it - there were some good photo's illustrating the difference in a recent 911 & Porsche World magazine.

I got the impression the new Intermediate Shaft was not interchangable with the old because of this, although I may be mistaken.
 
John -obviously it didnt suffer the Y2K bug[:D]. I hear that there is a 2.5l model in everyday use running at about 275k.
 
I was trying to work out where the bearings go from Tool Pants' photo[8|]. Any idea which copy of 911&PW had the feature?
 
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