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944S top balance shaft shot to bits...

T

tartan_rob

New member
I managed to get the top balance shaft out and it is shredded, well the consumables are. Oil seals, bearings etc.

I am mailing round to get prices for most of the components but am I missing anything and does anyone do an overhaul kit?

5 woodruff key
6 shaft seal
7 spacer
11 polyester seal
13 bearing sleeve
12 o-ring
28 bearing shell
29 bearing shell
21 end ring
22 round seal

 
Your best bet is an OPC for these sorts of parts.

There is a front reseal kit that for around £50 that contains all the front seals, including the shaft seal, the polyester (onion skin) seal.

Is the shaft itself OK? What do the bearings look like?
 
The shaft is fine but the shells and bearing sleeve are shot to bits. By the looks of things, they've been worn for a bit causing vibration, causing the oil seals to leak causing more vibration and round we go....

I've got the whole lot in bits on the garage floor, just need new parts and put the beast back together again.
 
May I ask...

How many miles has the car done? Until 4 years ago I had never heard of a balance shaft failing (anyone?), when mine let go... I wonder if it is an age related thing rather than mileage. My car had only done 130k miles - there seemed to be a spate of head-gaskets going a while ago, and that seemed that they had just all gotten too old rather than anything else particularly suspicious (mine included to my surprise at 230k miles at the time).
 
The bottom balance shaft bearings went on my S2 at around 70K miles but the top remained ok up to 117K when I sold the car.
 
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