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Old 11-27-2009, 10:56 AM
Gurunutkins's Avatar
Gurunutkins Gurunutkins is offline
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Join Date: Oct 2005
Location: Seattle WA
Posts: 496
Werner is probably not joking
I just replaced both rear axles on my 450sl and the seals on both were handed unless you can get the upgraded part. the actual shaft itself has small threads machined into it to return oil from between the seal and the bearing back through the bearing. if you use the wrong one it actually pumps oil into the space. I bought new upgraded shafts without the thread so it didnt matter which seal I used. Here is the relevant bit out of the 107 bible. EPC seems to be down at the moment so I cant check it for the transmission seal but if you have an older car with the treads on the shaft (and I cant check for now) you may have a problem if using an aftermarket seal (right size number or not)
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450sl transmission rear seal failure-seals-rear.jpg  
61 Austin mini
67 Lotus 7
74 450sl
76 Cadillac 8.2l (501 ci)

some new cars

megasquirt conversion on:
djet 74 450sl
cis 76 450sl

the best view is always from the point of no return
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