Hi JC ;
There's actually TWO rubber bits needing changing , an O-Ring and then the boot that holds the lower pipe into the engine block ~ it must be removed by draining the oil then dropping the sump then using a wooden dowel to carefully knock the lower pipe up and out of the old , rock hard rubber , then you can carefully pry the rubber out in many tiny pieces before easily pressing the new boot in with your hand and re - assembling everything , often you can re use the gasket on the sump .
WARNING : _DO_NOT_ be a goof like some folks (ahem) and try to flat rate the job and remove the lower pipe from above ~ you'll wind up mangling the pipe before it comes out and you'll likely gouge the alloy hole the boot fits in so it'll dribble a bit forevermore....
I hope this helps , it is definately a DIY job , if messy .
-Nate
JC wrote:
>
> Hi,
>
> I have a 1984 300SD and for a hile now, I have oil spots in my garage after I park it there for a while.
>
> Looking into it is appears the leak comes from the return of the turbo oil, at the point where it enters the bottom oil pan. There is a small rubber seal ring there and I suspects it's worn out, dry, and not sealing properly.
>
> Question: How do you change this seal? I suppose you must pull the pipe out from the top, but it would be nice to have confirmation of this.
>
> Thanks for any help on my minor problem. The car only has 120,000 miles and run like a new car.....actually better than a new car as it is more reliable and easier to fix than these modern computerized vehicles should any problem crop up!
>
> JC
> on Vancouver Island
>
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