Yes, good idea not to touch it! It holds the oil pump pick-up in place, inside the case. If you remove it, you may not be able to get the strainer / pick-up back on the bolt. And then you are looking at possibly having to split the case to get it back on...

"Georgios A. Stylianides, PhD" <gstylia@YAHOO.COM> wrote:  Hi All,

Would anybody know the function of a 6mm Hex/Allen
Bolt at the bottom of the crankcase located in front
of the Oil Drain Plug?
I haven't touched it ... yet...!

You may view a picture at
http://www.esu.edu/~gstylia/vw/BoltUnknown.jpg

It is the red arrow'd one.
It looks like ETKA's part number is N-014-739-1, and
description "Bolt, with Hex. Socket Hd. - M8x16).

RE: Vanagon 86, 2.1 Watercool

Thanks,

geo

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