redrocky

Member
Hi does anyone know what this is for on the underside of the brake master cylinder on a 300tdi? it seems only the models with abs have it, is it for bleeding maybe?
 

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I haven't a clue either. will have to get a mirror and have a look :)
 

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you may be correct quite a few m/c have bleed nipples on them but they are normally a nipple like you would find on a caliper get some photos from under it
 
This is a picture of it looking up,seems to have a hex bolt in there. the reason i wanted to know is I need a new master cylinder and this bit seems to be on the abs ones but a breakers near me have one without it.
 

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Doesn't show it on the exploded diagram in either the manual or Microcat.

Ny guess would be a 'parts bin' fitting that's used for different models and that's a blanking plug in this application ... but that's only a guess!!

;)
 

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