adeel Posted January 23, 2020 Share Posted January 23, 2020 have a mb6 Everytime i switch car off there is a buzzing noise coming from under the brake servo. And this drains my battery. Its like a noise the fuel pump makes when u put ignition on. Can anybody advise what this could be Quote Link to comment Share on other sites More sharing options...
KiNK43 Posted January 23, 2020 Share Posted January 23, 2020 The abs pump is under the servo. Maybe that? There is a fuse above the right side engine mount. Maybe see if you pull that out does your noise go away? You may have to reset the abs light after this though. There is a guide on here somewhere. 1 Quote Link to comment Share on other sites More sharing options...
Dave Posted January 23, 2020 Share Posted January 23, 2020 Yeah, exactly as Jake says. Most likely the abs pump as the servo itself can't really make the noise described. Are there any relays on the inner wing near there as it could also be one of those making the noise? Quote Link to comment Share on other sites More sharing options...
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