A3doc Posted March 24 Share Posted March 24 Can anyone tell me what on earth this cakey white soot like residue is on the pipe when I popped my bonnet this morning Audi 35tdi 2020 Thanks Quote Link to comment Share on other sites More sharing options...
Magnet Posted March 25 Share Posted March 25 Hello Asad, Looks to be deposited by some ‘outside influence’. Have you looked at the under- bonnet insulation? Kind regards, Gareth. 1 1 Quote Link to comment Share on other sites More sharing options...
A3doc Posted March 25 Author Share Posted March 25 12 hours ago, Magnet said: Hello Asad, Looks to be deposited by some ‘outside influence’. Have you looked at the under- bonnet insulation? Kind regards, Gareth. Thanks Gareth, No i havent but I will check I did it get washed not under the hood but just exterior thoroughly the other day wonder if its just soap residue I was worried it was something more sinister Thank you for getting back to me 1 Quote Link to comment Share on other sites More sharing options...
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