23rd July 2019, 13:11
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#369
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This is my second home
R75 Saloon.
Join Date: Feb 2009
Location: France/or Devon.
Posts: 14,003
Thanks: 3,851
Thanked 2,167 Times in 1,816 Posts
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A big chunk of that black stuff you have, bottom left in your pic, should cure it. Right over the outlet hole.
With a clean out every two or three years maybe.--
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