Not that i'm aware of. I could take it off and inspect it. It did feel soft when i was poking about on wednesday.
My main concern is wether 20 Ins HG is acceptable or a possible cause also. If the vaccum isn't sufficient at source then anything after that is going to suffer. If 20 hg is fine then i'll start replacing bits or get it hooked upto vida which should be able to tell me boost pressure???
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