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There is a slight knocking coming from my ph1 172 when i set off. i first thought it was the driveshaft but i have now replaced that and the knocking is still there. anyone have any ideas what else it could be or experienced this themselves?
Thanks
I was getting the same knocking, turns out my dogbone mount had a crack in it. Had that replaced and the knocking stopped but it's slowly coming back so reckon another engine mount has had it.
I'd check your engine mounts as the next port of call.