Surely a hard tap is a knock?
It hasn't moved from the driveway yet due to no MOT or tax. The 'noise' only starts at 90+ on the temp gauge though, if it was a valve would be constant. Would also think a tappet would be constant?
It hasn't moved from the driveway yet due to no MOT or tax. The 'noise' only starts at 90+ on the temp gauge though, if it was a valve would be constant. Would also think a tappet would be constant?