help again

[strudy]

well i thought it was sorted rear window has packed up again wont go up/down from inside or out but sometimes if i bang it it will work anyone have any ideas thanks

[Koi]

well i thought it was sorted rear window has packed up again wont go up/down from inside or out but sometimes if i bang it it will work anyone have any ideas thanks

Try the obvious, rear wiper correctly home on its rest, if you banging the window then may be a loose connection or motor on its way out.