You need to run your engine in. I think 1,000km is not enough. 1,500km is ideal to get the parts to loosen all its bits. With the window issue, youll need to test it like Homer Simpson did, window goes up, window goes down. Keep doing it and see if you have a problem. I dont know any other issues cos this was the only one that occured to me. Maybe take note of other peoples problems and investigate it before taking it in.



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