i bought corolla xli 85000 km 1.3 manual car 6 moths before and i changed its engine oil and gear oil when purchased... now the car is working very much fine but i am expeiriencing 2 types of noises.... when i puch for the 1st gear... only at the 1st gear i get a very disturbing sound when i push for 1st gear the sound is like an old cluth pushed and it makes noise.... i had changed gear oil 6 months ago but after 6 months i have recieved this only noise but car is working fine so i want to ask that is this something of any concern and why is this sound coming please tell urgently...