Hi, everybody, I had my timing belt with coolant pump replaced in a free workshop last year. I went back one day later because the belts made sounds like a screaming cat and I wanted to be safe. When I drove from the yard, the vibrating noises started. You can also consciously cause them. If the threshing number is at about 1700 and you give gas. As soon as you walk off the gas, nothing can be heard. who works on many different cars, listened to it and even though he could hear it and had already had a suspicion, unfortunately he did not confirm himself and now I have been driving around for over a year. I am of course also with the complaint back in the workshop, as I noticed it, however, then they presented me a KVA with almost 500 euros for some other and then I had these things repaired gradually (of course for clearly who My friend has already checked the engine suspension, as well as the parts on which the mechatronicians were at the service. I think it won’t be due to the oil change. Maybe something on the pure air filter? I also had it changed right away. I thank you for your tips.