Good day fellow tsikoteers, may problem po ako. I'm hearing a rattling sound coming from the engine bay of my car, parang nanginginig na bearing sound everytime mabilis na ang takbo accompanied by acceleration (4th and 5th gear). I'm not 100% sure pero parang present ito kapag naka-on yung aircon. I had a problem din kasi dati in which nagsquel yung (I'm not sure kung timing belt or chain) ko pero after ko irekla sa kanila during the 20k PMS, the sound disappeared. Any insights on this would be very much appreciated.