my fathers car getting a bit old but still in good running condition...kaya lang parang medyo malakas na ang vibration ng engine...medyo ramdam sa loob lalo na pag bukas ang ercon...ano po kaya remedyo dun? he's car is lancer 93 model....madalas na kasi mag reklamo ang matanda eh....hehehe...pls tell me some advice!tnx.....