All of it. The 10 percent figure you occasionally see is nonsense that a lot of people believe just because they've seen it so much.
Quick Answer. Some things that cause a vehicle's front end to make a clunking noise are worn ball joints, a damaged tie rod, broken or loose sway-bar links, hard or damaged shocks, and faulty shock mounts. An automotive professional can inspect the vehicle's front end to locate the source of the clunk. Continue Reading.
Strange Engine Noises. A dirty or clogged air filter often leads to many strange noises when the car is idling. If you notice coughing or spitting type noises when your car is stopped in traffic, this is a good sign that your carâs engine is not receiving adequate airflow and that the air filter needs to be changed.