AP courses can also help you get accepted into college. It's less about taking the easy classes and earning an A than it is about showing colleges that you're willing to take a challenging class, even if it lowers your grade point average.
If you hear a clunk when the suspension works over bumps, the probable cause is excessive clearance in a joint due to wear. It might be as simple as a loose strut gland nut, or something more subtle such as a shrunken, dried-out rubber bushing. Share.
Engine knock sounds vary depending on the cause, as it can be either a deep thumping noise or a light rattle. The root of the engine knock can generally be solved by locating the source of the sound. There are a number of root causes to many common engine problems. Early detonation - when a spark plug fires too early, the engine will knock. This occurs when the timing of the vehicle is off or the spark plugs are worn.