What are the reasons for a car feeling very noisy?
2 Answers
Engine noise becoming louder is most likely to occur when the engine is hot, cold, or low on oil. The causes of such issues can be categorized into problems with the air filter, spark plugs, ignition wires, gasoline, fuel filter, carburetor, fuel pump, etc. Check the air filter, spark plugs, ignition coil, and whether the gasoline is contaminated, such as water in the fuel line. Also, inspect the fuel pump. Below are various scenarios where engine noise increases: 1. Oil pressure too high or too low: While driving, acceleration may seem normal, and ignition may also appear normal. However, when driving at a constant speed, you might notice that the engine RPM is too high, but the speed doesn't seem to increase. Try checking the coolant. If the oil pressure is too high or too low, inspect the oil pressure gauge. Another possibility is an issue with the ignition timing setting, which can also cause such symptoms. Other potential causes include internal engine problems, such as a clogged EGR valve. 2. Engine overheating: The engine makes a hissing sound, similar to steam or air escaping from the engine. Generally, after hearing this sound, the engine rapidly loses power. The issue might be engine overheating—check the cooling system. Other possibilities include a blocked exhaust system or a leaking/broken vacuum hose. 3. Generator bearing may be damaged: When accelerating, the engine produces a whirring sound, or it may also occur when decelerating. In short, the sound changes with RPM. Possible causes include low power steering fluid—refill it. The generator bearing may be damaged. Issues with the power steering pump or water pump can also produce similar noises.
I've been driving for years, and the most common cause of increased noise is usually exhaust system issues. If the exhaust pipe rusts through or the muffler fails, the engine noise escapes directly, creating a loud rumbling sound. Another source is components in the engine bay—a loose belt may produce a squeaking noise, a worn bearing can cause a humming sound, and overdue oil changes can make the engine noisier. Tires also play a crucial role; overinflated tires or worn treads can make driving feel like riding on a washboard. Once, I experienced aged door seals that caused such loud wind noise at high speeds that I couldn’t even hear the music. If you notice a sudden increase in noise, don’t delay—get it checked at a repair shop immediately. Safety always comes first.
