While whistling noises in a car are due to several different problems, a vacuum leak is one common reason for this issue. Vacuum leaks also cause the car to run rough and stall. Worn, broken or cracked vacuum hoses are a common source of the leak, according to 2CarPros.com.Know More
The source of the whistle is sometimes an overworked alternator. This electrical component keeps the battery charged and provides power for lights and accessories. High resistance between the alternator and battery increase its workload, causing a noise that varies with engine speed. To stop this noise, car owners should inspect electrical wires and connections. Any corroded connections should be cleaned, and worn wired should be replaced.
Worn fan-belt pulleys make a sound that increases with speed. Worn belts also create a whistling noise. Belts should be inspected for signs or wear and replaced if necessary. Pulleys should be tight with little horizontal movement. Belts should be adjusted to the factory-recommended tension.
Noises that only occur as the car is moving are sometimes due to worn window seals. As the vehicle moves down the road, it forces air through these small openings, resulting in the whistle. Windows that are not fully closed increase the chances of whistling. Any worn seals should be replaced, and windows should be tightly closed. If the noise continues, door seals should be inspected for any small holes that allow air to pass.Learn more about Car Parts & Maintenance
A car making a whining noise indicates that one or more of the belts in the engine is loose. A belt also runs the risk of slipping or not being seated properly. Belt problems are linked to a number of different parts of the engine itself.Full Answer >
Cars make a squealing noise because of worn-out fan belts, low or uneven tire pressure, worn-out brake pads, cracked hoses or low power steering fluid. Most of these noises are indicators of poor maintenance. The services of professional car repair shops are required to stop the squealing noises.Full Answer >
A noise that comes from turning the wheel when going around corners usually comes from some part of the steering component; the steering system may need to be lubricated or replaced. It is important for car owners to have this diagnosed to ensure that the car is running properly and that the driver will not lose control as a result of the steering system being compromised.Full Answer >
The most common reason for popping noises heard while making a turn is a defective or wornout constant velocity joint. The driver might only notice the popping sound while making turns in a specific direction or when the turn is especially tight. The CV joint pivots with the turn of the vehicle's wheels, so a loosening of the joint might only be noticeable when the wheel is turned all the way to the right or left.Full Answer >