Diyvehiclerepair
- Why is my car screeching when I start?
- Why is my car whistling when I start?
- Why does my car make a rattling noise when I start it?
- Why does my car make a weird noise when I turn it on?
- Does a bad alternator squeal?
- Why is my car making a high-pitched sound?
- Why am I hearing these high-pitched frequencies?
- Why is my car making noise when I start it and the noise goes away after a few minutes?
- Why does my car rattle on cold start?
- Why does my car squeak when I pull away?
- What does a faulty alternator sound like?
- How do you tell if its your alternator or your battery?
- Is it normal to hear high frequencies?
- How do you cancel high pitch noise?
- Why do I hear electronics?
Why is my car screeching when I start?
Over time, wear and tear can take a toll on the belt and the pulleys, which often results in that high-pitched chirping sounds when you start the car and accelerate. ... A worn belt can, therefore, begin to slip, which is one of the causes the squeal. Alternatively, cracks can cause the belt to snap.
Why is my car whistling when I start?
Vacuum, or more accurately, low pressure, is created inside the intake system of spark ignition engine. ... With the throttle closed, or in deceleration mode, the manifold pressure is very low and if there is a leak anywhere in the induction system that should normally be sealed, you will hear the (very common) whistle.
Why does my car make a rattling noise when I start it?
One common problem that will cause a rattle at idle is a failing hydraulic valve lifter. The lifters are small parts that open and close the engine valves, activated by oil (hydraulic) pressure. ... If you hear a "clack-clack" kind of rattle when you start your car's engine, it could be a sign of piston slap.
Why does my car make a weird noise when I turn it on?
Suspension Joints: Especially when heard at lower speeds, a creaking, clunking, or popping sound could indicate worn out or broken suspension joints. ... Power Steering System: A screeching or whining noise while turning at normal speeds could mean an issue resides within the power steering system itself.
Does a bad alternator squeal?
An alternator's bearings can become worn and create noises, including a squeal. An alternator with worn bearings will likely produce an insufficient charge to operate the engine and charge the battery. ... If noises are heard or the pulley does not turn smoothly, the bearings are worn and the alternator should be replaced.
Why is my car making a high-pitched sound?
Belt noise
If you hear a high-pitched squeal from a car when moving, it is most probably caused by a loose belt in the engine bay. There is a belt in the engine that drives the pulleys that power the auxiliary systems like the power steering, and air-conditioning.
Why am I hearing these high-pitched frequencies?
Tinnitus happens when we consciously hear a sound that does not come from any source outside the body. It is not a disease, but a symptom of an underlying problem. The noise is usually subjective, meaning that only the person who has tinnitus can hear it. The most common form is a steady, high-pitched ringing.
Why is my car making noise when I start it and the noise goes away after a few minutes?
What is this? Piston slap is an extremely common cause of cold start engine noise. ... If the pistons and cylinder bores are set up and machined to the correct specifications and tolerances, the piston slap should not occur. This is one of the reasons why the sound of the slap will go away a short time after starting.
Why does my car rattle on cold start?
Dear Tim: It is not unusual to hear some engine when first starting on a cold start. The sound can either be from a hydraulic valve lifter, or piston-to-cylinder wall clearance. As the engine warms, the clearances change and get tighter and noises will usually disappear. ... The noise may not occur again for weeks.
Why does my car squeak when I pull away?
If the squeaking is due to a belt problem that generally means it's either a worn-out belt, worn-out bearings or a problem with belt tension. A too loose or too tight belt can also cause squeaking and it may be a problem with the tensioner pulley, which provides the right degree of pressure to the belt.
What does a faulty alternator sound like?
If you hear a small rattling or grinding sound when your engine is running, this could be caused by a loose bearing in your alternator. Conversely, if you hear a constant high whine while you are driving, this is usually a sign that your alternator is failing to distribute the necessary power throughout your vehicle.
How do you tell if its your alternator or your battery?
If your engine won't turn over or takes far longer than usual, it's time to grab the jumper cables and attempt a jump-start. If your engine starts and stays running but won't start again later, it's likely a battery problem. If your vehicle immediately stalls, it's probably a bad alternator.
Is it normal to hear high frequencies?
If you hit the key harder, you can produce a much louder sound at the same pitch. Anybody can develop high frequency hearing loss, but it becomes more common with age. Exposure to loud sounds or high frequency sounds are common causes of ear damage in younger people.
How do you cancel high pitch noise?
Noise suppression: Doctors can use electronic devices to cancel out or reduce the noise. These devices can include white noise machines, pillow speakers, hearing aids, masking devices, tinnitus retraining and more. This can help to reduce the noise in your ear, especially when you need to sleep.
Why do I hear electronics?
This sound is electricity itself, but the sound of alternating current moving through wires or appliances. Alternative current (AC) causes fluctuations in magnetic fields, and this causes vibrations. Most of the time, this isn't harmful, and only the higher voltage appliances will create an audible sound.
