Popping sound when accelerating

Was wondering if it is cv joints or trans axel where the sounds were from

My car has 155000 miles.
My car has an automatic transmission.

Experienced mechanics share their insights in answering this question :
Hello,
It sounds what you are describing may be a failing CV joint. When the CV joint becomes damaged or worn, you may hear a clicking, clunking or popping sound coming from this area as the weight of the vehicle puts pressure on this area and shifts back and forth and side to side. I would recommend having an expert from YourMechanic come to your location to diagnose and inspect your CV joints.

How to Identify and Fix Common car Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced mechanics :

One common cause of car popping sounds is a loose exhaust pipe or muffler. If you hear popping when accelerating, it`s likely due to an issue with your fuel mixture or ignition timing. If you hear the popping sound at all times, it could be coming from your suspension or tires.
When an engine is running rich, it has too much fuel and too little air, which slows down the combustion process. When combustion doesn`t happen in a timely manner, the exhaust valve opens while the air-fuel mixture is still igniting, causing this explosion to “spill” out of the cylinder, making a loud popping noise.
When combustion isn`t happening with the right timing, the exhaust valve opens while the air-fuel mixture is still in the process of igniting. The explosion then causes a “spill” out of the cylinder, resulting in a loud popping noise.
If you hear a popping sound from under the hood, it could mean a problem with the spark plugs or spark plug wires, or the fuel filter is clogged and needs replacing. It could also mean an issue with the vehicle`s catalytic converter, part of the exhaust system.
Hydrogen gas makes a small pop explosive sound when burnt.
Hearing a bubbling or gurgling sound means that there`s fluid at work. The most common source of this sound is your coolant system, particularly if you have an expansion tank attached to your radiator. These systems work a little differently than those on other vehicles.
A backfire is caused by a combustion or explosion that occurs when unburnt fuel in the exhaust system is ignited, even if there is no flame in the exhaust pipe itself. Sometimes a flame can be seen when a car backfires, but mostly you will only hear a loud popping noise, followed by loss of power and forward motion.
One of the most common causes of a sputtering engine is an issue with the vehicle`s fuel system—the filter, pump, and injectors. These three critical components work together to ensure fuel flows smoothly from the fuel tank to your engine`s fuel injectors, and then pumps into the engine evenly.
A–The sound you hear is normal and is probably coming from the exhaust system–especially the catalytic converter–which gets very hot and expands as you drive. As things cool and contract, they make snapping, cracking and popping noises.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

A tin metal like rattling sound when I accelerate from a low speed.
ANSWER : Hello. My first inclination would be to say, "torque converter". That is easy to rule in or out as you might be able to get a "free" diagnosis from a transmission shop. I’m not recommending you repair it there but it is not unreasonable to seek advice. The reason for my first inclination is you mention a degradation in acceleration. If the torque converter has an internal fault you could experience poor acceleration along with noise. To rule out obvious simple causes, check the fluid level in the transmission per the instructions in the owner’s manual (follow carefully; otherwise reading will be meaningless). Whether it is the torque converter or another cause (front wheel drive, or engine related for instance), YourMechanic could give you a definitive diagnosis of the rattling sound, after an inspection, and indicate your repair options. Good luck with this.

Car sounds like golf cart when revving and braking; also leaking fluid; sound fades as car warms up
ANSWER : Hello,
There are a number of things that could make an engine noisy when starting up. Depending on the specific type of sound you are referring to, this will determine how to properly diagnose. If there is a bit of a hissing sound, this may be a sign of a vacuum leak. If this is more of a shrieking sound, this may be a sign of a worn out or out of adjustment serpentine belt. If there is a bit of a howling or growling sound, this may be a sign of a worn out or low on fluid power steering pump. A rattling or pinging sound may be caused by an ignition problem. An engine can ping (or knock) due to an improper combustion process. A "spark knock" is the result of combustion occurring too early. Early combustion can occur from carbon buildup inside the combustion chamber, a lean air/fuel mixture, and advanced ignition timing (spark plug firing too soon). A clattering type sound may be a result of improper lubrication in the valve train which could be a more serious problem and should be addressed as soon as possible. I would suggest having an expert from YourMechanic come to your location to diagnose and inspect your vehicle to ensure everything is in proper working order.

My car has a high pitch chirping sound when accelerating. 2010 Subaru Impreza
ANSWER : Hi – your Impreza has a turbocharged engine for enhanced performance. This produces pressurized air for the engine, increasing power. To avoid over-pressurizing the engine, there are boost pressure controls, and a "waste gate" port to vent over-pressure – all electronically controlled. This can produce "chirping-like" noises under acceleration, especially during and after gear changes for manual transmission cars. This is normal behavior, and shouldn’t cause concern. If it seems excessively loud, I would recommend an engine inspection by a mobile, professional mechanic, such as one from YourMechanic, who will come to your location, diagnose this problem, give you an accurate assessment of damage and cost estimate for repairs.

Ticking sound while accelerating and when the car is in gear
ANSWER : There is technical bulletins for your vehicle using aftermarket oil filters. These oil filters may look like they fit your car model, but do not allow the proper oil flow to the motor and can cause noises and internal engine damage. If the noise is only when you are accelerating, you may be hearing the engine preignition, due from a problem with the fuel you are using. I would recommend using only factory authorized oil filter and oil. Change fueling station and stay away from a station if you see the tanker putting fuel in the tanks, since they stir up excess water and you can possibly get it in the fuel you purchase. If you can duplicate the problem, then have a mechanic, such as one from YourMechanic to go on a road test with you to see if the mechanic can diagnose the noises from your engine.

Chizzling sound when start of acceleration, sound goes away after car is on the move.
ANSWER : Hi there. Weird sounds underneath the vehicle are often very difficult to diagnose over the internet. Typically noises in general are caused by loose or damaged components that are rattling as the vehicle is warming up. A certified technician from YourMechanic can come to your car’s location to inspect the noise by test driving the vehicle and experiencing the sound firsthand in order to pinpoint the source.

hissing sound when accelerating – 2014 Volkswagen Tiguan
ANSWER : Hello. The sound you are hearing is most likely a vacuum or intake manifold leak. The vacuum created by the engine is crucial for proper intake of fuel and air, as well as the combustion inside of the chamber. Now the intake manifold for that air coming in and being mixed with the fuel can also make a sound if there is a leak. The vacuum is sucking in the air and any hole or gap will likely make noise during that process. You will want to get this looked at. Depending on the severity of the leak, you will most likely see an increase of power. To have this diagnosed, a certified professional, like one from YourMechanic, can come to your car’s location to inspect the sound and let you know what needs to be repaired.

Why and I hearing whistling or hissing sound when accelerating in my 2005 Pontiac Vibe
ANSWER : Hello. This can be caused by a number of things. If the noise only occurs when accelerating then it may be a failure in the transmission. I would usually get the vehicle in the air and run it while listening for the noise. I have seen the noise come from the bearings inside of the transmission or even a cv axle can cause this. It is also possible that the noise is coming from the exhaust If there is a failure in the catalytic converter then this will also occur. If you are going to have this looked at, consider YourMechanic, as a certified mechanic can come to you to [diagnose where this noise is coming from] https://www.yourmechanic.com/services/car-is-making-a-noise-inspection

Popping sound in the radiator
ANSWER : The noise is the coolant is turning into steam due to low amount of coolant to water concentrations. The ratio should be 50% coolant to 50% distilled water or just purchase a 50/50 coolant that is already mixed. Since you say your engine is not overheating then this is the most likely cause of the popping since these engines may get over waters boiling point of 212 degrees F. Have your coolant replaced if it tests with a low boil point meaning it is not mixed correctly. Once it is drained you may want to replace the thermostat also. This is just in case it is not opening all the way or at the correct temperature. If you need help with either of these issues a certified technician from YourMechanic can come to either your home or place of business to make repairs.