When your car makes a chirping sound when you accelerate, it could be due to several different issues. The most common issue is that your belt or serpentine belt is misaligned or worn and needs to be replaced. You can also have other problems occurring with the pulleys, bearings, tensioner, or tires. In some rarer instances, it could be with your brakes or the suspension system of your vehicle. Let’s look at all the things that can cause this annoying noise and how you can fix them.
If it’s just a chirping noise, it could be normal.
If your car is making this sound only when you accelerate and is otherwise running smoothly, there’s a good chance it’s simply the compressor kicking in. This can happen when the air conditioner puts too much strain on the engine, or if your engine is over-voltaged due to an electrical system problem. Since it’s common for your AC compressor to kick in while accelerating, this could very well just be a harmless quirk of your vehicle.
Another possible culprit is one or more of the rubber belts in the engine compartment. As they age and stretch out, they’ll produce a high-pitched chirping sound as they roll across their pulleys, especially if they’re dry and cracking. Their loose fit can also cause them to slip off their pulley slightly, which can create a distinctive squealing sound. In either case, you’ll want to get them replaced by a professional mechanic so you don’t run into any major problems down the line—but there’s no reason to freak out about it!
It might be the pulleys.
When you hear a sound like this, often it’s just the belt system of your car making a noise. Not everyone knows what that is, but it’s kind of the engine part that connects to the crankshaft and pulleys. The explanation for what makes the noise varies by car but in essence there’s some kind of metal piece on the side of it colliding with metal piece on the engine or transmission part. The sound can also be caused by one or more sliding metal pieces contacting metal piece.
Now if you can’t find your repair manual in order to learn how to fix it then no worries as we will show you how to fix this yourself with just a few tools!
It might be the serpentine belt.
So what’s the deal? The serpentine belt is a continuous loop that drives multiple parts of your car, including the alternator, water pump, power steering pump, air conditioning compressor and—in some cars—the air pump. The serpentine belt is made of rubber, so it can wear out over time. (You may have noticed this if you’ve ever seen one lying on the side of the road; it always looks like it was just replaced.) The serpentine belt can also wear out if the tensioner is not working properly or if there’s another problem with one of those components. If you’re lucky and only have a small piece of debris in your wheel-well causing this chirping noise when accelerating, you might be able to grab it with a pair of pliers and pull it out. But sometimes you’ll need to replace the whole thing!
It might be the tires.
There are a couple of potential causes, but rest assured that it’s nothing too dire. If you’re hearing a chirping noise while your car is accelerating, the culprit is likely to be the tires.
Tires can make a chirping noise at various points in driving. You might hear it when you accelerate from a stop, as well as on the freeway or when coming to a stop after high speeds. Some drivers have noticed that their car makes this sound even when idling in neutral; others say it only happens if they’re coasting with their foot off the gas and clutch (if applicable).
If you’re hearing this chirp-chirp-chirp sound for whatever reason, it’s time to take the vehicle in for service. Check whether your tires need to be rotated or replaced; if they do and you don’t address it now, more serious problems could arise later on down the road (literally).
It might be your brakes or suspension.
If your car is making a chirping noise while accelerating, it could possibly be caused by a bad CV joint. While the constant velocity or CV joints aren’t used in every car, some vehicles have them on the front axle and make your car all-wheel drive. If you have a front-wheel drive vehicle, then there should be two CV joints on each side of the axle. The main purpose of these is to transmit power from the transmission to your wheels.
One of the problems with CV joints that can cause chirping noises when you accelerate is that they can wear out over time. If this happens, it will lead to your vehicle losing power and its ability to steer properly. Another problem with having worn out CV joints is that it can cause damage to other parts of your vehicle as well if you continue driving around with them in this state.
If your car has ball joints then you might also hear chirping noises when accelerating or going over bumps in the road due to worn out ball bearings inside these parts which are what allows for movement between different components such as steering knuckles and control arms on some vehicles which act together as one unit during suspension travel so they can pivot up down left right independently from each other while still being connected securely together via various bolts brackets bushings etc.