why is my car squealing when i start it

Car troubles are problems that nobody wants to deal with, they usually come up at the worst opportunities and you have to dip into your pockets to solve them almost right away. When youre out of a car youre out of transportation, and if youre currently working (as most of us are) thats a scenario that just wont fly for very long. Squealing noises are actually quite common when it comes to your car, sometimes it can be something very simple and others it can mean youre in need of a major replacement. Most of the time youre better off just heading to a mechanic, but we know how shady some of them can be and it isnt always in the budget. We arent all capable of understanding cars, thats why we have mechanics in the world who dedicated themselves to fixing up automobiles. Even though we might not have the privilege of being able to fix cars ourselves we can still look into the problem, because if we can keep ourselves informed were not going to get screwed over (pardon my French) by any mechanics in the near future. Well go through three popular problems that are the root of squealing noises within a car, and although they might not apply to your vehicle right now they might in the future. Weird noises while youre driving are always going to keep you worried, especially if you have a significantly older car, so you might as well brush up on your mechanical knowledge now before the problem actually happens! You have the ability to help yourself, but youve got to be willing to learn something new if you want to make a difference (and trust me, youre definitely going to want to learn a few things related to fixing your car). Dealing With a Squeal While You Accelerate (Belts) If your car is constantly squealing while youre in the process of accelerating its probably related to you belt.

This goes double if your car is just warming up, and this is actually a problem that occurs in a lot of the colder regions of the planet (Canada would be the perfect example, I happen to live there and this problem happened with my older cars quite often). The car is going to squeal when you turn it on because the belt is either worn or loose, and if the fan belts happen to be worn youre probably going to need to look at the timing belt as well. Some people attribute this squealing noise to the cold, which might have some part to play in it all (in some sort of way it might constrict the belts or something), but this squeal usually means that youre going to have to replace a belt or two. Worn Alternator Bearings If your car has worn out alternator bearings than this could be the root of the problem as well, but this is one of those problems thats going to have you taking a visit to the shop. If you can you should try to find one of your friends whom happens to be handy with vehicles, it seems like everybody has at least one person they can turn to in situations like this. You alternator is a very large component of your car, and if the bearings are worn out and causing your vehicle to screech and squeal you should deal with it as soon as you possibly can. Squealing While You Apply the Brakes Brake problems are going to scare even the boldest of drivers, because you rely on brakes to stop your movement (and you just so happen to be moving incredibly quickly in a box made out of steel). Hearing a screech or a squeal (or even a scrape) while you apply the brakes can mean multiple things, and if its one of the light-hearted squeaks you would hear when theyre applied to wet wheels you neednt worry; that is unless the brakes failed to stop the wheels in the proper amount of time!

If you hear a very loud screech that sounds almost metal-like than youre probably in the market for a brake pad change. When brake pads are worn out youre going to notice, and it isnt really something you should put off fixing. You wouldnt dare drive without working breaks, and going along with worn out brake pads is almost like asking for an accident to occur.
You're driving in cold weather and suddenly notice a loud, high pitch noise or whine from front of the vehicle. What to do? "Squeals almost always are caused by engine belts. It could be the result of old belts that need to be replaced or a problem with the belt adjustment. " So says Tony Molla, vice president of communications at Automotive Service Excellence. He's spent years under the hood of vehicles and training others how to identify odd sounds coming from cars or trucks. "Engine belts should never squeal but sometimes cold weather can bring it out," Molla said. "Either way you should get it investigated. These sounds may indicate a deteriorating serpentine belt, or on older models with multiple drive belts, it may point to loose belts on the air conditioning compressor or power steering pump. " Cold weather can accentuate other potential problems that need attention. Ice accumulation in the wheel well can cause unusual noises, especially if your vehicle has been left outside overnight. Ice also can scrape against wheels, tires and brake discs. Take a look underneath your vehicle, Molla said. Sometimes you might simply be able to knock off ice accumulation. If you hear a regular chirping noise when driving, braking or turning, chances are your vehicle may need new brakes.

Brake pads are designed to alert drivers when they have worn thin by using a small metal piece that pings or "chirps" when it makes contact against the brake disc. "You can save a lot of diagnostics time by telling your mechanic what you hear and when or where the noise occurs," Molla said. You can perform some self-diagnostics to isolate causes. Do you hear the noise when you turn a corner. Do you hear squeaks when you apply the brakes? What sounds do you hear after starting up your vehicle? Bad or loose belts often squeal. This noise usually comes from underneath your car's hood and often is caused by normal wear or a bad tensioner on newer vehicles with a serpentine drive belt. Worn out bushings squeak. Your vehicle is full of bushings, the rubber fittings that help keep metal parts quiet. Bad bushings in the suspension and brake systems typically wear out first, and these can cause leaks when they do. In rare cases squeaks and rattles might also indicate bad motor mounts or ball joints. They also might be caused by brake pads rubbing against the brake assembly or caliper. Worn brake pads can cause chirps and squeaks. The sound is made by a thin metal strand, designed as a warning signal at the bottom of most brake pads. Ice accumulation in snowy areas can create a variety of squeaks and squeals. Look underneath your car and knock off ice carefully, especially around the wheel well and brake system. "You might think a noise indicates something simple but it may actually point to a critical problem," Molla said. "Do some basic inspection and then have your service advisor investigate furtherthe sooner the better. "

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