When the timing belt is too loose, the result would . Please provide a little more detail into the noise and/or issues you are experiencing. Put the car in drive and once Im half way down the street, the noise is gone. Go to your mechanic, its easy to replace though. Some of these parts may whine all the time, while others are more noticeable during acceleration. Someone told me to check the filter first before I buy anything expensive. Can low transmission fluid cause a whining noise? Thanks again for your questions! If the belt looks good, there could be a leak in the system. Also, the fact that it goes away at higher RPMs makes sense as the higher RPMS will pull the automatic belt tensioner out more. Even with a new idler pulley these glazed areas of the belt could still make the squeaking noise you are hearing. Based on your description it doesnt sound like your problem is a power steering issue as you usually would only hear the whining noise while accelerating or turning the steering wheel, not during braking. 2. A very common cause of your engine's whining on acceleration is an incorrect tension of your timing belt. Hopefully this will help you track down the problem and find an easy solution. The noise you are describing does sound like a whining power steering pump. A whining noise when your car is first turned on may indicate that there is an issue with your timing belt or chain. My 86 f250 makes a squealing noise when I go from a stoplight and when I drove home from work today it was constant but it would stop when I push in the clutch and let off the gas but comes back after I let off the clutch and push the gas. So recently, my car started making this grinding/whining/sawing noise when I start it. Thats what makes the whining noise when accelerating so alarming. 65. Various things ensure absolute intake manifold pressure, such as an intake manifold gasket, idle air control valve, and intake air filter seals. When my car starts whining I get nervous because idk when its going to happen again . Very helpful information. If my pulleys and my belt are all fine and not causing the squealing, then what else could there be? Mar 15, 2012. If you do have a leak, you can add BlueDevil Transmission Sealer to your transmission fluid through the dip stick tube using a small funnel. My husband just replaced the thermostat but now while accelerating the van makes a whining and almost grinding sound. The squeaking noise you are hearing is from the belt slipping on a pulley so as it is slipping and squeaking it is also heating up where it slips and could be glazed or become brittle at that point. With a few exceptions, a noise that occurs when . All my fluids are topped up as well. It has been really cold here so I thought it was weather related but today was the warmest its been in days and it was worse. Or even the belt. Once it is running, the alternator provides all electrical power for the vehicle. If the power steering pump pulley was on too tight it would likely make more of a grinding or whirring noise than a similar whine to what you heard before. Don't worry, we're here to help. Refer to your cars owners manual for proper belt tensioning procedures. It sounds like you are on the right track in diagnosing your problem. It sounds like you are on the right track in getting things fixed and have a good eye seeing the pulley rubbing on the plastic cover. Either way, vacuum leaks or low oil levels could be the most obvious issue. A bad fan clutch noise can be caused due to worn clutch plates or contamination in clutch fluid, or the damaged clutch bearing can cause a whistling noise. Additionally, if there are any warning lights on the vehicle, you should use your code scanner to determine whats going on. It is possible that your problems lies with the bearings in the pump causing the whining youre hearing and as they warm up they quite down. Only Six-Speed Transmission. You can purchase BlueDevil Transmission Sealer here: http://bit.ly/16JIVMM. The symptoms youre describing are a little confusing. Usually noises while idling come from a vacuum leak, belts or bad bearings in engine accessories. Make sure you gather all of the parts needed before you get started. That is RIDICULOUS, Cheryl. The whining noise you are describing seems to be relatively common with your year Focus. Might an issue inside the transmission, but always start with the cheapest and easiest approach. Whats my problem? For more information about how to identify a bad bearing in a pulley, you may check out the article we had previously posted: https://gobdp.com/blog/engine-belts-squeal/. Took it in and of course, didnt make noise there. The sound is more audible at 65 mph decelerating to about 40 mph. And when it doesnt happen when i start it up, almost every time the same squeal noise starts when i put the car into reverse. When Im idling the squeal is barley audible. i have a 1996 jetta 2.0L automatic and it began making a loud whining/squealing noise, at first only when i put it into drive (no noise in reverse), for just a few seconds, getting louder the more i accelerated but stopped after a few seconds and drove fine. Knocking Sound at Idle. When Idling. Made with in Silicon Valley. Is this big of a leak fixable with BlueDevil, or would I be better off replacing the rack and pinion assembly? The torque converter is spinning anytime the engine is running, but is only under load when the car is in gear either forward or reverse. The squealing noise will be hard to miss. Since you hear the noise both on acceleration and braking it sounds more like you have a wheel bearing issue, worn tread on your tires, or part of your drivetrain needs to be lubricated, possibly the u-joints in your drive shaft. Simply slip off the old belt and slip the new one over the pulleys. Automotive noises can stress you out. i have a 2003 ford escape and it is making a whining whistling sound when i accelerate but gets quiet when its idling. This is the most common cause of whistling noises, and its typically harmless, and you can drive around for some time before having repairs. An automatic transmission might be easier, but in recent years manufacturers have started to eliminate dipsticks and fill spouts from the user serviceable hardware. Nice and very polite jamahis. You can usually tell by looking at the belt while the engine is not running. When driving one day I was turning and it felt as if my steering wheel was stuck(hard to turn), so I figured I needed power steering fluid. To help fix your power steering leak you can pick up a bottle of BlueDevil Power Steering Stop Leak available here: http://store.gobdp.com/power-steering-stop-leak-00232/. Do you know what could be the problem? Based on your description it sounds like you should just need to replace your power steering pump, not the line. The noise seems to go away when i accelerate but comes back when i have slowed down below 30kmph. I was wondering if you might know what is the problem? This rust can eventually cause holes in the piping and mufflers allowing exhaust gas to escape which can cause a lot of noise. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. However, this was over a month ago and every time Ive checked the PS fluid level its still full. Diagnosis: Worn-out Clutch. If the stereo is making a whining noise, it is usually caused by a condition known as alternator whine. If you experience a very loud high-pitched whining noise when you accelerate your car, there is a risk that there is a leak from your intake manifold or boost pipes. If your vehicle has a timing belt it could be that belt that is whining. What it could mean: If you've ever heard a loud, screeching, squealing noise from . If the car doesnt make the noise when it is not in gear, chances are it isnt an engine noise. Oh, I need suggestions! The problem certainly does sound like a problem with your power steering system, but it also sounds like the only thing your mechanics havent replaced yet is the power steering pump. You have bearings located on the drive pulleys, running the accessories. This worked to silence the sound for about two days. The hissing sound is caused by equalizing pressure. As you accelerate the car, the serpentine belt tries to run at a faster speed to keep up. Unfortunately this is also extremely hard to diagnose and would have to be done by replacing 1 component at a time. Changed the idler pulleys & it is not that. The first thing you should check after hearing a loud whining noise when accelerating is the engine oil. The most likely culprit is your serpentine belt. From transmission problems to worn out CV joints, brakes, and more, there are a variety of reasons why a Popping noises from the exhaust is something that car owners may occasionally encounter. A damaged throttle body will require replacement, costing about $150. It does it for maybe a minute and then goes away. Adding more weight to your vehicle or driving it harder causes more stress and load on your engine. LEARN MORE. Many automotive noises creep up on you. You could always stop into a certified mechanic to have the car looked at and diagnosed. BMW Makes Noise at Low Speed Id recommend taking it a licensed mechanic for a complete diagnosis. The whining noise you are describing sounds more like a power steering pump problem, usually caused by a low fluid level. My car has 48000 miles. The fact that you are seeing bubbles when adding fluid leads me to believe your power steering fluid level was so low it was pulling air into the system. This can be a common issue with cars having a worn-out clutch or a clutch with bad tuning. This wouldnt cost you more than $30. Usually, a failing torque converter will continue to whine until it completely fails. It dissapears when I just touch the brakes. While you are doing this, make sure you (or your son) turn the steering wheel side to side to free any trapped air and make sure you have fluid in the reservoir the entire time. Erratic RPMs, 1995 BMW 318is. With the engine running, put your foot on the brake and put the car in Reverse. Cars can make these whining noises from 1 of 2 places. 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