[Diagnose & Fix], Bad Ball Joint? I have a 2003 Saab 93 with about 79,000 miles on it. Now, back to the problem at hand. When there is rattling noise under the car when going over Bumpsthe most common cause of this problem is the following. Are there any small but heavy items, such as lug nuts, bolts or tools, that can roll around and make rattling noises? The service desk has told me that the ball joints are good and the struts are good to (no leaking). If there is movement/play, you have a bad, Gently shake the wheel in and out from the 12 and 6 o’clock positions, Sometimes ball joints can feel like they have no play. The right front side of my car rattles terribly when going over bumps in the road, it has got progressively worse over the last few weeks. on June 21, 2016. Comment; Flag; More. If you can make the sway bar without much resistance and there’s excessive play, the sway bar bushings are worn and need to be replaced. Possible Cause (1... One of the crucial maintenance that you must not neglect for your Nissan Navara D40 is the change oil. If you usually hear a rattling noise when driving over bumps, there’s a good chance it could be the sway bar links. If you hear a rattling sound during any of these, it could mean you have a suspension problem which could include: a bad control arm bushing, bad ball joint, bad tie rod, bad strut mount, bad sway bar link, or bad sway bar bushings. In the past I have spent some considerable time and money gradually testing and replacing parts until I eventually found the "bad" one and fixed it. Powered by. Sway bar links tend to rattle or make knocking sounds when driving over bumps. 1 Answer. The idea is that that corner should move, then rebound, but not continue to bounce up and down. Check for Bad Sway Bar Bushings Grab the sway bar and gently rock it up and down. If you drive over bumps and hear a clunking sound, there is a good possibility that something important is wrong with your car. A rear suspension has two main components - shocks and springs. Do you hear clunking, bumping or rattling noises when driving your car or truck over bumps? The mechanic looked at it and said that there were a lot of rocks he took out of the undercarriage (a few times a year we drive down logging roads to visit family). I've been having a problem for the past year where I hear a metallic rattle when going over bumps. If the rattling noise is consistent during this test, it could be from a bad strut. When driving at slow speeds over bumpy terrain, there is a metallic rattling sound coming from the front driver's side wheel well. If you hear a rattling noise, it’s time to replace the sway bar links. When there is rattling noise under the car when going over Bumpsthe most common cause of this problem is the following. it restricts the spring's contraction/expansion). Posted by curhz on Jul 21, 2008. A car's engine that sputters and runs rough wh... Cartech Home All About Auto and Car Troubleshooting Help. In either case, the idea is the same - the spring absorbs irregularities of the road and the shock/strut cartridge keeps the spring from "bouncing" too much (i.e. When there is rattling noise under the car when going over Bumpsthe most common cause of this problem is the following. Clunking noises that happen when you drive your car over bumps could be from the following: Worn or damaged struts. But every time I go over cracks or bumps in the road I hear this rattle coming from the front end. In this video and below, we’ll explain how to test each of these parts to see which is causing a rattling noise when going over bumps. What causes a car to sputter and idle rough? To confirm worn or faulty shocks/strut cartridges do the following - step down on the rear bumper several times to get it bouncing and let off. Can you help. If this vehicle has struts, you can either have the entire strut replaced or, in many cases, you'll be able to simply have the strut cartridges replaced. I hear a rattle under my car when i go over bumps, what could it be? As a Uber driver, these car problems are a nightmare for me, especially when im carrying 4 passengers and driving over the bumps and potholes. Listen for a clunking or rattling noise. Very useful information on knocking noises when driving over speed bumps. (1) Rear shocks or rear strut cartridges are worn or faulty. Solution: First check the contents of each of these storage spaces. Save 50.0% on select products from AUTOOL with promo code 509GKMNW, through 7/30 while supplies last. … On most vehicles, these two components are separate from each other, on others they're part of a unit called a "strut". [Expert Advice to Diagnose & Fix], Got Wheel Wobble? If the car makes loud clunking noises over bumps or potholes, and the exhaust checks out, the suspension is a likely suspect. Is this my shock absorbers or suspension? First, you'll need to determine if this vehicle has shocks or struts in the rear. Have an assistant look at the, You can also test ball joints with adjustable pliers by squeezing them and checking for play, You can also test a ball joint by gently prying up with a pry bar and checking for play. My Fiesta Zetec has developed a metallic sounding rattle when going over bumps. Why? Call a local dealer's service department and ask if the rear struts of the make/model in question have replaceable cartridges. The noise is only noticeable when the car is cold (not exposed to excess sun, ex. The experience is terrible because of the wear and tear on my suspensions, bushes, wishbones and droplinks. This doesnt happen on the driver's side. That's not Normal. Because, with each "thump", certain rear-end components are becoming more damaged most notably the "bushings. Rattling noises that are coming from underneath of your car and the bottom of your vehicle might be especially noticeable to the driver upon first starting the car, while driving at specific speeds, either very high or very low, when you hit a bump or pothole in the road, or even consistently while you are driving down the road. However, embarrassment would be the least of your problems. Posted by gbutler43 on Apr 03, 2009. how to fix rattling noise when accelerating, rattling noise under car when accelerating, rattling noise under car when going over bumps, How to Remove a Lower Ball Joint on an S10 Truck, Have an assistant press down on the car to mimic bouncing, With gloves and without pinching your hands, feel the coil spring or the. The local dealer has checked over the vehicle suspension and nothing is loose. Level 3: An expert who has achieved level 3 by getting 1000 points. i purchased a VW golf gt tdi (if this helps)...when driving on flat roads or round corners its ok, but as soon as i run over any bumps then terrible knocking sound from underneath, what could this be and any suggestions for how much it … Rattle under car going over bumps. The tried-and-true technique for suspension testing is to go to all four corners of the car and “bounce-test” it by pushing down sharply on the body. Test for a Bad or Noisy Wheel Bearing, Front-End Clunking Noise? Do you hear a front end rattle when going over bumps? Do you hear a rattling noise under the car when driving? Anyway, that clearly was not the problem. I checked exhaust and anythin thats loose underneath,still cant find anythin. Test the control arm bushings by nudging the end of the control arm with a pry bar and testing for play. When the car ac is not blowing air from vents it is a sign of a faulty blower fan or air duct blockage. Clicking this will make more experts see the question and we will remind you when it gets answered. The car air conditioner is not blowing cold air but running, no air comes out the ac vents at any blower or fan setting. Unfortunately, finding the cause of a vehicle's quirky noise isn't so easy. The sound does not come when i go over bumps slowly, but when I pass over them at a relatively decent speed I can hear it with my windows rolled down. Car troubleshooting Whenever oil warning lights flicker, the obvious question is, is there enough oil in the engine? If left unattended, a suspension problem could cause significant damage to your vehicle, or worse — it could turn into a major safety hazard, endangering yourself and others on the road. Grab the end of the sway bar link with both hands and wiggle it up and down. Everything works fine but i began paying attention to sounds coming from the car and i notice that when i drive over bumps in the road at around 25 miles per hour a rattling noise comes from the left rear suspension. Your email address will not be published. Many years on, … Not only does it rattle but I can really feel the bump. Listen for a clunking or rattling noise. This results in the loud "thump" you're hearing or sometimes a rattling noise. A knocking sound when going over bumps or turning corners This likely means your worn-out shocks are causing your coil springs to vibrate wildly against your vehicle’s chassis. Curt Downs. The dynamics of a rolling vehicle, the complex nature of modern suspensions, and the way sounds echo through the chassis and body make it hard to pinpoint the location of a … Before explaining this, we'll need some background info on rear suspensions. I have a bmw 318is 1999. Frequently, the suspension system is at fault when you hear a clunk sound. The noise is not continuous, and the rattle seems to stop when braking. I noticed a couple of weeks ago that it rattled sometimes when going over bumps or when I accidentally hit potholes. There should be some movement but no knocking noise. It is accompanied with … Save my name, email, and website in this browser for the next time I comment. If you hear a rattling noise, it’s time to replace the. Rear shocks or rear strut cartridges are worn or faulty. When a vehicle passes quickly over a dip or bumps, the entire weight of the rear end sort of "comes down" on the rear suspension components. In general, there are three possible causes of why the car pulls to the right. When the shocks/strut cartridges are worn or faulty, they can't handle the weight. You Know That Noise When You Are Going Over Bumps? 7 Reasons Why You'll Love The Audi S1. If you drive on a bumpy road, or even if you happen to go over a speed bump, your car might make a quick creaking noise when it goes over the uneven section. It sounds like two tin cans rattling together and seems to be coming from the rear driver underside. The "shock" portion of a strut is often called a "strut cartridge". With the hood open, gently shake the car and observe the strut mount. I keep gettin a metallic rattle from under car. Rattling noises coming from your interior storage spaces will usually be noticeable when you hit a bump or go around a tight corner. It's done it for a while now and it never bothered me, but it's getting more frequent and louder now. Consequently, they're compressed to their maximum or, more loosely, they "bottom out". If you hear a knocking or see significant movement, it’s time to replace the control arm. Plus, who wants to drive an annoying clanking vehicle? Rear shocks or rear strut cartridges are worn or faulty. Whenever I drive over a bump in the road or even a crack repaired with road tar, it feels and sounds like the wheels are going to come through the floor panel. When there is rattling noise under the car when going over Bumpsthe most common cause of this problem is the following. Car Trouble Symptoms When the ignition key is turn ON the car won’t start, no sound at all when trying to start. These hardware kits contain the abutment shims, as well as sometimes the slider pin boots. If so, you likely have an issue with your suspension. Is does not make the noise when I shake the car from the back, and doesn't make the noise when accelerating, only when going over bumps or on rough parts of the road.