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Clunking noise

A dull sound; a thump. To make or move with a clunk. To strike so as to make a dull sound: "Icy weather affected the clock's mechanism and for several hours Big Ben clunked instead of bonged the time changes" Christian Science Monitor. Switch to new thesaurus. Mentioned in?

References in periodicals archive? Once the novelty of the good view and the chance to get an all-over sun tan pre-satellite snoopers wore off, it was all clunking doors and a cannabis smoke-filled lift movement, like an exploding Tardis every five minutes. When the loop of the first two tracks each song needed two tracks for stereo had been played, the playback head of the eight-track machine moved down with a memorable clunking sound to the next two tracks, and so on.

We had one of those! Eight-track cartridges. There are clunking changes of tone, weak direction, a lack of energy in too many of the scenes and some silly choreography. If you are experiencing problems such as clunking or grinding, or have any pain, swelling, discomfort or decreased mobility, you should contact your doctor for initial advice. Trouble with an MOM hip joint?

Family mediation and collaborative law are increasingly being seen as modern and effective dispute-resolution methods, without the clunking delays and uncertainty that the court process can bring. Courts not only option.

You have these plunger valves slamming open or slamming closed, or ball valves clunking full open and clunking full closed," Dr. Rotary valve might make manned space flights to Mars reality. Strange noises like humming, ringing, whining or clunking should be checked out by an auto or transmission repair shop. BBC1, Tuesday, 9pm Pleasures don't come much guiltier than The Deep, where suspension of belief is critical to being able to sit through some of the clunking dialogue.

The Deep. Either your tires will skip on the dry pavement, causing a "hopping" sensation, or you'll hear clunking. Use part-time 4WD only on wet or icy roads.

Four-wheel-drive dunks. The Boy David, he thought was just a lightweight popinjay who could be swept away by his great clunking fist. NEXT week Gordon Brown returns to the political fray with his much-vauntedautumn fightback-but don't expect a knockout blow from the big clunking fist. Brown must face up to his biggest fiscal obstacle - his own reputation; real politik. He says that any loans coasting less than six per cent - like the Skipton two-year deal at 5.

Dictionary browser?A car making a clunking noise could have one or more of a number of problems, including problems with the transmission, exhaust system or wheel bearings. The first step to determining what is causing the sound is to isolate where the sound is coming from. It is also helpful to figure out when the sound occurs. If the car makes a clunking sound when it is put into gear or when the gears are changed, this indicates a potential problem with the transmission.

If the sound occurs when the wheel is turned, the problem is most likely with the wheel bearings. If the clunking sound increases with acceleration, a hole in the exhaust system is one possible cause. When the car makes a clunking sound followed by vibrations during braking at high speeds, have a mechanic conduct a thorough check of the braking system.

If the clunking sound is constant, this makes the cause harder to diagnose. If the sound is accompanied by a change in the alignment of the car, the axle might be bent. In addition, this is a common result of the frame of the car being damaged and rubbing up against other parts near the wheel well. Although it is a fairly uncommon cause, engine knocking can occur from putting low-grade gas in a car.

Home World View. Why Do Car Wheels Squeak?Private water wells can provide a constant, reliable source of good water. Most homes utilize one of two types of pumps in their water-well systems: submersible pumps and above-ground pumps.

Both types don't make much operational noise, but there are times when it may be present. When your water well or its pump emits a clunk, it's typically not a big issue and relatively simple to fix. Water hammer heads the list for common noises associated with well pumps. Caused by water stopping abruptly when closing a water valve or faucet on the plumbing system, the resulting clunk sends a shock wave traveling through the pipes.

The clunk may be subtle or substantial; it may chatter, with smaller repeating clunks, or emerge as a single, loud bang. The noise might seem to emit from the water well or the walls or floor of the well house, because of how it travels. Water hammer can occur on submersible or above-ground systems alike, and can cause damage if the clunking is severe.

The most common culprit -- or the loudest clunk -- usually comes from irrigation valves closing. Another culprit is the shutoff valve on the hot or cold line on the washing machine.

Other valves that can cause water hammer noises at lower decibels are located on dishwashers, toilets or faucets. A water arrester installed on the plumbing line controls water hammer clunks.

Similar to a shock absorber on your car, a pressurized piston inside a cylinder compresses a spring to slow the water down gradually, preventing the noisy clunks. Arresters are placed on plumbing lines at any accessible point, individually on washer lines, on irrigation outlets or wherever needed to cushion the water and prevent it from banging.

You can install smaller, threaded arresters by yourself if you can access the plumbing line. Larger arresters may require cutting and soldering the line and should be done by a professional. Sharp clunking noises may be the result of pipes too near studs in the wall.

Strange Clunking Noise

This type of clunking is more common in plumbing systems with submersible pumps, but may also occur on above-ground systems. Also known as cavitation and caused by air in the pipes, you might hear a brief clunk when the well shuts off or turns on, making pipes bump into the nearest stud or beam. Water arrestors may or may not solve cavitation issues. To prevent pipes hitting studs, pad the pipe where it passes through the wall or close to anything bumps against.

Check and tighten all straps and braces that secure the pipe, including where it passes through walls. Pressure or storage tanks create softer, more subtle clunking sounds with either pump type.

Clunking Noise in My Well Pump

The tank regulates how much pressure the water has when you turn on the faucet, located close to the home or adjacent to the well-head casing. Look for an air-fill valve -- similar to a tire's valve stem -- on top of the water tank.Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM. Average rating from customers who received a Clunking noise when I drive over bumps Inspection.

Learn More. Clunking noises are annoying and potentially dangerous, and should always be investigated. They vary from relatively harmless hubcap rattles to more serious issues with suspension and steering components. Unfortunately, there are many possible sources, and some are hard to locate with the vehicle stationary.

A test drive is nearly always required. Worn shocks and struts often produce noises, and their state of wear should be obvious from a profound lack of damping, allowing noticeable rocking and bouncing motions when the car is moving or a pronounced clunk whenever going over bumps. Engine mounts can wear and allow engine movement — and noise — during power off and on transitions; but not so much over bumps. Steering components, however, can produce noise over bumps, and these can be checked by turning the wheel vigorously from side to side while the car is stationary.

There are rubber bushings fitted at sway-bar and control arm mounts, and these can wear and allow slop and noise to develop.

clunking noise

Since the causes of undercarriage noises are many and varied, and because there may be rust or mechanical damage at the root of this problem, we strongly suggest that you have the car inspected by an expert technician as soon as possible.

With YourMechanic you can skip the auto shop altogether. They send certified and screened mechanics straight to your door and enable you to save big on car repair and maintenance. Clunking noise when you drive over bumps? Get your car inspected at your home or office. Get an upfront price.

Service Area. How A Diagnostic Works Instantly book a certified mobile mechanic to come to you. Mechanic diagnoses the problem and quotes necessary repairs.

Your vehicle is ready to go. Our certified mobile mechanics can come to you now. See availability. Clunking noise when I drive over bumps Inspection Service Clunking noises are annoying and potentially dangerous, and should always be investigated.

Common reasons for this to happen: Worn out struts Worn out strut mounts Worn out control-arm bushing.Forums New posts Search forums Image search. Members Current visitors Supporting Member Upgrade. Log in.

clunking noise

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Clunking Noise When Driving Over Bumps?

Search forums. Image search. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Strange Clunking Noise. Thread starter benny Start date Jan 7, Joined Feb 4, Messages 20 Location Iowa. Ever since I bought my Jeep a few years ago it has had a clunking noise that seems to come from the back end, particularly the back passenger side.

I have laid underneath and yanked on various suspension components shocks, control arms, track bar, etc. I was hoping someone has experienced the noise played in the video below before and could give me any ideas as to what it could be. I will likely replace the control arms soon as they are original. The video is here. Joined Oct 21, Messages Location Florida. Really hard to pinpoint without being there in the Jeep.

I'm really not sure, but your description of the sound is pretty much spot-on with my recent description of a problem.

My issue turned out to be the front driveshaft. The splines for whatever reason gradually worn down, making them tapered on the ends and the shaft's rotation to be more of an oval motion than a circular one.

I never heard the clunking sound from mine until I slowly crossed uneven terrain. This could be a bunch of things. Control arm bushings - can you duplicate the sound on load? I was able to "lerch" forward with my manual to duplicate a rear upper CA bolt not torqued, causing a clunk Swar Bar links - should be able to tell if they are worn visibly. Be careful doing it though. Reactions: bedhed. LieutenantJohnson said:. Lay on the ground AND let you have it in gear.

Only the true friends go that distance. Dilly Dilly Member.One of the most common first indications of a problem with your car is a Clunking Sound heard while driving.

The real problem is finding where is the clunking is coming from and what parts need to be replaced or repaired to cure it. Seriously though if you are the primary driver of your vehicle changed in the way the car is performing including changes in sounds and felt vibrations can be an indication that you need to inspect something before a serious problem occurs.

Actually a motor vehicles test agency performed a study where they removed air from a cars tires in steps and had drivers use the vehicles on a test track. Losing that much air could be significant if you were in an emergency situation. If you can. Does the noise happen when your are stopped with the engine running? If so then you know it is an engine or maybe a transmission problem. Have someone rev the engine while you visually inspect the engine and its accessories.

Does the noise happen when you come to a stop in both forward and reverse?

clunking noise

This would indicate a suspension problem. Does the noise only happen at a specific speed? If so try driving at that speed in a different gear. If the sound does not happen in another gear then it is most likely a transmission problem. If it happens in every gear it could be an axle or bearing in your suspension. Then it is a suspension problem. Does the sound happen while driving in all gears?

Is it a clicking sound that gets faster as you drive? Then it could be your CV Joint in your Axel. Problems with your tires can also cause thumping noises. Worn shocks or springs can cause cup shaped wear patterns that look like someone scooped a spoon of your tire tread out for a snack. Loose engine, suspension and even body parts can cause random sounds at different speeds giving you an impression of much bigger problems.It's the proverbial 20 miles of bad road.

Potholes compete with ruts for the privilege of knocking your Freedom Fries out of the bag and onto the floor.

It's worth it, however, for the great weekend of backwoods hiking and knocking around. Heading back to civilization without the heavy load of refreshment and food seems easier on your car and your freshly relaxed psyche.

Fixing Suspension Clunks And Rattles

At least until you hit the pavement and the rattling starts. Maybe you couldn't hear it on the unpaved road, but every expansion strip on the interstate makes your car sound like a tin can full of bolts. Something's loose in your suspension.

While there's little chance that your car is going to lose something essential while you're going down the road, chassis and suspension noises definitely have to be checked out for safety's sake.

Plus, who wants to drive a vehicle that sounds like it's about to drop to the pavement? If your car has lots of miles on it--or even if it doesn't, but is "chronologically gifted"--don't be surprised if some portion of the heavy metal that supports it over terra firma starts complaining.

Unfortunately, finding the cause of the noise isn't so easy. The dynamics of a rolling vehicle, the complex nature of modern suspensions, and the way sounds can be telegraphed through the chassis and body make it hard to pinpoint the location of a problem. If you hear a clunk when the suspension works over bumps, the probable cause is excessive clearance in a joint due to wear. It might be as simple as a loose strut gland nut, or something more subtle such as a shrunken, dried-out rubber bushing.

As a first step, consult whatever literature you have available to see if you can find a Technical Service Bulletin TSB that pertains to the noise. Apparently, suspension clatter is a popular problem industrywide because it generates quite a few TSBs.

Some of these alert you to redesigned replacement parts, while others say the noise is simply a characteristic of the vehicle and should be accepted as normal.

If no clues are forthcoming, it's time to go hands-on. It'll be helpful if you can get a friend, preferably a hefty one, to assist. For front-end noises, pop the hood, and have your comrade press down on the bumper or fender, then release and lift repeatedly until the suspension is really working.

While he does this, listen carefully and use a good light to examine the upper strut or shock mounts and the control arm joints.


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