The best cure for a loud compressor is usually a new fridge. Vinyl naturally expands in response to temperature changes. Spray foam is a cell polyurethane substance that expands to cover roof openings or cavities before hardening. But a few species break the mold. Use Window Insulating Spray Foam. Worn bearings. Shift into a forward drive gear and let the engine idle. 5. The animals themselves are much smaller. If using water supply line older than 5 years replace supply line. With poor positioning, baby may have a hard time maintaining a good seal at. ”. Flush the toilet. They are easily trained and intelligent and are commonly seen in zoos and aquariums. Roars are low frequency vocalizations that directly overlap with the low frequency noise associated with vessels. “I was diving off the Farne Islands when I first saw a large male clap underwater. When you remove the straps, make sure you do it carefully. Efforts to understand sound production often focus on sounds generated via apparatuses that specifically evolved to phonate, such as the larynx. Although protected as an endangered species, Hawaiian monk seals remain one of the most endangered of all seal species. 7. anger, rage, or feelings of aggression, including a desire to lash out physically or verbally. The extremely high fat content of the milk helps the pups more than double. Postdoctoral research into vocal learning in animals Grey seals and Common seals are apparently part of a very specific group of animals. On the above chart, you can see the bass (pink) drops significantly, and the higher notes and sounds in your music (green, blue) will sound roughly twice as loud as anything else. Seal sounds - free downloadSeal Sounds - What sounds does a seal make?Make sure the shank washer is placed on fill valve first (it is designed to seal tank from the inside of tank) and install valve. This will almost always be located under the plastic sill that protects the bottom of the door frame. Noise: Clicking while decelerating from 20 miles per hour to a complete stop. Elephant seals make a LOT of noise! Anyone who visits either the Elephant Seal Overlook at Chimney Rock (when the road opens) or Drakes Beach in December will be struck immediately by the racket that raucous male elephant seals make. When a pup makes soft grumbles, yaps, or whimpers while snoozing, it’s not cause for alarm. Worn or failing synchronizer. Ok, now you know why your ducts might be making these sounds. 2. All true seals have short flippers, which they use to move in a caterpillar-like motion on land. Noise can be countable (refering to individual sounds that are noises) or non-countable (refering to a stream of sound with qualities like noise). Harp seals are part of the true seal family. 8% water, with traces of lactose (milk sugar). There’s no need to be concerned about it. Open the door to the desired position and tap the button to hold the door in position. Potential causes of turbo noise include: • Boost/air/vacuum leak – either on your engine intake, or your intercooler. It is entirely possible that the hose simply needs to be reconnected to the machine and/or the mask. Seals and sea lions have just one pup a year. They do make noises that’s for sure, and some of these noises sound to us like laughter, and they do smile, that’s again, pretty clear, it seems like seals like to stretch their mouth and it might look like they’re smiling, or even laughing when they make these funny noises, but again, we don’t have any evidence so we’re going to say. Harp seals' underwater aural skills are undoubtedly impressive, with scopes of over 60,000 Hz. REM sleep is when the brain is most active and vivid dreaming tends to occur. The loud high-frequency noise is able to cut through. Smaller dogs with flat faces or shorted windpipes are the most likely. 1. Worn Crankshaft . Start your engine. What Do Seals Sound Like; What Do Seals Sound Like. “Low Salt” or “Service” alarms: Many. Spending too much time inside the water would incur severe heat loss as the blood loses heat much faster in water than in air. ”. A study conducted by the Cornell Lab of Ornithology's Center for Conservation Bioacoustics (CCB) found that when ambient underwater noise gets too. Harbor seals and others that live in the open oceans would attract killer whales with these loud calls. The harp seal's absence of pinnae is not without a purpose. The most common rabbit noises include humming, thumping, teeth grinding, and growling. If this doesn’t solve. One of the common noises linked to a bad water pump is rattling. 3 Answers. ago. Some of the common solutions to making these noises go away include proper pruning and trimming of your landscape trees. For instance, leopard seals make a living hunting down penguins and even other seals. In the experiment, the seals were exposed to recordings of the nearby Wadden Sea on the Dutch coast over several days, played at three. The culprit here is most likely the bearings. What sound does elephant seals make? Elephant seals are extremely vocal on and close to land whereas their vocal communications under water seem to be limited to a few grunts and clicking sounds. 3) Engine Braking. This means that they must have ways to. They are large ocean-going mammals with adult males weighing up to 3,000 kg and adult females between 300 and 900 kg just prior to giving birth. Oil puddles underneath your car. Common clogged hydraulic filter. I can control these noises, although I find it very difficult to do so most of the time, and I have to make a conscious effort to. Wood frames should receive a fresh coat of paint. Grease is leaking from the bearings. What does seals sound like?To fix this issue, all you need to do is wrap a thin layer of rubber or fabric around the pipe. Starting and stopping slowly and decelerating before turning. The seal pups created a variety of noises, including gasp-like sounds and gurgling noises, as they subtly moved around the camera frame—all while melting. EKW. During warmer months, it also reduces the likelihood that condensation will form on the ducts. This phenomenon can also sound like a loud thud after flushing the toilet. The male seals produce loud calls (153 to 177 dB re 1 μPa at 1 m) for many hours each day. You can also adjust the actuator inside of the duct dampers up or down to reduce the duct noises. Marine Corps Multi-Purpose Canine with 1st Raider Battalion, Marine Corps Forces Special Operations Command prepares to rappel with his dog handler. A typical breath sound is similar to the sound of air. Water condenses at the back of the fridge, where it's colder, and runs down into the drain hole, where it can be evaporated away by the compressor. Male seals use their sounds as a way to establish who will do the most mating in the group of seals, or harem. A good fit can make or break your entire listening experience. Scientists say it. Filmed by Ben Burville. Seals make many sounds both out of the water—like elephant seals, and under water—like harbor seals. Handlers give a sea lion an attachment system it can hold in its mouth and send the mammal overboard. Vocal Communication. It’s perfect for sealing the sides of a double-hung window as well as a sliding window, or on the top and sides. It can also indicate that certain toilet parts are faulty, often involving fill valves, refill tubes, valve seals, toilet flappers, or water supply valves. The eye lacks tear ducts to drain away the tears, which explains why harp seals often appear to be crying. Step 1 - Check the tires. If the noise is disruptive and your refrigerator isn’t hooked up to a water supply, shut the ice maker off to help prevent rattling. Though most interior doors are 1 3/8-inch thick, exterior doors are typically 1 3/4-inch thick. Let’s dive deeper into these six possible failing valve seal symptoms. 1) Lots of Exhaust Smoke. If the rubber material becomes bristle, dries up, or cracks, it’ll allow oil to drip on the floor. The eels, on the other hand, don't make it. The “earless” or “true” seals lack external ears altogether. I hear a switch turning on and off regularly but can’t seem to isolate where it’s coming from. Navy SEAL candidates participate in Basic Underwater Demolition/SEAL (BUD/S) training. Toilets making noise after flushing can be caused by a buildup of debris or a clog in the pipes. Loud Banging. You should detect the rhythmic high sound / low sound / high sound / low sound noise; your AC might even sound like a helicopter. The peeled-off metals will hit on the rotor and produce a thumping noise. Key Takeaways. This can happen due to leakage or salt water entering the bearing. 1. 5 ft long when mature and weigh about 550 lbs; adult males can reach up to 10 ft in body length and weigh about 880 lbs. This is the reason your toilet could be making noise after a few minutes. Refer to the installation instructions for more information about this sound. 5. Signals are complex in frequency, amplitude, and time domain. Put some food color in the toilet tank and wait about 30 minutes. MRI noises can range anywhere from 65 decibels to 130 decibels. Keep your mask cushion clean. But seals do not always sound the way they look. But a porcelain tile being subjected to moisture. To open the chat, either hit the “/” key or press its button in the bottom left on PC or top left on mobile. To test that a bad seal is the problem, grab a couple of towels and wipe up the water. Make [a/some] noise about X can be figuratively used to mean "doing something to gain attention about X" but. The spring in the seal can be the driver for the rhythmic nature of the noise. The Weddell Seal has 34 different kinds of calls and can be heard for more than 15 miles underwater. Tap your AirPods. Do seals make noise? All kinds of seals communicate vocally by making noise with their throat and air. S. Coronado, Calif. The sound may also occur if the dishwasher is run after an extended period of time without any use. It sounds sort of like they are trying to vomit while also coughing. HandyAndy - Really. Start by checking your transmission fluid level and condition on the dipstick. This causes the ignitor to repeatedly try to ignite the gas, causing the clicking noise. In nearly every motorcycle available today, the front wheel is held on by an axle that’s connected to the fork. Do elephant seals…It can squeak or make other noises when it rubs against the strike plate. The reasons why hard-drives make clicking sound are often the same, regardless of the size or capacity of the drives. These can sometimes cause loud popping noises when handling the hot coolant in them. You should be able to complete this with a pair of plyers. If you live in an environment with heavy noise pollution, such as honking car horns, wailing sirens, or music blasting from next door, utilizing. Tighten the mounting bolts or replace the mounts as necessary. That’s because there’s more space for air to escape (this is also a recipe for a shart attack). Just leave the jar on the counter. The actual vocalizations depend on the species of the seal and the context in which they are made. Why do elephant seals make noise?Males establish dominance to determine who does the majority of the mating in a harem. . Mr. Signals are complex in frequency, amplitude, and time domain. The mating system of harp seals is much disputed and they been described as monogamous, polygynous, and polyandrous. If yours is screwed down then remove the screws. Popping French Doors - sounds as if there is a thermal expansion and contraction source of noise. Ignore the popping sound, or you can even watch them and see lids going up and down. Make sure the window has a long and comprehensive warranty. The “pop” is just not enough to ensure food safety. They do this to ward off trespassing seals. Soft noises while asleep. California sea lions are “eared seals” native to the West Coast of North America. Secondly, sea lions have small flaps for outer ears. Even if you don't hear any noises, apply the next steps. Better humidity control. In captivity, seals have been recorded underwater making rapid, pulsed sounds (or “ clicks ”) emitted at rates of 70-80 pulses/sec (similar to the buzz produced by some odontocetes ). 1. A farting or whistling sound may be heard in the night (other than from your bed partner!). S. howling. Inside the wheel bearing is a tremendous amount of grease that. The military's so-called Multi-Purpose Canines are specially selected and trained to. The good news is that when your toilet makes noises after flushing, the cause is usually easy. It can also indicate that certain toilet parts are faulty, often involving fill valves, refill tubes, valve seals, toilet flappers, or water supply valves. Scientists have recently started to use the sounds harbor seals make during mating season to identify and track them. The most common sources of manual transmission noises include: Low fluid level. If the seals dry or wear out, they will leak fluid from the axle shafts. During the REM state, a baby may be moving in conjunction with their dreams or simply due to the activity happening in. Borborygmi describes the sounds that come from your gastrointestinal (GI) tract (the pathway from your mouth to your anus). 1. Often, rattling, groaning, or knocking noises come from an AC compressor or other system component with loose or damaged mounts. Click “ Yes ” if a windows prompt pops up. Add two quarts of water to the bottom of the tub and the noise should go away. An easy way to diagnose if the rubber seal is at fault is by touching it. This is not a maybe, it’s guaranteed. 2. These devices control the pressure waves, thus mitigating the negative. Hawaiian monk seals vocalize throughout their life. One of the most distinctive sounds that seals make is barking. A point of contact or seal exists between the CPAP device and your face, and if it’s not correctly connected, leakage will occur. An easy way to diagnose if the rubber seal is at fault is by touching it. Hawaiian monk seals are also known to make a more growling “wup” sound – sometimes brief, sometimes drawn out (like that of the second vocalization made by the adult male seal while ascending from a dive) –. Put an ear down near to the baseboard heaters (but not so near you singe hair or burn skin) and check to see where the noise is coming from. A well-fitting CPAP mask should provide a comfortable fit and a secure seal that doesn’t let air escape. A larger animal will sound lower because the larynx is longer: the air-filled canal in the neck where the vocal cords are located. For the most part, however, dogs use the following sounds to express a pretty wide array of meanings: barking. This is because the blood needs to flow closer to the surface of the skin to promote hair growth. 94 decibels: Food processor or blender. "But if we do not know a behaviour exists, we cannot easily. So why do they make these sounds? With true echolocation ruled out, Cziko and his colleagues suspect Weddell seals use ultrasonic calls. The U. Yes, sea lions can make noise underwater. Seals differ from sea lions (eared seals) in a number of ways, including having shorter, stouter flippers, and no visible earflaps. SEALs are the maritime component of U. Door Seals. Seal sounds - free downloadSeal Sounds - What sounds does a seal make?114 30K views 7 years ago Have you ever wondered what a seal sounds like? After viewing this informative video, you'll wonder no longer! Enjoy being educated. When the axle shaft seal fails, gear oil or transmission fluid may leak from the transmission or differential. hooded seal, (Cystophora cristata), large grayish seal with dark spots that is found in open waters of the North Atlantic and Arctic oceans. Here is my attempt to define electrical noise from the perspective of circuit design: Noise is a generic word that refers to variations in voltage or current that are often random, usually of relatively low amplitude, and always undesirable. Found in the Antarctic, the Weddell seal’s complex descending sweeps and chirping calls are produced by the males during breeding season, evidence that this vocalization probably has something to do with courtship,. The speakers played a male leopard seal song, recorded far. Make Sure Your CPAP Mask Fits. Bearings are mounted on the motor to reduce friction as the motor shaft spins. Scientists believe bull seals make the noise underwater to deter competitors during the mating season, with the loud high-frequency sound sending a strong message to other males in the vicinity. Harbor seals have short, dog-like snouts. Molting on land or at sea. Amazing video captured by a marine biologist after 17 years of waiting shows breeding grey seals clapping at each other underwater to warn off competitors and attract mates. In addition to the noise,. Copy. This means that they must have ways to. Hearing CPAP noise when inhaling can be indicative of a leak. This sound can from a faucet anywhere in your house, kitchen, bathroom, utility room, and even outdoor. Pups' sheep-like cries are individually distinctive to their mothers. You can also manually control your fans, replace noisy and inefficient coolers, or swap out clicky hard drives for silent solid-state drives instead. Leaks coming from under the tank onto the toilet bowl: These leaks indicate failed bolt seals. Hand tighten the fill valve lock nut. The Chat is a feature that is built into every Roblox game unless the developer has disabled it, and is used to communicate with other players in-game. The “fork” is the suspension at the front of a motorcycle. Thumping/Drumming/Rocking. Spray foam hardens and dries when applied to sneaky gaps or holes in windows, making it an ideal way to seal cracks responsible for sound pollution. When you flush the toilet, it opens a valve to allow more water in. One of the most effective ways to reduce noises coming from the ceiling is through spray foam insulation. Depending on the location of the seal and the severity of the leak, a bad seal may. It will also seal the openings within the. Whistling – wind. If the dryer is squeaking from the bottom, there may be a problem with the idler pulley. A smiling baby seal. Tap the More Info button next to your AirPods in the list of devices. Southern elephant seals are named after the large proboscis (nose) of the adult males, which is used to make loud roaring sounds, especially during the mating season. . Ignore the popping sound, or you can even watch them and see lids going up and down. The words can be used as verbs or interjections in addition to nouns, and many of them are also specifically onomatopoeic. At first, the cacophony sounds like a random assortment of. Air in The System. Get all the repair tips on a rowdy refrigerator. To isolate your bottom bracket, stand next to your bike, grab both of your brakes, and put your foot on the pedal closest to you. Wrapping your ducts in insulation should solve your “cold winter morning” heating duct popping noise. They prefer to frequent familiar resting sites. Air Conditioner Making Pulsating Noise (Vibrations) Hearing a pulsating noise from your air conditioner is worth a note. The pups also kept a more steady pitch with the more intense noise levels. However, it may also be down to the recirculation fan getting iced up or a bearing in the fan having worn out. 1. Noisy water pipes are caused by suddenly turning off water to a for faucet or valve, forcing the water to slam against the valve. feelings of annoyance, irritation, and disgust. In addition to growling, foxes can also make a guttural sound in the back of their throat called "clicketing," which generally happens during the mating season, Harris said. Damaged Read/Write Heads; The read/write heads are integral components of your hard drive, so it doesn't take a genius to know once they cease to function, problems abound. The cause of the rattling may be as simple as the sides or back of the fridge touching another surface like a wall or cabinet. These issues can also make the transfer case emit noise or the truck's steering bind in turns. What sound does an elephant seal make? Elephant seals are extremely vocal on and close to land whereas their vocal communications under water seem to be limited to a few grunts and clicking sounds. According to the Autism Society,. This should help if the squeak is a result of dry or rusted metal. Seal-inspired Headphones: External Ear Flaps Amplify Sound. Lift the front end of the car with a jack. Excessive popping and backfiring could mean a blown exhaust. . As a result, allowing residual engine crankcase pressure, to force oil past the seal and out from the engine. Cause 5: Bad Bearings in the Motor. The male calls can be split into two categories: vocalizing and silencing,. It’s what holds the fill valve in place. Go on with your day, checking periodically to see if the water has returned. They installed a fiberglass killer whale that bellows predatory calls and used a device known as a pinger to try to scare the pinnipeds away. 1:16The best way to prevent a broken seal is proper maintenance. Like seal claps, those chest beats carry two messages: I am strong, stay away; and I am strong, my genes are good. This does not mean they are injured. The whining noise you are describing sounds more like a power steering pump problem, usually caused by a low fluid level. When your transmission slams into gear it can be a sign of abnormal pressures, worn components or even a low fluid level. Usually, if your car is making crunching, clicking, or humming and grinding noises at higher speeds indicates problems with bearings, CV joints or differentials. Underwater sounds described as low frequency clicks, growls, knocks, and roars have been recorded for the species. nervousness or uneasiness in situations that could. , (Apr. . One common and earliest front axle seal leak symptom is oil puddles underneath the front of the vehicle. 1. The ice around the fan can cause the humming sound to stop when the doors are shut, but that is rare. A din from. Expected sounds. Males first create a low-frequency sound with a guttural noise. Others, like the harp seal, will have their babies directly on icebergs. There was no water in the pool, to avoid the water noise. Why Do Seals Make Noises? All types of seals use their throat and air to produce noises to communicate vocally. It is surprising how much noise will pass through a badly sealed outer frame. It is worse when a child is lying on their back. With time, you’ll also learn to differentiate other subtle sounds that rabbits make depending on their mood. And there, on a rock exposed by the low tide, were a couple of dozen seals. Bugs & animals in the trees. Just spray some onto a bit of cotton wool and rub around the problem areas. 1,036 8 10. This noise will be much louder if you remove the valve cover. Although protected as an endangered species, Hawaiian monk seals remain one of the most endangered of all seal species. A noisy water faucet can mean a part in the water supply system is vibrating. Copy. Worn-out bearings are the. To hold a storm door open with a standard closer, open the door to the desired position and slide the hold open washer until it rests against the closer. A U. Another pressure in the Baltic Sea is undoubtedly underwater noise associated with human activities, which can be divided into two categories: continuous and impulsive. If your truck is pulsating or shudders in a straight line, you could have unequal tire pressures, unequal tire wear, or unmatched tire and wheel size. A water hammer arrestor is relatively easy to install and will take care of the sound instantly. We explained earlier that the common function of axle seal is to prevent oil leaks from the tranny and diff. These figures may vary among individuals and may fluctuate throughout the nursing period. ”. Weddell seals send out long, low whistles underwater at very high decibel levels, and harbor seals make quiet calls. A ResMed CPAP machine is most likely making noise (s) because of leaking air. Display Behavior. Yeah I'm talking about seals! Lol Hehe your funny, underwater basket weaving is great, me and the seals do it for profit. It is worse when a child. However, while mammals mostly perceive sounds via one organ, the ear, they. 1. What noise do seals make? Adult female gray seals are about 7. Cause: Worn carrier case-side gear bores. Remove the toilet tank lid and place it. 2) Excessive Oil Use. The tiny holes on the sides of a seal’s sleek head must be seen extremely closely. Seals live on average for 25 - 30 years, females usually live longer than males. Your wheel bearing’s grease is truly one of the most vital aspects of ensuring that your wheel bearing will last for as long as possible. Instead, blow air at the fan at an angle, blowing the dust away from the fan grates. If a clicking noise is from a rodent, it could be caused by the nails of a squirrel. Crogfrog. They wanted to know if the seals — identified as males by their cartoonish faces with trunk-like noses — make noises as they swim out to sea in search of food. ”. Turn off the pump to protect it. On a car, a wheel bearing rides on a metal axle shaft and fits tightly inside the hub, which is a hollow chunk of metal. Press and hold the setup button on the case until the LED flashes white. Follow these steps in order to fix the problem: Press “ Windows key + R ” then type “ regedit ” to open the registry editor. Avoid blowing the dust directly back into the computer, which could aggravate the fan noise problem in the future. Misfires are a bit more subtle and produce popping noise from the exhaust. I think seals make sounds like any other human would, just through a snorkel. Some are white or light gray to silver with dark spots, while. " For example, a harbor seal’s pelvic bones are fused, preventing them from moving their hind flippers under their pelvis to walk on land. 4. Sealing leaks and adding insulation can improve the overall comfort of your home and help to fix many of these common problems: Reduced noise from outside. As the seals heard a speaker play a 45-minute recording consisting of high noise, low noise or no playback over several days, they spontaneously called out. The sound made by harpseals (cubs) is more of a vocial vibration or squeek, the sound coming from adult harpseals is more of a grunt sound as if to say "leave me. Leakage can indicate worn-out or blown seals that can cause malfunctions with pumps, motors and control valves. This is commonly associated with sea lions, which are a type of seal that. To the contrary, one of the more common issues we have heard of through our technical call center is directly related to squeaking, popping, and crunching noises in installed engineered wood floors. Drywall. The animals themselves are much smaller. Seals have small flippers, wriggle on their bellies on land, and lack visible ear flaps. Step 5: Insert the plug into the window. Screeching. This causes a gap, and the gap creates noise. Fuel pumps, especially electrical ones, tend to make a clicking sound when it starts. Do an internet search for “clapping seal” and you’ll get a lot of hits. This rust will make the dust shield peel off every time you apply brakes. The first phase is a distinctive low-frequency, guttural vocalization. David Hocking, Felix Marx and Ben Burville. The first sign of a bad toilet ring is water forming around the base of the toilet. Listen to the heart-breaking seal pup sound below! How pups or baby seals communicate? Seals communicate vocally by making noise with their throat and air. Yeah I'm talking about seals! Lol Hehe your funny, underwater basket weaving is great, me and the seals do. Loud Siren Noise. Dr Ben Burville, a researcher at the University of Newcastle, has been diving with grey seals off the north-eastern coast of England for decades, observing and filming their behaviour. Unsurprisingly, Hoover’s remarkable ability to mimic human speech made him a hit—and people from all over flocked to Massachusetts to visit and converse with the world’s one and only. So the carcinogens build up in their blubber. The actual vocalizations depend on the species of the seal and the context in which they are made. The problem: If you’ve got a well for your water, you’ve got a well pump. Handyandy Screwfix Select. Haaaaaaaaaaa… Why do Seals laugh so much? They are just happy animals. 2017 г. #6. Animals that, just like. With the exception of thumping, all of these are soft and difficult to hear. Door thickness. Underwater sounds described as low frequency clicks, growls, knocks, and roars have been recorded for the species. When the seal isn’t working correctly, the oil can escape from within the crankcase. Hawaiian Monk Seals are true seals and belong to the family Phocidae. Noise timing: make a careful observation of when noises occur in relation to building occupancy, use, time of day, weather, sun exposure, and operation of mechanical systems & devices. So why do they make these sounds? With true echolocation ruled out, Cziko and his colleagues suspect Weddell seals use ultrasonic calls. A study conducted by the Cornell Lab of Ornithology’s Center for Conservation Bioacoustics (CCB) found that when ambient underwater noise gets too loud, the bearded seals are no longer able to compensate in order to be heard. Arguably, one of the most satisfying feelings that define luxury over economy is the sound of a closing door. The idler pulley may have lost traction and need to be replaced. Following are a few of the more common causes of squeaking, popping, and crunching noises in installed engineered wood floors. 5) Cold Engine Test. Gray seals produce sounds in air and underwater. Hawaiian monk seals vocalize throughout their life. If this noise persists for more than 30 mins-1 hr then I would schedule an appt with your vet to get an exam done for further confirmation. 5". The $199 Pixel Buds Pro are Google’s first wireless earbuds with active noise cancellation. This noise may not be as bad as the other air conditioner noises, but it definitely suggests that something is wrong. Water hammer is the loud banging or “pipe-rattling” sound you hear when you open a faucet, run the water, and quickly close the faucet. Squealing tire suspects include under-inflated tires, improperly aligned tires (causing one tire to drag across the surface of the road), and fast stops and starts. Special Forces and are trained. A growing body of research suggests that people tend to make a range of judgments based on nothing but the sound of a word or name. The second way to keep your Siemens fridge door from being hard to open is to consider running it at a slightly higher temperature. The range, pitch, and variety of these noises, however, are all vast. Pinging.