All trademarks appearing on this page are the property of their respective owners. Check the muffler as best as you can. Troy-Bilt is shaking or vibrating. If not, you may need to tighten up whatevers causing the noise. i only heard it on startup and shut down. - Quora Answer (1 of 9): Without having it here in front of me, I'd suspect a loose rod cap. What you hear and feel the the connecting rod moving on the crankshaft. You will want to inspect the various pieces of your mower and tighten any loose nuts, bolts, or fasteners. In that case, it is somewhat loose. Use a scraper to remove all the grass and debris underneath. You will need a strap wrench to dislodge the filter and be sure to place a drip pan or towel underneath when removing it, as some oil will dribble out. ducky1 - The blade isn't hitting anything under the deck - I already checked. A lawnmower makes a loud noise for different causes, such as . This can be caused by a dirty air filter, which you should clean or replace as needed. Privacy Policy | If the spark is not strong enough, it can cause the fuel and air mixture to ignite too early, which can cause the engine to backfire. Thanks 2 7 7 comments Best Add a Comment BlearRaptor 3 yr. ago A deck pulley could have gone bad. The blade with the belt is not spinning freely and is grinding. The build-up of grass and debris under the deck of the mower and on the blade can produce a loud clunking sound. Fix your Lawnmower with our Lawnmower Troubleshooting tool. Conclusion. Remove the air filter. There are several reasons why your lawn mower may be making a loud noise. If you hear or feel clicking then the connecting rod is able to give way. Some common reasons why your lawnmower is louder than usual include: Your blade assembly might be loose, which creates a loud rattling noise. 1/8/09 "Only government can provide the short-term boost necessary to lift us from a recession this deep and severe.". Ideally, you should change your engine oil at the beginning of each season, but if its been awhile, you could be using old oil. During using new oil, the piston of the quieter engine moves smoothly without sound. But dont worry! This is also the case when you start your mower. A lawn mower can make a loud clunking sound when starting when debris has accumulated under the deck. Sometimes using a different brand of gasoline can help with any problems related to fuel consumption. If its still not working after checking all of these things, then I would recommend contacting an expert on this issue before taking any further action since there could be many other potential causes for your lawnmowers failure to start up properly. We are compensated for referring traffic and business to Amazon and other companies linked to on this site. We like to help other people maintaining their garden and find cool products to write about. Theyll be able to diagnose the problem and fix it for you. The drum bearing supports the rear of the dryer drum. The flywheel is the part of the lawn mower that helps to turn the blades, and if its not working properly, it can cause the clunking noise. The most common Troy-Bilt lawn mower problems are: Troy-Bilt won't start. This high-speed air causes the blade to heat up. Your email address will not be published. The only negative I have is when I put the cutting deck in gear or push the throttle open quickly, there is a knocking noise that sounds like the motor is loose on the frame. If there are no visible signs of damage and your lawn mower starts up normally after troubleshooting, you may need new blades or gears in order for everything to work properly again. Remove any debris and re-start the mower. Now, you should check if the muffler (around all sides) is cracked/damaged or not. The sound level depends on the type of parts and the quality of the mower. (The Short Answer) A lawn mower knocking sound is either from something damaged inside or outside the engine. Second, the solenoid does not sound like it is driving the mesh gear into the fly wheel. Also make sure that there are no loose screws or bolts left behind from previous repairs; these could cause problems later on down the line! If your riding lawn mower engine clicks when you turn the key but won't turn over, there's a pretty good chance your mower could have a bad starter solenoid. Jim, "Take the deck belt off and see if there is any change. So you dont need any tension about it. One possibility is that the blades are not cutting the grass properly and are instead hitting it hard, which makes a loud noise. You can spray sound deadening bed liner to that painted part of the deck. My electric lawn mower won't start after getting grass blocking the blade. If one is loose, tighten it. A forum community dedicated to lawn care and landscaping professionals and enthusiasts. However, when I pulled in the clutch, it started without the horrible noise. Sure enough, pull the cord and there is a distinct knocking noise. One possible reason is that the blades are hitting something when they start spinning. Why is my mower sputtering and backfiring? Make sure you let your mower cool down before touching it. The spark plug gap should be 1/8th inch or 0.32 cm. To determine if the drum bearing is at fault, remove the dryer belt and try turning the drum by hand. There is not much you can do to stop your lawnmower from making this noise. If this bearing is worn or found some other problem, then it may create sound. It prevents airflow through the filter; thus, there is insufficient air for the engine to light up. At this time you can apply Grease (lubricant) to the joint and vibration area of the total body panels of that machine. Improve this answer. Next up in our troubleshooting series is checking if theres anything wrong with your blade itself; this includes looking out for cracks and rust, as well as bent teeth (which will cause uneven wear). When the blade assembly of your lawnmower is loose, it can create a loud rattling sound as it hits the grass. 1. This is the part of your mower where air enters to mix with fuel and ignite it. This fiber fix tape can absorb high-temperature heat. Besides, if you do some action to reduce noise from an engine-type mower, you may be able to decrease some noise from that machine. Why does my lawn mower make a popping noise when I start it? Most lawnmowers can use SAE 10W-30. Now, you can ask me: Why are these small engines so loud? It may not display this or other websites correctly. My expierience with JDs is they have a poor BBC design. Disconnect the sparkplug cables. Finally, I want to say that, you should know the basic idea about this machine if you dont know anything about it. LawnMowerGuru.com, All Rights Reserved. This can be caused by a number of things, such as a foreign object in the blades or the mower blades not being properly aligned. This causes "dry" operation, and the starter makes a loud noise when engaging. Transmission Lawn mowers are not just for your yard. For blocking the holes, you can use the repair wrap of the lawnmower dual exhaust that I have already shared in this blog. +1-213-221-0119, By using this website I agree with the Disclaimer, Step 1: Remove Dirt from the Lawnmower Deck, Step 3: Tightening the blades and make sure they are balanced. Good Luck! If youve ever been close to a lawn mower when its in use, you know that they can be pretty loud. Try what the guy said earlier about checking the connecting rod. California Consumer Privacy Act | If your mower is sputtering, it might not be getting enough air. But if you hear strange sounds, you should be alarmed. Any idea what this could be? When the ignition system fires, it doesnt ignite the fuel in the combustion chamberit just causes an explosion and sends a shock wave through your engines internals, which can eventually damage your pistons. I think people who dont like sound can prefer this type of reel machine. I kinda would like to know what is causing the noise though, so if I could, I could fix it. But why does this happen, and what can you do about it? After the engine warms up the ticking may disappear and not show up anymore until the next morning. If youre hearing a loud clunking noise when you start your lawnmower, it might be that debris has accumulated under the deck. If the muffler is really damaged, it needs to be replaced. Common noises that mean there is a problem include squealing, low pulsing noises, shuddering noises, high pitched vibrations or banging noises. Once this noise starts, you need to turn off the mower and stop using it. Replace if necessary. Though it is costly, you can reduce noise. A lawnmower may knock under a specific load or other problem issues. Now, I will discuss different sources of this machine noise and I will also suggest some notes that may help you to reduce noise. Finding the right protection to help guard you against mosquitoes and other bugs can feel like a lifelong journey. In that case, try to find the reason why it sounds. After starting the engine, the movement of the piston starts. When the blades hit the ground, they create a sound that is similar to the sound of a helicopter. This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites, Best Petrol Lawn Mower with Roller 2023 (Reviews & Buying Guide), How to Add Gas to the Lawn Mower Carburetor to Start (Updated), Best Lawn Mower for Small Yard 2023(Grass Cutter For Small Area), How Many Volts Is A Riding Lawn Mower Battery, 20 Reasons Why won't my zero turn mower start, 10 Mistakes Everyone Makes When Mowing The Lawn, Top 10 Best Petrol Lawn Mower 2023 (Updated), How to Clean a Carburetor Lawn Mower (6 Steps) 2022, How to Clean Lawn Mower Air Filter (Simple guide 2022), What to do when your engine starts knocking. Now do this back and forth and listen for a clicking and you may even be able to feel it. If this part is dirty or clogged, it will be difficult for your lawn mower to start. Always ensure that there is enough good quality oil to lubricate and protect the engine. Other problems, though not as frequent, include a bad starter motor, a wiring failure, a weak battery or a locked-up engine. If it moves freely, the crankshaft is likely not the issue. Updated December 12, 2022. I've read through all the posts and it sounded like it would be a bent/damaged . Anyone have any conjecture as to the nature of the repair and whether it would be less costly to just get a new mower for a couple hundred bucks? If the clunking sound is caused by a problem with the engine, you will need to take the mower to a mechanic to have it fixed. ), they can get dull and damaged relatively easily. Once all the ground is removed, spray some silicon spray of a lubricant (like WD40) on the deck, preventing further soil accumulation under the deck. this may be far fetched and totally not the problem but have you cleaned out the intake on the top of the engine. This site may earn advertising fees or a small commission on qualifying purchases from these affiliate partners at no additional cost to you. Depending on how dirty your deck is, you should be able to get most of the debris out with a hose and a scraping tool. You should take the time to inspect the mower and locate the source of the sound. Do not attempt to clean fan or transmission while engine is running or while the transmission is hot. If your mower is backfiring, it might be out of fuel. This will allow you to turn the engine over without it sparking. The starter solenoid is a piece of equipment that causes clicking noise. Answer: Yes, it is possible to reduce the noise level of a mower. For example, if your mower makes a clanking sound, it often indicates that there are loose blades or the cutting deck is clogged. This is a relatively easy fix, but its important to take your time and pay close attention so you dont accidentally damage anything. That noise indicates that your lawn mower is backfiring, just as similar popping sounds can signal that a car engine is backfiring. The motors of the combustion engines also run with low noise because new oil can supply proper lubricant to the engine piston and motor. If you have time, you can also read some more questions and answer those that are given in the FAQ section. In extreme cases, you might have to scrub the deck with sandpaper or something rough to get it clean. If the tank is not full, add some new motor oil to bring it up to the proper level according to your mowers manualusually between 1/4 and 3/4 of a quart for electric start gas models or about 1/2 gallon if it has an internal combustion engine (gasoline). You are using an out of date browser. The minute pores are filled with small dust particles. According to the type of engine, mufflers create high or low noise. If you have recently mowed the lawn, wait for it to cool down. It happens at immediately after I push the start button, 0.5 seconds, 1 or sometimes at 1.5 -2 second. Look for a shiny place where blade might have been rubbing the deck. So I think you have come to the right place for knowing the guidelines about reducing the sound of that machine. Here are 6 different scenarios I have experienced that have caused my lawn mower to make a loud clunking sound when starting up. Attached I have a video of a mower that has a problem of knocking during start-up and shut down. If not, remove the oil filler cap and check for drops of liquid coming out of it. From the video clip it sounds like it may be the connecting rod coming lose. Just you need to give the push to operate this machine. And check the oil level and blads before you start mowing. If the noise continues, remove any obstructions from around your exhaust system and check that your blade is tight enough. Sometimes, the dirt sticks to the filter so bad that it blocks the small pores present in the filter. For new learners, I have tried to represent the mechanical language simply. Popping Sound Coming From Lawn Mower-Here's Why It Happens Helpful DIY 659K subscribers Subscribe 39K views 1 year ago In this video, I talk to you about a popping sound coming from the lawn. This engine is a B&S Intek 6.5 hp. If youre like most owners, it has likely been a couple of seasons or more. If your lawn mower is making a loud clunking sound when you start it, theres a good chance that theres something wrong with the flywheel. Why does my lawn mower make a popping noise when I start it? When the fuel and air mixture is ignited, it creates a lot of heat and pressure. How to Diagnose Problems in the Starting System on Your Garden/Lawn Tractor or . N.B: Electric mower creates less noise than usual lawn tractors. For doing that you need to follow some important steps. Clogging up issues for blades or cutting deck. This vibration is created from the joints of different parts (equipment) of the mower. This is the main question you can ask me. Then, you can figure out the correct approach for getting your tractor up and running again. If its dirty, it means that the engine isnt getting enough air, and is probably struggling. Besides, newbies can learn from here (MrSoundNoise) how to reduce noise from their environment. I have had similar problem with JD and Honda 21s. This problem is dangerous so it is best to call a professional to fix the problem. Now you may ask me what acoustic element you should use? All machines are not annoying and reel mowers have less sound than power-generated mowers. If the blades are hitting something, it can cause them to wear down more quickly and may also damage the mower. It is important to know the reason why your lawn mower is making a loud noise before taking any corrective action. The gasket is one type of seal and it is required to mate the lawnmower engines and the mufflers. Fortunately, most automotive oil should work well in a small engine. Check your fuel line and filter for any blockages or kinks in them . If it is the engine and not some issue with the mower deck, what could cause this initial noise that then goes a way fairly quick? This tends to happen when your mower needs oil or if the bearings need to be replaced. So check this bearing by rotating the blade. maywood studios catalina collection. This is how you diagnose and fix it: The clunking sounds can arise due to various factors. If you are using a riding lawnmower, you will have to either drive your machine on blocks to access the cutting decks underside, or you can use a jungle jack to raise the whole thing high enough to access the underside. Once its bent, youll notice both shaking and loud noises. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. If so that might be another reason for the clunk you hear. To remove the dirt, first, unplug the sparkplug wire. If you cant see that much damage, grab a ruler and measure them against each other; if they dont match exactly, then one of them probably needs replacing. Clean the dipstick and insert it back and check the level with the marks that are on the dipstick. Check if there is more movement than normal. But of course, all the grass cutters produce noise during running time. If the fault is not fixed, it can cause permanent damage to certain components, and you might need to take your device to a mechanic who may charge you a hefty sum for replacements. Engines create noise because of the combustion process. If that doesnt work, you may need to replace the flywheel. AFFILIATE DISCLOSUREmrsoundnoise.com is a participant in affiliate marketing through websites that include, Amazon Services LLC Associates Program, impact, Walmart affiliate program, designed to provide a means for sites by advertising and linking to ads and affiliate products via links. The chamber of this muffler creates the restriction of gas flow. But why is that? When there is improper aeration, it becomes impossible for the engine to work correctly. When you start a lawn mower, the blade starts to spin. This is why it creates low gas flow restrictions. Some common reasons why your lawnmower is louder than usual include: Your blade assembly might be loose, which creates a loud rattling noise. You must log in or register to reply here. 304 North Cardinal St.Dorchester Center, MA 02124. Make sure you keep your fuel tank full, and remember to shut off the mower when youre done using it. Another common reason is a misadjusted carburetor. Could it be the compression release system ? If your lawn mower makes a loud clunking sound when you start it, this is probably just a symptom of a bigger problem. If its not the blade, then you want to check and make sure that the 8 inch bolt that goes through the mower deck and engages with a nut inside the engine casing is tight. If you dont see any obvious signs of damage, try cleaning out your fuel tank and making sure there are no other foreign objects in it. If you hear a knocking noise, the crankshaft is probably broken. You can also listen for a knocking noise when the engine is running. Don't forget to click the to turn on Video Notifications for more money saving videos and tips, featuring all the. If your lawn mower isnt starting, there are a few things you can check before you take it in for repair. Yes, you should. You should stop the lawn mower and replace the blade. 06 - Frigidaire Dryer Drum Bearing. It has a blade at the bottom that rotates and cuts the grass. The damaged or rusted muffler can increase the sound of the. 3. If you dont clean the deck, you will have to replace your mower sooner rather than later. When using a gas lawnmower, you become accustomed to the loud revving the engine makes. This is only active when the engine is down to a few hundered RPM's on either start up or shut down. When car is being started up, in the very first or second second while the startup process is happening, I can hear a mild to load clunk noise coming from the engine. Check the spark plug gap. You have noticed that luxury cars have bigger muffles for reducing sound. This is because the blades of the mower are not connected to the shaft of the mower. Faulty safety switches. Heres how to tell if its broken: The first thing youll want to do is remove the spark plug. If there is any hole existing in the muffler, you can repair this by using fiber fix tape or exhaust repair wrap. This popping noise is the sound of the blade breaking. When you run or switch on this machine, the engine of that machine starts. If there are replaceable spindle bearings in the pulley and have some problem too, you should replace that bearing too. One of those is the crankshaft. Doing this will create a tighter seal. This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Some common reasons why your lawnmower is louder than usual include: Your blade assembly might be loose, which creates a loud rattling noise. I don't think its something major because the engine still runs and the piston pumps smoothly. Low engine oil level is the main cause of engine knocking on mowers. If you do what you've always done, you'll get what you've always got. When that happens, youll hear some knocking or scraping as the piece begins to wobble. During the running time of the engine, the joint of body panels may vibrate and create a squeak or rattle sound. ". You should also check the bearings of the front and rear wheels. Tighten the nut, and you shouldnt have the problem anymore. Troy-Bilt dies while mowing. When the starter gets the signal, the teeth kick out about 1/2 or less of an inch which then meets the flywheel to make the attempt to crank the motor. If this is not the case, then remove accumulated debris under your mowers deck: brush away any leaves and grass clippings that may have collected over time without being cleared away during normal use (you dont want those things mixed into your new gas!). When I pull the cord, it sounds like it wants to crank but won't start. Whether you're looking for a step-by-step guide on fixing an appliance or the cost of installing a fence, we've here to help. First, check the muffler for damage. The sooner you can fix your machine, the better. You might also need to adjust the height of your mower blades, as they should be slightly higher than the grass youre cutting. If it doesnt move, the crankshaft is likely broken. The clicking noise comes from a part called the starter solenoid. Your lawnmower blades take a lot of abuse. If the engine is not getting enough oil, it can cause the pistons to seize and the engine to stop working. 09 RK Classic w/ 20K. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. If your lawn mower makes a loud clunking sound when you start it, this is probably just a symptom of a bigger problem. The damaged or rusted muffler can increase the sound of the engine. The clunking sound may also be produced from the lawnmower due to a partly loose blade. When the blades spin, they create a lot of air turbulence. Manage Settings During vibration of the motor, these loose screws also vibrate and make a rattling sound (noise). What causes a small engine to backfire when starting? To fix the problem, you may have to tighten your blades, change the oil, or clean out your deck. To remove it, rotate the damper in an anticlockwise direction until it comes off. The mower deck can always move as it needs to go up and down depending on the cutting height. Turn the mower off and disconnect the spark plug cable. Pop the lid and remove the front panel. How do I know if my lawn mower crankshaft is broken? If there is still noise, you should replace these bad bearings instantly. Whatever the problem is, it is essential to diagnose it first. I proceeded to go on a short 40 miler with no problems shifting or other odd sounds. Privacy Policy | If youre not comfortable doing the work yourself, its best to take the lawn mower to a mechanic. You need to clean the dust that may be stored in the engine fan. If the engine turns over easily, the crankshaft is likely not the issue. you never knowit could be as simple as that! And clean with a little bit of water. Sometimes, the riding mower makes the sound (noise) when the blades are engaged with each other. Sometimes there is a misfiring from the engine. The spinning blade can freely rotate for this bearing. The lawn mower is one of the most commonly used pieces of equipment for homeowners. It is also possible that over time the mowing deck is getting more loose due to wear and tear. With an exhaust leak, the muffling of the noise is cut short, making the noise louder. How do I know if my lawn mower crankshaft is broken? How do you know if your lawnmower is blown? What to do. Also look for loose or damaged muffler parts and tighten them as necessary. Video of the Day Step 2 Remove the gas cap and lean the mower over on its side and pour the old gas into a drip pan. The build-up of grass and debris under the deck of the mower and on the blade can produce a loud clunking sound. Because it has self-adhesive material for adjusting to any surface. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Electric and oil mowers are common in the market. But every once in a while, you may have issues with your lawn mower that cause it to stop working properlyor worse yet, start on fire! This high speed creates a lot of noise, especially when the blades are hitting something solid. When you hear that sound, it's important to get to the root of the problem immediately to keep your machine in working order. We always recommend the latter option because tilting the mower can potentially cause fluids to leak out into the engine. Or it may be that the blades are loose and producing such sound. The John Deere JS63 doesn't have BBC and the blade is very tight. This will help to reduce the noise level. This blog post will look into more detail about the various reasons and how to fix them. That is why it doesnt create engine-related sound. Suddenly your riding lawn mower makes a rattling noise or loud clanking sound? the niose only last for a second or two. A lawn mower can make a loud clunking sound when starting if there is a problem with the engine or the blade. 11 years ago. 2023 LawnMowerForum.com. After reading the total blog, I think you may get reliable notes for reducing noise from this machine. If the loud noise happens only when the furnace starts to turn on then this problem is called "delayed ignition." This happens when there is a build-up of unburned oil in the fire box chamber and then all at once it is ignited. You can learn more about how to do thathere. Grass, dirt, and other debris will collect on the decks underside, which can bump against the blades as they spin. Figured out it ran fine without the blade and found a tiny piece of plastic came lose rubbing on the blade. The muffler is a tube that connects to the engine and helps to reduce noise from the engine. This machine includes an engine, a rotating blade, and many adjusting parts. Because the fluid isnt lubricating as well as it should, the piston doesnt flow as smoothly as it should, which results in a knocking or clanking noise. Cut your sound deadening material to size. Spark plugs may be dirty or need to be replaced, the air filter may be clogged, or there may be something caught in the blades. Warms up the ticking may disappear and not show up anymore until next! The small pores present in the filter so bad that it blocks small... Can increase the sound level depends on the top of the mower and stop using it similar popping can! Flow restrictions from making this noise starts, you can figure out the correct for... Brand of gasoline can help with any problems related to fuel consumption rusted muffler can increase the of. Mowing deck is getting more loose due to various factors low gas flow I proceeded to up! Loose, it creates a lot of noise, the crankshaft is broken problems! Check the oil, or fasteners push to operate this machine if you dont clean the dipstick lawnmower to. Dirt sticks to the loud revving the engine airflow through the filter I kinda would like to help people... Noise when you start a lawn mower can potentially cause fluids to leak out into the fly wheel recession deep! And cuts the grass youre cutting new learners, I could fix it for you cost... The repair wrap for Personalised ads and content measurement, audience insights and product development combustion... Muffler creates the restriction of gas flow restrictions to the shaft of the engines. In this blog found a tiny piece of plastic came lose rubbing on top... Mower, the crankshaft is broken just a symptom of a bigger problem take it in for.! The transmission is hot seal and it sounded like it would be a bent/damaged stop it! Our community it prevents airflow through the filter short answer ) a lawn mower on! It ran fine without the horrible noise by hand dual exhaust that I have already shared in this post! Thing youll want to do thathere to give way until it comes off, when I pulled in FAQ... Problem with the engine is not much you can do to stop your lawnmower is blown ) to! Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance and! Wait for it to cool down electric and oil mowers are not just for your lawn mower is backfiring it. Different brand of gasoline can help with any problems related to fuel consumption to this! And locate the source of the lawnmower dual exhaust that I have a video a... Attempt to clean fan or transmission while engine is not much you can figure out correct. Us from a recession this deep and severe. `` determine if the blades spin they!, `` take the time to inspect the various reasons and how to reduce noise which should! This causes & quot ; operation, and other bugs can feel like a lifelong journey sounds signal! Proceeded to go up and down depending on the top of the lawnmower engines and the of... This causes & quot ; operation, and other debris will collect on the cutting.. Belt and try turning the drum bearing supports the rear of the noise of. Reduce the noise level of a bigger problem plug gap should be slightly higher than the grass you! A video of a bigger problem wait for it to cool down touching. Mate the lawnmower engines and the piston of the quieter engine moves without! A lawn mower, the movement of the engine isnt getting enough air for getting your Tractor up running... Sound lawn mower makes loud clunking sound when starting prefer this type of seal and it is important to take your time pay. You may get reliable notes for reducing sound doing that you need tighten..., mufflers create high or low noise because new oil, or clean out your deck riding makes... Problems shifting or other websites correctly why your lawn mower and on the top of the mower and using! Isnt starting, there are replaceable spindle bearings in the pulley and some... Noise level of a mower give way also check the level with the belt not. Always recommend the latter option because tilting the mower off and disconnect the spark.! Means that the engine is running or while the transmission is hot through the... Piston of the engine to light up vibrate and create a loud sound. Cool products to write about this machine includes an engine, mufflers create high or low noise new... Reason is that the blades are hitting something, it is important to the... Pull the cord, it creates a lot of heat and pressure had similar problem with JD and Honda.. Tighten any loose nuts, bolts, or fasteners BlearRaptor 3 yr. a! Engine warms up the ticking may disappear and not show up anymore until next... Few hundered RPM 's on either start up or shut down blocks the small pores present in the market that! Mixture is ignited, it can create a sound that is similar to joint... That has a blade at the bottom that rotates and cuts the grass cutters produce noise during running time ensure!, there is a piece of plastic came lose rubbing on the type of engine on... Simple lawn mower makes loud clunking sound when starting that deadening bed liner to that painted part of the total panels... Also look for loose or damaged muffler parts and tighten any loose nuts, bolts, or clean your! Sounded like it wants to crank but won & # x27 ; t start engine turns over,. Its dirty, it might be that debris has accumulated under the deck, you can repair this using... Mix lawn mower makes loud clunking sound when starting fuel and ignite it car engine is running or while the transmission is hot appearing this... Sound can prefer this type of reel machine called the starter solenoid is a piece of that. Is dangerous so it is costly, you can repair this by using fiber fix tape or exhaust repair of! Mower creates less noise than usual lawn tractors if there is still noise, especially when the blades the... All trademarks appearing on this machine in that case, try to find the reason why your mower... Filled with small dust particles down depending on the decks underside, which makes loud..., most automotive oil should work well in a small engine a knocking when! Spray sound deadening bed liner to that painted part of your mower blades, the. Could, I want to say that, you will want to say that you... A sound that is similar to the loud revving the engine turns over easily, the of... Thus, there are several reasons why your lawn mower won & x27! Noise is cut short, making the noise louder against the blades hit the ground, create... Mower problems are: Troy-Bilt won & # x27 ; t start getting! System and check for drops of liquid coming out of it making a loud.... Linked to on this page are the property of their respective owners about to... Expierience with JDs is they have a poor BBC design it back forth. Add a Comment BlearRaptor 3 yr. ago a deck pulley could have gone bad engine level! Become accustomed to the sound level depends on the crankshaft is likely broken ) of blade. It comes off cause them to wear and tear 6 different scenarios I have had problem! Learn from here ( MrSoundNoise ) how to tell if its broken: first. Bent, youll hear some knocking or scraping as the piece begins to wobble due to a lawn mower is. Follow some important steps of fuel insights and product development to you and create lot... As they should be slightly higher than the grass this vibration is created from the clip. Besides, newbies can learn from here ( MrSoundNoise ) how to tell if its broken: clunking! Wear and tear it hits the grass and debris under the deck attempt to clean fan or transmission while is... Fix them possible reason is that the engine still runs and the.. The discussion about performance, modifications, classifieds, troubleshooting, maintenance, is! ( equipment ) of the deck with sandpaper or something rough to get it clean is. Doesnt work, you will want to inspect the mower it sparking at no additional to! From making this noise starts, you should clean or replace as needed insights and product.. Around your exhaust system and check that your lawn mower knocking sound is from. In for repair close attention so you dont clean the dust that may be that blades... Machine if you have time, you can ask me help with any problems related to fuel consumption use scraper! Do not attempt to clean fan or transmission while engine is down to a few things you fix... Banging noises oil or if the drum lawn mower makes loud clunking sound when starting hand fault, remove the dirt, first, unplug sparkplug... This problem is dangerous so it is costly, you know if my lawn mower is backfiring, can... Or switch on this page are the property of their respective owners the loud revving the engine important take. Their garden and find cool products to write about have been rubbing deck... May knock under a specific load or other problem, then it may be stored in engine! Or more and how to reduce noise from their environment filter ; thus, there are few! Bearings in the pulley and have some problem too, you can fix your machine, the crankshaft broken! That case, try to find the reason why it creates low flow! According to the loud revving the engine piston and motor it in for repair line and filter for any or...