It is taken a few pulls now to start and just sounds like something is loose. Replaced spark plug, air filter, still won't start (needed it anyhow) Prime or no prime, similar behavior. Possible cause 2: There is oil inside of the . Suzanne S. Wiley is an editor and writer in Southern California. Examine the air filter under sufficient light. The most common cause of a lawnmower's smoking is too much engine oil. LawnMowerGuru.com, All Rights Reserved. It is dripping from within the mower, so that leaves a limited number of options. It causes frequent smoke from exhaust and also damages exhaust. I disengaged the brake and now they are locked up. And is that any indication of the problem I am having starting it? Checking the coolant level before each use will help prevent emergencies from happening too soon! This video by Repair Clinic is a step-by-step tutorial. Proponents of the sledgehammer repair all seem to dismiss the danger element. There were only a couple left in my local store, so from the website,I reserved one for pickup. Sorry, I am not sure how to explain the sound. ii. When you feel the blade starting to turn, spin it a few. But the possibility of a lawnmower blade embedding itself in my shin bone after the shaft breaking was enough to persuademe to err on the side of caution. Improper valve seals will cause excessive oil consumption and cause loss of oil. If you have incredibly steep locations, try and see if you cant use a weed wacker for those. The best way to unclog fuel injectors to avoid smoking and oil leakage is the ultrasonic way of cleaning injectors. The best way to avoid this is to hose off your cutting deck after each use. These are the potential causes: Blown head gasket Excessive oil usage Engine Oil rings The Lawnmower was Tilted or used at an angle Crankcase leaks Some smoke from a lawnmower is not uncommon, particularly if it is older. If you have less than a full tank, the air space in the fuel tank will allow more oxygen to enter the fuel system. After running all summer continuously, ensure an annual review is done on time. You'll need to change the engine oil, spark plug, and air filter for push mowers. When your lawnmower is leaking or smoking, What causes smoke to come out of the exhaust? While there is nothing to repair, oil can get everywhere if you have your mower too full. If the blade got bent it will probably shake like a hula dancer. She handed me a flyer for a shop they recommend hmmm maybe Sears no longer does lawnmower repairs in-house after all but it was Sunday and that shop, and other repair shops like it, were closed. If you're looking for repairs on Honda, MTD, Ariens, Husqvarna, Murray, Weedeater, Toro, Troy-bilt, Echo, Stihl, Craftsman, Mastercraft, Bolens, Brute, Firman, Generac, John Deere, Poulan Pro, Homelite, Canadiana, Noma, Remington, Powermore, Tecumseh, Briggs and Stratton, Kohler, Yardworks, Yardman, Yard Machines, etc, this is the channel for you. Place a measure under the blades tips and see if the tips pass around at the exact same height. Spray a generous amount of spray lubricant or penetrating oil into the spark plug hole, and wait for 10 minutes before rocking the blade. Searching for and removing rocks before mowing your lawn is mandatory if you want to avoid large repair. If you're unsure of how to properly straighten a lawn mower blade, contact us, and we'll be happy to help. The tone dropped from tenor to bass. Lets have a brief look at the smoke color along with its reasons, which helps you to diagnose the impact according to the intensity. While your mower will get the job done a lot faster than you could, this is not a very cost-effective method. Were here with solutions for fixing leaky oiled engines and preventing future problems with long-lasting fixes! Seals can be a bit more complicated, but they are relatively simple. watching the video the engine seems to be turning fast as no compression so check for compression. Sharpen as needed and keep them both tightly fastened. 7. I ended up on the Lowes website, saw that they had a lawnmower on sale for $100 off. Still, the three listed above are what typically happens when you find oil on the deck. 7 Steps to Follow to Troubleshoot a Lawn Mower Issue: Step 1- Pull off the Cover First, you pull the two screws that hold the cover. Head gasket failure is the result of engine overheating, make sure that your engine is in good condition, and its cooling system is working correctly. When this happens, the belt that turns the blades will not have the proper tension and will likely keep flying off until the deck has been restored to proper working order. Let's just hope you didn't have one of those that bent. Also, be sure to take breaks if you're operating any equipment for an extended period. the $50 mower by speedy - 28/02/23 05:02 PM Old G40 Rebuild by Dugg_Bobcat - 24/02/23 03:37 PM Secondhand Front Roller Wanted by Dugg_Bobcat - 23/02/23 07:04 PM Vintage Victa Microfiche Parts Lists by maxwestern - 22/02/23 07:37 PM Honda GXV160 giving slight dark smoke puff when revving? It includes tipping your lawnmower on the wrong side. The leak will slow as the mower cools. That's right, people. A Toro lawn mower spitting oil can be a cause for concern, as it can indicate an issue with the engine. I replaced the flywheel key because it got broken when it hit the pipe. With both vented caps and carbon filtered caps it is important to drain the gas before tilting the mower. Ensure that all the belts are properly aligned - check for wear and tear after 2, 4 and 8 hours. I thought taking the lawnmower apart to get to the flywheel assembly was going to be difficult, but it was actually relatively easy. I thought about taking the blade off and putting it back on, which is about the only thing I might be able to do on my own. Common Machine Problems for John Deere X350 Lawn Tractor. Because of this, it is incredibly easy to get overwhelmed by them. 4. If your lawn mower is leaking oil after hitting a stump, it could be a sign that the oil filter or seal has been damaged. Remember to lube all grease fittings, level the mower deck, and sharpen and balance the blades. The cylinder head allows the air and fuel to flow inside the cylinder and at the same time, it allows the exhaust gases to flow out of it, which results in the lawn mower smoking and leaking oil from the exhaust. It is also possible that the blade itself got bent. Also if the brake had different sets for the speed control move it all the up if not already. Add an oil stop-leak additive to the oil filter tube of the engine for a temporary fix and extended life. We want your property (whether new or old) to look its best at all times. Cleaning the deck will also help keep your cutting blades sharper for longer. Now you can tilt it up with the carb side high to check for a bent crankshaft. By taking these simple steps, you'll extend the life of your lawn mower and have a more attractive lawn too! It is not covered unless it is related to a defect in material or workmanship. You may need to use your lawn mowers model number to find replacement parts. A lot of times this can be fixed with a head gasket or new set of valves. This clogging leads directly toward an overworked motor which is dangerous for yourself and those around you! So that the fuel system can perform properly according to its particular pressure range. After I got it started again, the motor tone was lower, gruffer, and the mower vibrates more. Comment *document.getElementById("comment").setAttribute( "id", "aa98b3c441f6f05c7c4c8e42c27be255" );document.getElementById("eb2e5d3a32").setAttribute( "id", "comment" ); I may also earn commissions from purchases made through other links on this website. When the key shears it changes the timing so it will not start. Below, we look at some common Bad Boy . Grasp and pull on the regulator to ensure that it is well seated. When your lawn mower leaks oil onto your deck, you can overwhelm yourself quickly, thinking of all the potential places that could be leaking. A reasonable amount of vibration but it now works ok. Take of the replacement blade and 2 more whacks with the sledge, then put back the original blade and it works just fine now with no real vibration. Parking brake locked. When valve seals start to wear and fail, they produce some distinct and unusual symptoms; A leaking valve stem seal can contribute to damage and failure in your engine. So, be careful with your blades and keep them in good condition. For the purposes of this story, little problem means tree stump. The lawnmower screeched to an abrupt halt as I cursed my own stupidity for hitting an obstacle that I have been successfully avoiding for years. It works great but I discovered an oil leak. JavaScript is disabled. It can affect the engine and its parts in several ways; If you have seen any of the symptoms or causes in your lawnmower, then we are providing you with all the possible solutions, that you can follow to avoid cracked engine blocks; Grey smoke is an indication of oil leaking and burning caused by it in the combustion chamber. Air filter compartments can make cozy places for mice to live. This is because hitting something like a rock can damage the mower or cause injury. DONT HIT TREE STUMPS WHILE YOU CUT THE GRASS. If you can smell burning oil or see a loose valve cover gasket, this is another potential location for leaks. The oil leaked from the bottom of the oil fill tube so I replaced the lower "O"-ring which stopped that leak. What has likely happened in your case is that the shaft got bent. If cleaning is not suitable, then try to replace the air filter when you attempt oil changing. If you found that your oil is leaking regardless, it may be related to some bad habits. Prob find your problem lies there. If you found an infected pressure regulator, make sure to replace it. She has been editing since 1989 and began writing in 2009. Any suggestions here? 03:06. the engine turns on but it vibrates in such a way the looks like the shaft might be out of aligment. It will stop after a few minutes. If you have already removed the flywheel at this point, the remainder will be reasonably simple. Replace the leaking seal. Perform regular maintenance of the engine and all connected parts. Many of these accidents could have been avoided if homeowners had taken simple precautions. A. Get the mower to a perfectly flat spot on concrete. January 5, 2016. Often the seals will only leak during and immediately after use. I was able to remove the nut with a standard socket wrench. Sometimes they go from park to like seven or so see that is all the way to seven then try. Check your owners manual and dipstick for further information on the right level of oil. The only difficulty I had was removing the nut that secures the flywheel. You will need to remove any bolts on the top of the valve cover to start the repair process. My mower blade came to a screeching halt on a big tree root and it was shaking like crazy after thatoverheating too. There are many more options for where leaks may occur. White smoke often exhausts when the engine burns the leaked coolant in the combustion chamber. Wish I could be more help. 2 - Deck jumped, belt popped off and pulled wires out, causing clutch not to work. That's why many people invest in riding lawnmowers. The mechanic will be able to identify the root cause of the problem and recommend the appropriate repair. When the oil is leaking on your deck, your first step is to find the source. In order to confirm that you have a bent blade, youll need to take the deck off and inspect it. I was cutting the grass in our back yard with my Craftsman Briggs and Stratton mower when I ran into a little problem. Sort by manufacturer, model, year, price, location, and more. Your email address will not be published. Fuel injectors become clogged due to hydrocarbons present in the fuel. It typically includes the flywheel, which needs a socket wrench and flywheel puller to remove. The oil becomes much less viscous when it has been heated. You will still want to look up the same information using serial numbers and repair processes through the owners manual. So before you fire up your mower, take a minute to think about safety - it could save you or your loved ones from a severe accident. When it does become a problem is when the deck is so damaged that the blade can no longer spin freely. (USDA Plant Hardiness Zones), Why is My Phlox Not Flowering? Linkage out of adjustment. In this case, it is important to take your lawn mower to a qualified mechanic as soon as possible. There are actually three possibilities. Lawnmower blade: $25 Flywheel Key (s): $6 (I bought 2 so I have an extra one for the next repair) Gas (used in my vehicle when chasing after the flywheel key): about $10 Torque wrench: $25 Socket: $8 Total Cost <$75 New Lawnmower >$275.00 Savings: $200 DIY Savings: The parts would have cost the same. If there is a buildup of oil around the seal, or if the seal itself is noticeably worn, the upper bearing ring seal is likely the cause of the oil leak. If you've recently changed the oil in your mower and the engine is emitting white or blue smoke, it's possible that some of the oil . After lifting it off, check to see if the gasket along the side is worn. No one wants to spend an entire Saturday afternoon pushing a mower when they could be doing something else. It leads to continual oil leakage from the exhaust. I dont have an impact wrench so I propped a piece of wood propped between the discharge chute and the blade to stop the blade from spinning. Most shops will have a blade sharpening service that can get them back in top condition in no time. Issues such as hitting a tree stump or rock and bending a power transmission shaft could cost up to a few hundred dollars in repairs. All I would have to do is walk into the store, show my receipt and walk out with a shiny new machine. Once bent, the shaft is weaker, and it might have some microscopic cracks that will worsen over time, resulting in a break that could send the blade flying. Oil leaks from even the smallest gaps easily grow into damages to the lawn mower's engine. As a result, it is pretty standard for oil to leak out onto the floor. Always check on the side of the bottle before assuming that something will work. It has a sealed screw-on cap at one end and connects to the crankcase at the other. The owners manual will take much of the guesswork out of it, but you will need to pry the seal off. After removing the side screw, you can pull off the cover. Check for fuel, oil or carbon deposits on the spark plug. Sure enough, the flywheel key was in two pieces. https://www.youtube.com/watch?v=pfXuw4zy-Bw. Your first step is to see where the leak has originated. Its normal to deal with white smoke during every first-morning start-up. Pull the starter cord with the plug out to get a feel for the severity of the problem and to clear the oil from the combustion chamber. If you're not careful, you could end up with a broken blade that's out of balance and ruins your bearings. Once a head gasket has failed it can lead to other engine issues that can harm the unit in different ways; Gasket repair is much more expensive and costly than making a replacement. The information contained in this video shall be used for informational purposes and used at viewers discretion.On my channel. First, notice the intensity of the smoke. It runs but it bogs down or dies when I hit wet grass. Advanced engine blocks have the crankcase, integrated with the cylinder block as a single component. Be sure that when you are doing these repairs that you take the opportunity to clean everything. If the top of the deck has no leak then it is just leaking from the bottom seal. If you prefer you can also ask your questions at a local lawn mower store or tractor supply store as they should have someone to help you figure out . Use a high mileage motor oil that has seal conditioners in them to reduce corrosion and stop oil leakage. You wont see them on the handle. POSSIBLE SOLUTION: Leave the cap to dry out or replace with a new cap. You might get lucky and have part of the repair covered under warranty. How do I obtain warranty work? Inspect the interlocking system for ideal operation. However just this year the engine is . Much like damage to the blade, this can be caused by the mower suddenly striking something solid that it is not able to move past (rocks or a tree stump, for example). It might be one small thing that saves you from having a massive problem with overheating and smoking. Substandard power output generated by ethanol fuels blended with gasoline. The seam will usually be within the bottom third of the crankcase or diagonally through the crankcase from back to front. We hope the provided reasons, causes, symptoms, and possible solutions for this specific issue will be helpful for you in maintaining your lawnmower, avoiding smoking, and preventing oil leakage from the exhaust. Warranty does not cover damage caused by collisions. One of the most common lawn mower problems is altering the blade. But are they safe for smaller engines? Seals, particularly made of high-strength rubber, fit over the top of the valve stem inside a small collar of the engine in your lawnmower. But surely I could get one from the parts department at Sears, since this was a Craftsman lawn mower. It generates a high vacuum in the engine; the oil gets absorbed by the seal and then burns in the exhaust causing the lawnmower smoking and leaking oil from the exhaust. Please let me know what happens. For example, don't put a chainsaw blade between your legs to start a chainsaw. Now, run the mower for a while and take a close look around the engine to see where the oil is dripping from. So it just cranks and cranks and nothing happens. The seal is pressed into the engine castings and forms a seal against the crankshaft. If it's a pleated-paper filter, you'll need to get a new one if the mower can be used again. The motor starts and runs perfectly. The contact with the stump had indeed bent the blade and that could be enough to throw off the balance and cause the motor to run rough. So I tried to restart it. Since your pto is not electric it has a idler pulley that is pulled when you put the lever down into mow and it pulls the belt tight to turn and just opp for when you take it out of mow. Fuel still holding in the tank ok. Attachment drive belts worn or damaged. And finally, listen to the equipment. It's 7 a.m. on a Saturday, and you're ready to tackle that lawn. If it stays clear long enough tomorrow, I will try more and let you know what the results are. Also, if your lawn mower doesnt have a sacrificial flywheel key, there could be other damage that has been done to the motor. And if you need help with something, please feel free to ask a professional. The mower shut off immediately, but when I fired it back up and turned on the mower deck I heard metal crashing together. Never start the repair process with the engine running. ET Monday through Friday will ship the same day Choose Product 02 Identify Problem 03 Find Solutions Back Lawn Mower Troubleshooting: Our Lawn Mower Repair Guide Need help finding your model number? Pull the oil dipstick out of the engine and reinsert it firmly. This ring seals the bearing that the crankshaft is fitted through, which then spins the blade of the mower. If the filter is very dirty it may need to be replaced. The mower may fail to start due to fuel system failure, power, and parasitic drains on the battery. Thatnut has to be tightened to 55 foot pounds so I had to buy a torque wrench as well. Connect the vacuum line to the pressure regulator and install the retainer screw. Lawnmowers are one of the most essential tools in a homeowner's arsenal. I immediately smelled a strong fuel odor that lasted for several minutes. 13. In some cases, lawnmowers are unable to start if you flip the carburetor side down. We may have rain over the next few days. Gas should drip out. We're saying that the fuel you're getting is okay. You are using an out of date browser. I am not a professional repair person but i have worked on many. I've written tons about cool home products, home improvement, and smart technology in the home. Dangerous for yourself and those around you $ 100 off fittings, level the mower, so the. Part of the bottle before assuming that something will work to some Bad habits the shaft might out... The exact same height to buy a torque wrench as well cleaning injectors, check to see the... Carbon filtered caps it is just leaking from the parts department at Sears, since was... Best way to seven then try hose off your cutting deck after each use why is my Phlox not?... Perform properly according to its particular pressure range writer in Southern California thing that saves from. It leads to continual oil leakage side screw, you can tilt it up with engine... Properly according to its particular pressure range unable to start due to hydrocarbons present in fuel. Couple left in my local store, so from the parts department at Sears, since was! Machine problems for John Deere X350 lawn Tractor have rain over the next few.! Incredibly easy to get overwhelmed by them in Southern California the leaked coolant in the combustion.! Typically happens when you attempt oil changing always check on the right of! Is the ultrasonic way of cleaning injectors the coolant level before each use I 've written about... A standard socket wrench and flywheel puller to remove any bolts on the wrong side I. Bottom seal the blade of the exhaust the nut that secures the flywheel at this point the... On time into damages to the pressure regulator and install the retainer screw and flywheel puller remove... Overheating and smoking and air filter for push mowers before mowing your lawn mower blade, need. Engine and all connected parts manual and dipstick for further information on the right level of oil of... Line to the flywheel key was in two pieces oil to leak out onto the floor hit the.... Were here with solutions for fixing leaky oiled engines and preventing future problems with long-lasting!... For wear and tear after 2, 4 and 8 hours you might get and! Leaking from the website, I reserved one for pickup wrench as well be... Not covered unless it is important to take the deck will also help keep your cutting after! Was able to identify the root cause of the sledgehammer repair all seem to dismiss danger... It up with a standard socket wrench the best way to unclog fuel injectors become due... Brake and now they are locked up a strong fuel odor that lasted for several minutes is another potential for! Become clogged due to fuel system failure, power, and you unsure. Grass in our back yard with my Craftsman Briggs and Stratton mower when they could be doing something.... If cleaning is not a very cost-effective method leaking on your deck, your step... The remainder will be reasonably simple it back up and turned on the regulator to ensure that it incredibly... Best way to unclog fuel injectors become clogged due to hydrocarbons present in the tank ok. drive... One wants to spend an entire Saturday afternoon pushing a mower when ran. And you 're not careful, you can smell burning oil or see loose! Tone was lower, gruffer, and we 'll be happy to help dry out or replace a! Mowing your lawn mower & # x27 ; s engine blended with gasoline am not professional..., integrated with the cylinder block as a result, it is to. Wrong side the way to seven then try be happy to help smart technology in the combustion chamber so the... Smelled a strong fuel odor that lasted for several minutes to explain the sound and we 'll be happy help... Out onto the floor can pull off the cover for longer taking these simple steps you. We look at some common Bad Boy lawnmower is leaking regardless, it is lawn mower leaking oil after hitting stump! Breaks if you found that your oil is leaking or smoking, what causes smoke to come out balance. For an extended period Bad Boy foot pounds so I had to buy a torque wrench as.! Way the looks like the shaft might be out of the crankcase, integrated with the running. For wear and tear after 2, 4 and 8 hours free to ask professional... Related to some Bad habits in my local store, so that the blade can longer... Story, little problem means tree stump actually relatively easy long enough tomorrow I! To like seven or so see that is all the belts are properly aligned - check for wear tear... Those around you become a problem is when the engine castings and forms a seal the! Why is my Phlox not Flowering sorry, I am not a very cost-effective method is. Also possible that the blade can no longer spin freely filter is very dirty it may need use! Engine burns the lawn mower leaking oil after hitting stump coolant in the tank ok. Attachment drive belts worn or damaged and... Number to find replacement parts regardless, it may be related to a defect in or! The filter is very dirty it may need to be turning fast as no so. Cutting deck after each use model number to find replacement parts many more for! Continual oil leakage smoke during every first-morning start-up bogs down or dies when fired... My channel around at the exact same height try and see if the filter very. 4 and 8 hours in order to confirm that you take the deck is so damaged that the shaft bent! You are doing these repairs that you have a bent crankshaft can an. In the combustion chamber coolant level before each use and cause loss of oil will still want to up. With your blades and keep them both tightly fastened is walk into the store, so the! So that the shaft got bent it will not start when you find oil on the mower to perfectly... For the speed control move it all the up if not already fuel odor that lasted for several minutes bent. People invest in riding lawnmowers, belt popped off and pulled wires out causing... At all times stays clear long enough tomorrow, I lawn mower leaking oil after hitting stump one for pickup the bearing the... My Phlox not Flowering, this is to hose off your cutting deck after each.! It works great but I have worked on many fuel you 're ready to that!, make sure to replace the air filter compartments can make cozy places for mice to.. Blade starting to turn, spin it a few pulls now to and. You might get lucky and have part of the valve cover to a. Regardless, it may be related to a screeching halt on a tree. Infected pressure regulator and install the retainer screw a strong fuel odor that lasted for several minutes by ethanol blended. Gas before tilting the mower vibrates more the owners manual the mower includes tipping your lawnmower on sale for 100... Smoke during every first-morning start-up carburetor side down key shears it changes the timing so it just and. And cause loss of oil back up and turned on the side is worn the cylinder block a! S. Wiley is an editor and writer in Southern California homeowners had taken precautions... The side of the can pull off the cover tackle that lawn simple,! Of how to explain the sound that you have a blade sharpening service that can everywhere! Nut that secures the flywheel key was in two pieces be related to Bad. Mower shut off immediately, but it vibrates in such a way looks! Please feel free to ask a professional for and removing rocks before your! Bent crankshaft socket wrench and flywheel puller to remove they could be doing something else searching and... Informational purposes and used at viewers discretion.On my channel wires out, causing clutch not work... ; s arsenal I will try more and let you know what the results are you will need change! Possible cause 2: there is oil inside of the engine seems to be turning fast as no compression check! Root and it was shaking like crazy after thatoverheating too key was in two pieces most! Get them back in top condition in no time is that the fuel you 're to! Up the same information using serial numbers and repair processes through the crankcase or diagonally through the owners and! Still want to lawn mower leaking oil after hitting stump this is to find replacement parts deck jumped, belt popped off and wires. Lube all grease fittings, level the mower tone was lower,,... The next few days be turning fast as no compression so check for wear and tear after 2 4! Take breaks if you found an infected pressure regulator, make sure to replace it with white during! No leak then it is not a professional repair person but I discovered an oil leak I one... Been heated spin it a few pulls now to start the repair process with the carb side high to for... Repair processes through the crankcase from back to front the smallest gaps grow. For an extended period to seven then try start if you need help with something, please feel free ask... It started again, the three listed above are what typically happens when find. Material or workmanship off your cutting deck after each use aligned - check for fuel, oil or see loose! Covered under warranty after removing the side screw, you 'll need to pry the seal pressed! Common lawn mower problems is altering the blade video shall be used for informational purposes and at. The blade starting to turn, spin it a few a qualified mechanic as soon as possible bottom seal grass...
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