Did you tip the mower over on it's side to remove the blade? I have tried shifting the gears and engaging/disengaging the pedal brake and parking brake lever (nothing). The seal is pressed into the engine castings and forms a seal against the crankshaft. On newer mowers with carbon filtered gas caps for emissions, gas can get into the carbon filter which will ruin it. Select the product of your choice and need, make purchases just by clicking the products mentioned in the table to fix smoking and leaking oil from exhaust; The fuel pressure regulator is to control the fuel pressure in the engine. Most lawnmower vibration issues concerning the crankshaft are the result of the blade striking a solid object. If you've leaked oil from putting too much in your mower, you'll need to measure the oil level with your dipstick, make sure it is correct, and check your carburetor and air filter. After I changed the blade, the mower ran better. Dont get more gas than you can use in two weeks, Make sure your fuel caps are not cracked, broken, or missing, Agitate your fuel cans before pouring, especially with your mixed fuel, Use a quality 2-cycle oil, adequately mixed, for 2-cycle engine, If a unit is going to sit for an extended length of time, the fuel system should be drained properly. Thanks for any advice! I did a quick visual inspection but did not notice any obvious damage to the shaft. DONT LET YOUR RADIATOR COOLANT GET LOW. Troy Bilt Lawn Mower Troubleshooting & Repair | Repair Clinic Price Match Guarantee Orders placed by 8:00 p.m. Put the belt back on and go. Potential Causes of Oil Coming Out of Your Lawn Mower Exhaust, Oil Spillage from Incorrectly Tilting the Lawn Mower, Oil Coming Out of Exhaust on a Four-Stroke Lawn Mower, Oil Coming Out of Exhaust on a Two-Stroke Lawn Mower, Oil Coming Out of Exhaust on Riding Lawn Mower, Why This Problem Needs to Be Resolved Urgently. Most common bad boy mower problems include; transaxle and hydraulic issues, deck lift failure, deck shaking, spindle, and alignment issues. Its purpose is to avoid leakage of coolant or engine oil into the cylinders and to seal the cylinders to ensure maximum compression. So, be careful with your blades and keep them in good condition. This was the repairthat scared me because of the amount of dis-assembly. Which part is bent and how badly its damaged depend on factors like how large the rock was and exactly where was it when the mower hit it. Perform regular maintenance of the engine and all connected parts. Restart the engine and check for an oil leak. This burning oil leads to further engine issues. While Ethanol does have some benefits, it also has many cons, such as its ability to attract and hold water molecules. the engine turns on but it vibrates in such a way the looks like the shaft might be out of aligment. But the more authoritative sites said that most repair shops wont even attempt this kind of repair because of liability issues. If you're unsure of how to properly straighten a lawn mower blade, contact us, and we'll be happy to help. It includes tipping your lawnmower on the wrong side. The tip of the lawnmower blade can travel at upwards of 220 MPH. It may not display this or other websites correctly. Next I would pull the valve cover off and look at the intake rod and make sure it's not bent or broken. 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. 7. Once the nut is loose, unscrew it by hand and lower the bowl. Im worried that if I keep using it Ill ruin it, but taking it to an electric motor repair shop might be costly, and it will put me out of commission at the wrong time of year. My post very smilier to a recent post by Kurb that Grumpy helped. As any farmer knows, critters love to make little homes in equipment. Be careful to take off only a little metal, or you'll make the blades too thin, and they could break and injure someone. 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. (A faulty breather valve can cause excess oil consumption.) A piece of wood jammed against the side of the lawnmower and the blade, which required me to flip it on its side and dislodge the chunk of wood. Thatnut has to be tightened to 55 foot pounds so I had to buy a torque wrench as well. The breather tube is connected to the carburetor, which connects to the air filter. Smoke from the exhaust has different colors depending upon the various reasons and causes; it might be black, white, or grey smoke. Lawnmowers are best for larger areas. If the oil leak is coming from the bottom of the engine, near the base, it is likely because of a problem in the oil tank or oil sump. The cost to fix both of these: about $30. The cashier at the parts counter suggested going to a small engine repair shop. Hitting a rock with a lawn mower usually results in dents and bent parts. Stay calm! Another potential error comes from the oil fill hose or seal, which can potentially leak if a sharp object flies into it. 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 . We have a specific guide on what to do if you have too much oil in your lawnmower. That is the most likely culprit when it comes to oil leaks. PLEASE MAKE SURE YOUR CHILDREN AND PETS ARE IN THE HOUSE WHILE YOU MOW YOUR LAWN! You may be able to easily fix your problem by correcting the engine oil level, but it may not be that simple. This DOES NOT mean that the shaft can't bend, it does in RARE cases. And finally, listen to the equipment. The next most likely thing to happen when hitting a stump with your mower would be damage to the deck. It of course would not start. There was less vibration, but it the engine was still running rough and making funny noises. Problem 2: Troy-Bilt Mower Loses Power and Dies While you are mowing, your mower can suddenly lose power and die. Project step-by-step (5) Step 1 Check the carburetor bowl for gas Remove the bowl Family Handyman Set a small cup under the lawn mower carburetor to catch any spills. The best way to avoid this is to hose off your cutting deck after each use. If there is a buildup of oil on the deck of the mower, around the tubes connection to the engine or on the tube itself, the tube may be cracked or its seal with the engine may be worn. If thats the case, you may not be able to repair it. Ways to Avoid Smoke and Overcome the Impact: Steps to Install The Fuel Pressure Regulator: How to Avoid White Smoke and Leaking Oil: Ways to Avoid Grey Lawn Mower Smoking and Leaking Oil From Exhaust: The engine suffers a low air to fuel ratio. And can generate further issues like: To prevent lawn mower smoking and leaking oil from the exhaust, and inconsistent inefficiency of the lawnmower, these provided steps will help you out if you are facing the same issue with your machine; To unclog the fuel injector and to keep your lawnmower running, order Fuel Injector Cleaner now! You will probably end up needing a major repair. Invest in waterproof paint to prevent . 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. Wear usually occurs on the inner face of the seal. It felt like the pulley was binding on something and wouldn't The tone dropped from tenor to bass. Also, do not do this while the spark plug is connected or the engine is hot. And, as an added bonus, when you're finished hosing off your cutting deck, engage the lawn mower blades and let them turn for a few minutes to induce drying and to re-heat the bearings. I changed the flywheel key, the air filter, and the spark plug, also cleaned the carburetor, and it acts like it wants to start, but it wont. The information contained in this video shall be used for informational purposes and used at viewers discretion.On my channel. You can buy a new one to replace the damaged part if needed; Fuel injectors are small electro-mechanical devices used to spray a mist of gasoline into the mowers intake manifold, which is right in front of the intake valve. JavaScript is disabled. Hit blind stump, bent blade bad, replaced blade, no start. Use a soft mallet to tap in a new seal. It might be possible to straighten it, but it could be weakened or damaged and that damage may not be visible to you. It causes frequent smoke from exhaust and also damages exhaust. That would throw off the balance and cause the mower to run rougher. I disengaged the brake and now they are locked up. Parking brake locked. Affiliate disclosure: As an Amazon Associate, we may earn commissions from qualifying purchases from Amazon.com. 1.1 Fix: Tipping the mower or using it at a steep angle. Wish I could be more help. If you overflowed the oil, this might be due to the buildup of pressure in that location. Possible cause 1: In some models, when you tip the mower, fuel can leak into the carbon in the cap, which restricts the venting of the fuel system. If it's low or depleted, this can lead to overheating, leading me into disastrous territory where things start acting weird. After running all summer continuously, ensure an annual review is done on time. Step 2 Remove the inlet needle and seat Family Handyman Losing Horsepower in heavy grass: This is another sign that you're losing compression. With the dawn of spring comes sunshine, the return of birds chirping in the warm breeze, and new growth everywhere. Oil leaks from even the smallest gaps easily grow into damages to the lawn mower's engine. The gas can be drawn into the combustion chamber and mixed with oxygen to optimize the efficiency of the combustion event. If there's too much gas inside the lines. Lawn Mower Primer Bulb Has Hole Diagnosis, What Planting Zone is Illinois in? You can learn more about this here. Still, the three listed above are what typically happens when you find oil on the deck. I just had a sudden stoppage on a brand new Toro. Make sure to keep your fuel tank full! Lubricate a new pressure regulator with clean engine oil and fix it on the regulator inlet. LawnMowerGuru.com, All Rights Reserved. It will stop after a few minutes. A. Therell be a diagram and a parts list. So that the fuel system can perform properly according to its particular pressure range. I took a look and the blade still intact except for a nick on the edge. After all, it's better to be safe than sorry. This ring seals the point at which the crankshaft enters the crankcase. So I tried to restart it. Make sure to clean the air filter as mentioned schedule in the user manual. Good luck. You should take a look in your owners manual. That extra oxygen will oxidize the fuel and create fuel system corrosion. Check to see exactly where oil is originating. Residue from the rust stuck into the injectors with an inferior oil filter. Its a long shot, but there could be some manufacturing defect thing going on here, too. Suzanne S. Wiley is an editor and writer in Southern California. Stick a flat screw driver between the shaft and the seal and pop out the seal. 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). The mechanic will be able to identify the root cause of the problem and recommend the appropriate repair. The mower will vibrate because the blade is no longer balanced, because it has been bent. Just checked as it was. 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. The upper bearing ring seal has the same function as the lower bearing ring seal, but is located on the top of the engine. The stump was on a dirt mound so the mower lodged and jammed on the mound and stump. The videos cover this procedure in detail. So it just cranks and cranks and nothing happens. Ensure that you change engine oil as well as the oil filter after 20 hours of use since purchase. Many of these accidents could have been avoided if homeowners had taken simple precautions. 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