Both the differential and hydrostatic transmission are connected by an internal cavity. 1. Once the new fluid is in the reservoir, start the engine and let it run for a few minutes before checking the level again. Cheers ! U660E, AB60E, AB60F, A750F, A750E, U151F, U151E, U660F, A340E, A760E, A760F, U140F, U241E, U340E6L80, 8L90, 4L60-E, 2ML70, 4L70-E, 4L85-E, FSO2106, 6L50, 6T70, 6T40, 6T45, 9T50, 8L45, TR3160, TR6060, 10L90, MT82, 6R80, 6F35, 6F50, 6F55, 4R75E, 4R100, TorqShift, 10R80, 6R140, 6R100, P79A, M91A, B90A, B97A, PV1A, MV2A, PN3A, PN4A, E6D8, BA7A, SD9M, PB8A, 8HP45, 8HP70, W5A580, 65RFE, NSG370, AL6, 8HP50, RE0F10D, RE0F10H, RE0F10J, RE0F10E, RS6F94R, RE0F11A, RE7R01B, RE6R01A, RE5R05A, G56, 545RFE, 48RE, W5A380, 66RFE, 68RFE, AS69RC, TR580, TY758, TZ1B8, TG5D8, TR690, UB80E, P710, UA80E, A750F, A750E, U760E, UA80F, P313, AB60E, AB60F, AC60F, AC60E, RC62F, A750F, A750E, P314, U660E, U760E, C59, U341E, U151F, U151E, R155, R155F, RA60, A760E, A760FI am independent amsoil dealer. Activate the transmitter. If your lawn tractor or zero-turn riding mower has a hydrostatic transmission, it probably uses hydraulic fluid instead of gear oil. Husqvarna YTH2448 HydroStatic Transmission Issue Allow all of the old fluid to drain out into a catch pan. Replace the drain hose plug and tighten securely. How to Change Hydrostatic Transmission Fluid Husqvarna? A pump affects hydraulic fluid inside a closed system and gears respond to changes in that hydraulic pressure. Hydrostatic transmission fluid change, how to replace tractor transmission fluid, SCAG maintenance, People Also Searches husqvarna hydrostatic transmission oil type, husqvarna hydrostatic transmission diagram, husqvarna yth2348 hydrostatic drive problems, husqvarna hydrostatic transmission slipping, husqvarna transmission hydrostatic problem, husqvarna riding mower transmission problems, husqvarna hydrostatic transmission adjustment. Number of Items: 1 Verified Purchase. Husqvarna FAQ : Maintenance - Transmission oil Do not overfill! Hydrostatic transmission, often abbreviated to "hydro drive," is a propulsion method used since the early 1970s, mostly on lawn tractors and mowers. M-ZT52 lawn mower pdf manual download. K46 Hydrostatic Transmission Repair. When & Why You Should Purge Husqvarna Hydrostatic Transmission? Stop the lawn tractor engine and check the hydrostatic transmission oil level. If you need to replace the transmission on your Husqvarna Yta24V48, you can find a replacement online or at your local dealership. So, lets see the Husqvarna hydrostatic drive problems and their solutions. A hydrostatic transmission uses fluids to transfer power from the engine to the wheels. Unscrew the hydrostatic transmission oil filter from the transmission oil filter housing with an oil filter wrench. Screw the new oil filter onto the oil filter housing by hand. Pour the transmission oil into the reservoirs by hand. Hydrostatic Transmission Drain Plug Install/Fluid Change bah53 28.8K subscribers Subscribe 930 Share 433K views 6 years ago Changing the oil and adding a drain plug to a hydro gear trans. Husqvarna Yta24V48 Transmission Fluid Change . Affiliate Disclosure "When you buy through links on tractorproblems.com, As an Amazon Associate I earn from qualifying purchases.". This results in a smoother, more efficient ride than youll get with a traditional gear-based transmission. Remove this plug and allow all of the fluid to drain out. Disengage the transmission according to your owners manual. How Often Do You Change Hydrostatic Transmission Fluid? Set the lawn tractor park brake to prevent the lawn tractor from shifting or rolling while working. Lift the Husqvarna lawn tractor's attachment lever on the operator seat's left side to the highest place. Part 3 will have some welding. The transmission on the Husqvarna Yta24V48 is a hydrostatic transmission. Slide the transmission oil drain pan from under the transmission oil filter. Many users have reported problems with the transmission, especially after extended use. Saved money, you learned something new? There are several possible causes of transmission problems, including a broken belt, damaged gears, or low fluid levels. . What type of engine oil does my Husqvarna rider use? Watch on. Save my name, email, and website in this browser for the next time I comment. sydney swans goal scorers; 75560197331a538390a79284e851fe0a1f4 2023 ford maverick forum But what makes it really special is the hydrostatic transmission. Turn the transaxle up side down and let the fluid drain overnight. (BEST TOOL). Start up your engine and check that there are no leaks coming from your newly filled transmission before operating as usual! Fill the engine with new oil to the bottom of the ll. 3 Jul 14, 2014 / Husqvarna YTH2448 HydroStatic Transmission Issue #1 I have 2006 YTH2448 and the last time I mowed it suddenly had a problem making a small incline. If you own a Husqvarna tractor, you may have experienced problems with the forward and reverse gears. Order online and pickup at your local store! Unscrew the hydrostatic transmission oil drain plugs with a socket wrench, and allow the transmission oil to fully drain. Thrashed a lawn. You can use non-synthetic engine fluid in the Rider 155 and 175 transmissions. How to Change Hydrostatic Transmission Fluid in Lawn Tractor However, failure of any one of these components will prevent the lawnmower from moving. Park the mower on a level surface and turn off the engine. Drain pan or bucket. Product Support - The forward motion of my tractor is good when I first start mowing but after about 15 minutes it really slows down. Hydrostatic transmissions consist of a hydraulic pump and motor that is generally belt-driven from the lawn tractor engine to propel the lawn tractor forward and backward by a foot controlled pedal or hand lever. What Fluid Goes in a Husqvarna Hydrostatic Transmission? Then, fill the transmission housing with new hydrostatic transmission fluid through the dipstick tube until it reaches between the full and add marks on the dipstick. #3. rear trans k574r tuff torq, uses 5 w / 50 sythetic oil , front tran is ktm10L uses the same 5w/50 sythetic oil , you will need about 4 litres. You might check the operator manual of your Husqvarna hydrostatic transmission to overcome the viscosity problems. Place a drain pan under the transmission drain plug (located on the bottom of the transmission). 3. If youre changing the fluid, drain it by removing the drain plug at the bottom of the transmission housing. A Complete Guide for Husqvarna Lawn Tractor Hydrostatic Transmission A K46BN holds 2.4 quarts. Some hydrostatic transmissions have more than one transmission oil reservoir located under the lawn tractor seat: one that fills the hydrostatic transmission side and the other fills the differential gear side. If you dont change the fluid regularly, it can break down and cause damage to the transmission. Slide the transmission oil drain pan directly under the hydrostatic transmission oil filter. if it does not get better after the oil change then the wear on the hydraulic parts is too bad for even the thick oil to help. Since your hydrostatic mower can fail to move for several reasons, you need to figure out the cause. Hydro-Gear Genuine Commercial Transaxle Transmission Oil (1 Quart - 32 Fl. The transmission oil drain plug is generally located on the side of the transmission towards the bottom. Swedish Riders 16 (H), Rider 155, and Rider 175 use 10w-30 non-synthetic engine oil. There is a possibility of activating the manual bypass lever when there is no response to your movement of the shift control arm. Worn drive belts or air in the lines can be the other causes. Remove the key from the ignition to prevent accidental starting. Always check the hydrostatic transmission oil level when the engine and transmission are cool. Husqvarna Lawn Mower Transmission Removal And Fluid Change One of the customers mentioned that a leak of the oil that powers the hydraulic pump hindered the mowers movement. First paragraph says "Normally the Strider transaxle (K46), that is featured in many tractor & rider models, does not require any servicing for the life of the vehicle.". The most common problem is that the transmission may not engage when the lever is moved to the forward position. Wheelie Breakage. Hop on the operator's seat. How to Change Hydrostatic Transmission Fluid in Lawn Tractor Remove the drain plug (usually on top of the transaxle), or remove the breather tube. This gives hydrostatic transmissions their characteristic smooth operation compared to gear-based transmissions. To change the hydrostatic transmission fluid in a Husqvarna riding lawn mower, you will need to drain the old fluid from the reservoir and then fill it with new fluid. When the lawn tractor starts moving automatically, you first check the oil issues. I had to open my transmission to fix a small leak Units with an external (screw on type) hydraulic filter, part number HG-50037, are easier to work on We. Hydrostatic transmission fluid change, how to replace tractor transmission fluid, SCAG maintenance repairvehicle 26K subscribers Subscribe 1.3K Save 278K views 3 years ago Saved money, you. 6. Hi, I'm new to the list and have a question about a Husqvarna 130 LTH hydrostatic mower. Then, it will be easy to find the solution. Screw the transmission oil reservoir fill caps onto the reservoir, and tighten the caps by hand. There are many transmission fluids, including non-synthetic engine fluid 10w-30 and non-synthetic engine fluid 10w-40. And it doesnt have enough pressure to deliver the same results as normal. After a while of trying to go back and forth it finally just stopped. 7. What Kind of Oil for my Riding Lawn Mower? . You are using an out of date browser. Recommend AMSOIL20W-50 Zero-Turn Synthetic Hydrostatic Transmission Fluid. Husqvarna Yta24V48 Transmission Problems - TP Unlike most other pieces of equipment the engine and transmissions are considered separate items than the mower. Park your mower on a level surface and engage the parking brake. It's typically recommended to change the oil in a . 5 Facts about Mobil 1 annual protection motor oil https://www.youtube.com/watch?v=S-MORC3EcaoAmsoil vs Mobil 1 vs pennzoil vs castrol vs valvoline vs royal purple https://www.youtube.com/watch?v=g3y-1lxMTxEDoes synthetic motor oil burns??? Fill the hydrostatic transmission oil filter reservoirs with new hydrostatic transmission oil. Finally, if your lawn mower is having trouble moving forward or backward, that could also be a sign of a bad transmission. How to Change Hydrostatic Transmission Fluid Husqvarna Zero Turn, Park your Husqvarna riding lawnmower on a level surface and turn the engine off, Place a drain pan under the hydrostatic transmission fluid drain plug, which is located on the bottom of the hydrostatic transmission housing, Remove the hydrostatic transmission fluid drain plug with a socket wrench and allow all of the old fluid to drain into the pan, Clean the area around the fill hole with a rag before removing the fill plug with a socket wrench, Pour new hydrostatic transmission fluid into the fill hole until it starts to drip out of the overflow tube, then reinstall and hand-tighten both plugs. This machine is powered by a 24 hp Briggs & Stratton engine and features a 48 cutting deck. Start the lawn tractor engine. 5. Another potential cause could be an issue with the clutch. Start by disconnecting the battery. A bottle of the 4-stroke oil recommended for your mower model, for example SAE 30 for Husqvarna walk and push mowers. Then the forward speed dropped to almost nothing and I shifted to reverse. What type of oil is used in hydrostatic transmission? Here are some potential causes of this problem and what you can do to fix it. If your tractors clutch is slipping, it can cause problems with both forward and reverse gears. I was told to check the fluid level. If you own a Husqvarna Yta24V48 lawn tractor, you may have experienced some transmission problems. It is recommended to empty your mower of hydraulic oil at the end of every season before putting it away for the winter. 20. So, you should seek out an authorized service representative to perform diagnostics or make repairs. http://www.husqvarna.com/ddoc/husi/husi2004_usen/husi2004_usen_i0402064_.pdf. Screw the transmission oil drain plugs into the transmission. You can pour directly into where you removed the drain plug previously. I appreciate your knowledge and expertise. The transmission is responsible for providing power from the engine to the wheels, and if its not working properly, your tractor cant move. If the fluid level is low, it may need to be topped off in order to get the transmission working again. Shifting problems will also occur when the control arm is out of adjustment. Heres how to change the hydraulic fluid in a hydrostatic transmission: Dont worry! Husqvarna 54 easy transaxle oil change!! My Amazon Affiliate links: New Transmission: https://amzn.to/3X9uikgNew Fluid: https://amzn.to/3Y9jEeGNew Drive Belt: https://amzn.to/3YrNmLTSnap Ring Pliers. My Amazon Affiliate links: New Transmission: https://amzn.to/3X9uikgNew Fluid: https://amzn.to/3Y9jEeGNew Drive Belt: https://amzn.to/3YrNmLTSnap Ring Pliers: https://amzn.to/3HCKHYXMy Advance Auto Parts Affiliate Link. If your Husqvarna riding lawn mower wont move, the hydrostatic transmission fluid may need to be changed. Husqvarna's hydrostatic transmission works by using a hydraulic pump and motor to transfer power from the engine to the drive wheels. 2. JavaScript is disabled. After turning the lawnmower on, you should put it in neutral and let go of the brakes. Slide the oil filter wrench onto the oil filter. May 25, 2021 / Husqvarna RZ5424 Hydrostatic Transmission issue. How Do You Purge a Husqvarna Hydrostatic Transmission? To change the hydrostatic transmission fluid in a Husqvarna riding lawn mower, you will need to drain the old fluid from the reservoir and then fill it with new fluid. Since the Husqvarna hydrostatic mowers are completely sealed, it is hard for the user to repair them. Allow the oil to fully drain from the engine. Youll need to take your tractor to a qualified mechanic for diagnosis and repair if this turns out to be the case. EZ, MZ, and earlier ZTH commercial zero-turn mowers use 20w-50 non-synthetic engine oil. She received her Bachelor's degree from West Virginia University. It is similar to an automatic transmission in a car, but instead of using gears, it uses hydraulics to transfer power from the engine to the wheels. craftsman model number 917 276391 lt1000 parts, https://www usedlawntractorparts com/how-do-you-jack-up-a-riding-lawn-mower-illustrated-guide/, https://www usedlawntractorparts com/should-my-mower-deck-wheels-touch-the-ground-2/, https://www usedlawntractorparts com/how-to-bypass-the-starter-solenoid-on-a-riding-mower/, https://www usedlawntractorparts com/my-riding-mower-drive-belt-is-slipping-overlooked-solution/, https://www usedlawntractorparts com/product-category/simplicity/. If you have a Husqvarna riding lawn mower with a hydrostatic transmission, the manufacturer recommends that you use only Husqvarna brand hydraulic fluid in the transmission. Turn the oil filter counterclockwise to unscrew the transmission oil filter from the oil filter housing. NOTE: Fluid change for the Swedish Riders needs to be performed by an authorized Husqvarna Service dealer due to the complexities of the drive system. Unscrew the hydrostatic transmission oil filter from the transmission oil filter housing with an oil filter wrench. susan mcdonald attorney zanesville; scrub top pattern spotlight Open menu. If youre having trouble with your Husqvarna Yta24V48 transmission, youre not alone. Slide the oil filter wrench onto the oil filter. 5. If your tractor is hard shifting, you should first check the fluid level and add more if necessary. Install and torque the top port plugs to 180 in./lbs. Tech Tips - Tuff Torq oil service procedure for - Tuff Torq Corporation This video may contain affiliate links, which means that I may receive a commission if you make a purchase. Park the lawn tractor an a flat, level surface. Then reinsert it and pull it out again if the level is low, add more until it reaches the full mark on the dipstick. Another possibility is that the hydrostatic drive pump is not providing enough pressure to engage the transmission. Over time, the fluid can become dirty and low, causing the mower to operate less efficiently. The motor then converts the oil flow into rotational power which is transferred to . K46 Hydrostatic Transmission Repair. (Part 1) TUFF TORQ (Husqvarna) First of all, you have to ensure youve released the parking brake before shifting the machine, as the mower will not respond to your adjustment of the control lever to move forward or backward. Lift the back of the ride-on mower up so that the wheels are off the ground and place . Some common issues include gears slipping, difficulty shifting, and the lawn mower moving on its own. Turn the transaxle up side down and let the fluid drain overnight. Torque the transmission oil drain plugs with a socket and torque wrench. Maintenance - What type of oil is used in the hydrostatic transmissions? If youre a Husqvarna tractor owner, you may have experienced transmission problems. HUSQVARNA M-ZT52 OPERATOR'S MANUAL Pdf Download | ManualsLib Again, when it comes to flushing air out of the lines, you can follow these steps: After the transmission is re-engaged, drive forward for about five seconds and then do the same in reverse. Husqvarna Hydrostatic Drive Problems - TP Tuff Torq K46 Oil Maintenance - Tuff Torq Corporation If your Husqvarna hydrostatic transmission is giving you trouble, it may be time to purge the system. I am not liable for anything you do to your vehicle or any harm you incur to yourself. There are a few things you can do to try and fix the problem yourself, but if the issue persists, its best to take it to a qualified technician. A hydrostatic transmission is a type of power transmission that uses pressurized hydraulic fluid to drive the engine. Next, push the lawn tractor in an open area of the lawn. It can happen if the transmission control arm may be out of adjustment. Fill the oil reservoir to the full line that is embossed on the side of the reservoir tank. Now, you know the husqvarna hydrostatic drive problems and how to solve those. . If this is the case, youll need to add oil to the transmission and then check the level again after running the engine for a few minutes. When the rubber parts get worn and cracked and oil comes out from the seal, you should replace them. Husqvarna Hydrostatic Transmission Oil Change . 1. This will prevent any electrical issues while youre working on the transmission. Over time, transmission fluid can become dirty and break down, resulting in poor performance and reduced life of your mower. Husqvarna Hydrostatic Transmission Oil Change . Tighten it securely with a wrench or socket. If youre experiencing transmission problems with your Husqvarna tractor, dont despair! Sorry, just old and slow. ! So if youre looking for a top-of-the-line lawn tractor thats built to last, be sure to check out the Husqvarna yta24v48 it just might be perfect for you. How to Install the Belt on a Scott L2548 48 25-Horsepower Lawn Tractor, How to Replace the Drive Belt on a Troy-Bilt Lawn Tractor, How to Take the Top Off a 5 HP Briggs & Stratton Mower, John Deere: Products Manual: Service Transmission, Beautiful houseplants that also repel mosquitoes, cockroaches and other pests, How to Change the Hydrostatic Fluid in a Cub Cadet Lawn Mower, The Best Way to Change the Oil on a Riding Lawnmower, How to Drain the Oil in a Honda Harmony II Lawn Mower. If your lawn mower transmission is bad, there are a few things you can look for to be sure. Husqvarna zero turn hydro gear ezt removal oil change and reinstall THE BIG SECRET! If its low, add more until it reaches the full mark on the dipstick. Husqvarna LGT2654 Hydro probs - Houzz Which oil goes into the hydrostatic transmission, Do Not Sell My Personal Information (CA Residents). If you see any, that means the gears inside the transmission are wearing out and will need to be replaced soon. Be sure to use only hydraulic fluid specifically designed for use in this type of system. Which Riding Lawn Mower Parts should I Buy New? Recommend AMSOIL20W-50 Zero-Turn Synthetic Hydrostatic Transmission Fluid. Allow all of the old fluid to drain out into the pan. Also for: M-zt61, 967177005. . The Husqvarna hydrostatic transmission consists of two pumps, a high-pressure pump and a low-pressure pump. iZ, LZ, BZ mowers use 15w-50 synthetic engine oil, capacities are listed in the owners manual. (Part 1) TUFF TORQ (Husqvarna) Joel Arseneault 5.36K subscribers Subscribe 332K views 5 years ago Please note: It has been pointed out to me that I did not. Swedish Riders 16 (H), Rider 155, andRider 175 use 10w-30 non-synthetic engine oil. The high-pressure pump is driven by the engine and supplies pressurized hydraulic fluid to the low-pressure pump. 4. What's happening? and before you replace anything get unde there and clean out all of the debris. Tuff Torq Genuine Hydrostatic Transmission Oil, Tuff Tech 3 Liters 5W50 If youre looking for a lawn tractor that can handle just about anything, youll want to consider the Husqvarna yta24v48. This chemical improves performance and extends transmission life. Hydrostatic transmission oil expands with heat and can give a false reading when hot. (Illustrated Guide), How To Bypass the Starter Solenoid on a Riding Mower, https://www usedlawntractorparts com/how-to-change-hydrostatic-transmission-fluid-in-lawn-tractor/, craftsman hydrostatic transmission oil capacity, What oil to use in lawn tractor hydrostatic transmission. At SM CAR CARE, we are dedicated to providing top-quality maintenance and repair services for vehicles of all types. Sometimes, the mower doesnt have the power it had previously or doesnt respond to your shifting. 2. ), Husqvarna Self Propelled Lawn Mower Troubleshooting (Detailed Guide), Most Common Problems with Kubota B7100 You Should Know About, Most Common Problems with John Deere Z540M, Husqvarna Mower Drive Belt Problems and Its Solution. I have 2006 YTH2448 and the last time I mowed it suddenly had a problem making a small incline. The fluid capacities are listed in the owner manual. And because there are no gears to shift, operating the yta24v48 is incredibly simple just push a lever forward or backward to go faster or slower. These easy steps can eliminate this problem. You may need to try a number of searches using various combinations of the words hydrostatic transmission oil change, hydrostatic fluid change, etc . https://www.youtube.com/watch?v=NCT24nozMYMMobil 1 - 20,000 miles Motor Oil. Next, clean any dirt or debris from around the opening before replacing the drain plug. Thanks for the reply. What Kind of Oil Does a Hydro Drive Mower Take? | Hunker As part of our commitment to keeping our customers informed, we have created a blog that focuses on engine oil types and capacities for different vehicles. How to change oil for lawn mowers | Husqvarna US LTH 130 hydrostatic problem - Houzz If you own a Husqvarna Yta24V48 riding lawn mower, its important to keep the transmission fluid clean and at the correct level. Husqvarna Yta24V48 is a riding lawn mower. Any help is greatly appreciated, thanks. 4. One of the reasons why a Husqvarna hydrostatic lawn mower wont move is the old hydraulic fluid. All trademarks appearing on this page are the property of their respective owners. If you are experiencing this problem, the first thing you should do is check the clutch assembly for any damage or wear. 5 Husqvarna Hydrostatic Drive Problems You May Face (Solutions Added) A former cake decorator and competitive horticulturist, Amelia Allonsy is most at home in the kitchen or with her hands in the dirt. Then, remove the drain plug from the bottom of the transmission housing using a wrench or socket. The hydrostatic transmission oil helps to keep the gears and bearings lubricated, as well as keeping the transmission cooler. Heres how to purge a Husqvarna hydrostatic transmission: Hydrostatic transmission oil is anti-foaming and anti-oxidizing. Finally, check for worn parts and replace them if necessary. The Swedish Riders 16 (H), Rider 155, and Rider 175 utilize non-synthetic 10w-30 motor oil. Her work has been published in the San Francisco Chronicle and on other websites. Drive the tractor in forward and reverse several times to check for proper transmission operation. Now walk to your lawnmower's rear side to pull your freewheel control down and outward, securing the transmission in a disengaged position. Product support - What type of hydrostatic oil does my zero turn mower take. Remove the key from the ignition to prevent accidentally starting the engine while youre working on it. 5.0 out of 5 stars Husqvarna YTH22V46XLs. Our blog covers a range of topics related to engine oil, including the engine oil capacity for various cars, the importance of using the right oil type, and the impact that engine oil prices can have on overall vehicle health. It may not display this or other websites correctly. Our team of experienced mechanics has a deep understanding of the importance of choosing the right engine oil for a car, knowing the correct oil capacity for each vehicle, and understanding the impact that oil type can have on engine performance. Turn the oil. So, you have to be cautious about the long period of non-active transmission drive. Transmissions on the consumer zero turns and tractors are maintenance free, unless regular service is notated in the owners manual, and do not require regular fluid change. To change directions, the direction valve is simply actuated, causing the flow of hydraulic fluid to be redirected. If you own a Husqvarna Yta24V48 lawn tractor, you may have experienced transmission problems. Commercial zero-turn mowers with an EZ, MZ or older ZTH engine require 20w-50 non-synthetic engine oil. If you are experiencing fluid loss, or loss of drive, the mower needs to be taken to a Husqvarna Service Provider for evaluation and repair. Asking a rider to mow up a 30-35 degree incline is far exceeding the design and intended use. Refer to your lawn tractor manufacturer's owner operator's manual for specific transmission oil drain plug torque specifications. Air can get into the lines when your hydrostatic mower idles all winter. EZ, MZ, and earlier ZTH commercial zero turn mowers use 20w-50 non-synthetic engine oil. I have a question about K46 hydrostatic transmission . Husqvarna Yta24V48 transmission problems. With a little troubleshooting, you should be able to identify the cause of the problem and get your tractor running smoothly again in no time! This can be a frustrating issue, as it can make it difficult to get your tractor moving in the direction you want it to go. How to change the oil in your Husqvarna lawn mower Disconnect the spark plug wire from the spark plug and place the wire where it cannot come into contact with the plug.