What causes a torque converter seal to leak

You may find the crankcase bolts linking to the rear crankshaft seal housing. These leaks can occur at the back of the engine or near the transmission, depending on the specific location of the seal. Feb 21, 2023 · #shorts #motorcarnut Nov 12, 2023 · It would be very unusual for the torque converter itself to have a leak. 4. The transmission fluid finds its way into the whole system via the torque converter. Cracked Fluid Line. Major leaks that need rebuilding or replacing the entire torque converter or transmission can cost $500 to $2000 or more. The pump will need to be loosened up, centered with the tool, tightened back down, replaced the seal again, and re-install the converter. As soon as you start your vehicle the trans pump will Sep 21, 2015 · New to me truck has 80k on it, it's leaking at the bell housing. Apr 5, 2011 · When the Engine's running the fluid level is even with the Pan mounting surface. In an automatic transmission if the whole torque converter is covered in fluid, then chances are your torque converter has sprung a leak. To make a long story short I am on my third attempt to get this seal installed correctly. Contaminated Transmission Fluid. Anyway something to check for, of course, is is likely just a bad seal. May 7, 2023 · 2/ At a minimum I would be replacing; front pump bushing, inspecting the pump gears, and the cast in pump crescent, front pump seal, possibly the torque converter if the neck has ANY damage where the seal, or bushing ride. Wouldnt hurt to pull the font pump while your at it and check the pump gears and the o-ring seal around the outside of the pump. Another sign of a rear main seal leak is smoke from the vehicle’s underbody. Ford warranty has run out, however I do have an aftermarket warranty on the truck. Common as dirt on TH 350. '92 F250/Banks Sidewinder/EGT Gauge & a '93 Legend Apr 18, 2022 · Removal of Seal bolts and Seal. Put pump back. Given its purpose and position on the pan, that will allow a quick leak of all transmission fluid inside. It’s basically a pump, and if this pump develops a crack, you’ll end up with a transmission leak. When the car is running the converter is kept constantly full by the front pump. Simple fixes like replacing a seal may cost as little as $150, while more extensive repairs, such as replacing a torque converter, can be around $1,000 or more. , to fix fuel leak. In this article, we will cover the common causes, signs, and fixes of transmission fluid leaks. What causes the torque converter to leak down into pan/case area after it stands for - Answered by a verified Transmission Mechanic We use cookies to give you the best possible experience on our website. Sep 8, 2022 · 2015 WT leaking transmission. When oil leaks from the rear main seal, it drips onto the hot engine parts such as the exhaust manifold or catalytic converter. If you pull it out,I would change the pump bushing (034),front seal (070) and the pump "O" ring (311)and pump gasket. It will keep leaking if you just replace the seal and not the bushing. Drove 50 miles and exited. Oct 29, 2020 · A torque converter is typically made of four major components: an impeller, a stator, a turbine, and a clutch plate. #2 · Dec 27, 2007. When I stick my borescope up inside, I am Mar 30, 2021 · That is the access/sight cover for the trans that keeps dirt and debris out of the bellhousing. Oct 11, 2017 · At my last oil change, the Subaru tech noticed a leak from my transmission, which was a big surprise. This introduction will go into further detail on the origins and effects of transmission seal leaks, the warning signs and symptoms that car owners should be aware of and the need to act Sep 21, 2018 · You can replace the seal with the pump bolted to the trans but you do have to pull the torque converter out as I'm sure you are well aware. Dec 2, 2010 · A leak around the seal is usually because the oil pump bushing seizes to the torque converter, resulting in the bushing spinning in the oil pump housing. Oct 16, 2010 · There’s been a discussion on a Honda forum about an issue with its CVTs as described in TSB 18-072. Oct 28, 2021 · Low fluid ( half empty) in the torque converter might cause problems for the many thin steel turbine blades, but I think it is unlikely. (just opposite the seal, so it looked like a leaking seal). I’ve had the rear main seal changed, front pump seal changed and it’s still pouring the same amount. Nov 13, 2017 · Yes, converters do leak down. Its stil leaking because the shaft the seal rides on it worn beyond the seals capability to do its job. If you regularly see oil pooling or dripping underneath your vehicle, it’s likely that the rear main seal is compromised. Cracked seal: Transmission fluid pans also rely on a seal to Nov 8, 2018 · I've seen it be a damaged torque converter before, but it could really be a lot of things. (310) in the attached pic. A new front seal (called the torque converter hub seal) is available from the aftermarket. 2. Next is the speedometer bullet get an o ring and inner seal for a 1977 C-10 three speed manual (cheap at Oct 4, 2012 · Chances are the torque converter seal is leaking since the torque converter is spinning on it any time the engine is turning, the pump seal dosen't move it just keeps fluid inside the transmission. plus labor between $100 and $130. The increased friction could cause the torque converter to fail. May 17, 2010 · servo cover. 5l 2wd. Dec 13, 2018 · I have/had a leaking rear main seal on my original 396 that leaked from the get go immediately after a rebuild. Given that the removal of the trans to R&R the torque converter is the majority of the work Jan 27, 2014 · The most common leak points on automatic transmissions are the input and output shaft seals. It is the lack of fluid that causes overheating, slipping, or shuddering. A minor leak, requiring just a new gasket, plug, or seal, may only run you $50 to $500. Worth repeating: Modulator O-ring. Mark. After about 18k miles I noticed transmission fluid leaking and took it back. Jan 14, 2011 · 4R100 leaking. HOWEVER, the seal that would be causing the leak you have now is called a front pump seal. However, transmission fluid will leak if there is a crack anywhere on the body of the torque pump or if the needle bearings are severely damaged. Apr 15, 2021 · This video explains and covers some of the issues that you could have with a transmission leaking out of the front seal around the torque converter and front Replacing a front seal involves: Removing the transmission. Jul 11, 2007 · The fluid from the converter will drain back into the trans case after sitting. The shop also re-built the transmission and gave me a 36k 3 year warranty. See full list on mechanicbase. Also when my engine rear main went bad, it leaked from in there also. Where can a torque converter leak? The torque converter pushes the transmission oil throughout the transmission. Disassembling it enough to access the seal. Fluid Leaks. Installing the new one. The location depends on the type of vehicle. Plus you may sense a burning smell of engine oil through vents. And as also mentioned, that seal won't cause an external leak. If the fluid level and condition are good, you can proceed with the following diagnostic steps. Trans temp isn't above normal or running hot. Oct 28, 2020 · Damaged Front Pump (Torque Converter) Seal. It it is auto trans fluid, it could be from the transmission front seal or the torque converter. Front pump/torque converter seal. This slice in th seal may not be visible upon removing the torque converter. Engine oil condition: One of the factors that can cause the rear crankshaft seal to leak is using the wrong type of engine oil or a low oil level. Leakage of Torque Converter. To remove this, you need to loosen its bolts. Jun 21, 2022 · 5. Torque converter drainback occurs with many types of transmissions, but is especially prevalent with Chrysler trannys. The only converter leaks I have encountered were either a crack where the hub meets the body, a poor weld around the perimeter of the body, or score marks/scratches on the OD of the hub. Use caution when trying to fix a transmission front seal leak and Dec 23, 2007 · If it leaks when it is sitting (not running) then it is probably the pump "O" ring. It looks like the fluid is just pushing right between the tq converter and the seal. To change the bushing,you really should use a bushing driver. Figure 1 — 6R80 Dipstick Plug. If you find transmission fluid leaking from the bell housing area between the engine and automatic transmission, you’re probably dealing with a bad front pump seal (also known as a torque converter seal). In most cases the leak is the seal around the dip stick tube when the fluid rises above it. Jan 25, 2023 · More specifically, transmission fluid leaks from the pan can happen because of: Loose or missing drain plug: Firstly, the drain plug on the pan could be loose or missing entirely. Jul 10, 2018 · I first solved the burping by using a 58-62 dipstick and tube. Position the seal slightly outwards or in a different spot than before is an old mechanics trick. If this torque pump has a crack anywhere on its body or has damaged needle bearings, it will leak transmission fluid. Remember, the transmission has 2 cv half shafts going into it, so that the cv halfshafts have to be removed. The trans might have been overfilled. 2117 posts · Joined 2006. Jul 17, 2009 · Oil leaking around a starter is usually one of three possible things. Regularly check and change your transmission fluid according to your vehicle manufacturer’s recommendations. Transmission fluid leaks when parked may be caused by a number of issues including worn seals or gaskets, a bad torque converter seal, or leaky hose clamps. /. I think the 58-63 is 13 inches. There is a special tool made by KD that pulls the seal with out a major disassembly of the transmission. SA Jan 31, 2019 · #4 – Torque Converter Leakage. your leak might be traveling all the way from the torque converter seal Apr 15, 2002 · If the torque convertor seal is leaking in the front pump, you need to make sure you replace the bushing behind it too. It’s had a pretty bad trans leak, about a gallon a week when driving. Oil pump fault (gears worn, seal leaks, housing damaged or loose, reaction shaft seal rings worn. This will get the fluid much hotter and cause this to happen. When you start the eninge is starts dripping fast. A leaking torque converter can also cause dirty transmission fluid. The front of the trans leaked when I bought my 93 4. Feb 9, 2014 · 6. Cleaned it and put in another new seal. When the the vehicle sets the Torque Converter will drain back into the Pan and the fluid level rises to where the Dipstick, Detent Cable & Shift Shaft/Lever seals can leak, also the Speedo Cable, Governor and Front & Rear seals. A mechanical hobbyist and car enthusiast. Oct 28, 2022 · This will cause a transmission fluid leak and, unfortunately, we’ll need to replace the torque converter to stop the fluid loss. Damaged Seals. Apr 22, 2008 · Yeah we are leaning towards the torque converter being the problem. Damaged Torque Converter Seals. It looked like it was the transmission pump seal. Second, you can use BlueDevil Transmission Sealer in your transmission to rejuvenate the front seal and stop the leak. leaking seal to the torque converter. In extreme cases, the bushing actually contacts the seal. Oct 28, 2013 · As mentioned before, the seal that ppl are referring to is a torque converter seal failure. There will be 10mm and 12mm bolts placed over to hold the engine block. Its losing roughly a quart every three weeks or so and I'd Dec 26, 2007 · rj8806. SHIFT SHAFT SEAL; and probably the shaft also. This shaft transfers power from the engine to the gears in the transmission and will have an oil seal around it. Idled a few seconds to see it the temp would drop in neutral. It will likely have trouble holding a bushing after Dec 9, 2006 · I have a 2001 Chevy 2500hd with the duramax with the 5 speed allison transmission, which has 172K on it. I pulled the torque converter and inspected it, looked fine. Just trying to help a fellow Ford owner. It's either the Torque convertor or most likely the front pump on the transmission. The second time I pulled the engine was after the initial fail of the original seal. Feb 16, 2011 · leaking torque converter FYI. Similarly, other components that rely on the fluid can also be affected. Remove and rebuild pump as needed. I did change the crankshaft during the rebuild so the new crankshaft could have been the issue. Not sure if this has happened to anyone else, but I rebuilt my 4R70W transmission from my '97 F150 4x4, 4,6L, bone stock. Dec 11, 2015 · With pump out, change out O-ring, and as Crosley mentioned above have a new pump gasket on hand as you will most likely need it. Static and dynamic transmission seals deteriorate over time because most oil seals are typically made from synthetic rubber that hardens or softens after several years. Torque converters are what move fluid into the transmission, and they can cause leaking if there’s a bad seal or any cracks or damage to the torque converter itself of the needle bearings. The seal, which is usually located in the transmission pump, fits over the snout of the torque Jul 13, 2022 · Summary. ( Long ago, working on automatic transmissions , it was not unusual to find bent turbine blades in the torque converters, a loss of efficiency but they performed relatively normally). Replace torque converter. If you have a manual transmission, it could be clutch fluid leaking from the slave cylinder, or a leaky front seal from the In this video, I show you how to replace the torque converter seal on this 4r70w transmission in my 1995 Ford F150. A contaminated transmission fluid can cause the torque converter to fail. A cracked torque converter body or damaged needle bearings will leak transmission fluid. A failing torque converter can cause fluid leaks in a few ways. 1971 Datsun 240z Devil Z red. Input shaft seal rings worn, damaged. Best luck. The issue is excessive clearance between the torque converter stator and transmission input shaft that allows fluid to slowly seep from the torque converter to the transmission. Latly, my transmisson started to leak bell housing. Until you pull the tranny, we cannot be for sure but those are the only 2 possibilities. This is an intermediate DIY repair that requires automotive know-how and specialized tools. The pan is seated onto the transmission housing with a series of bolts. When that happens, the torque converter will be unable to provide a smooth transfer of power from the engine to the transmission. Jan 23, 2008 · A seal on the outside of that shaft prevents leakage outside the torque converter. If the seal on the torque converter breaks, transmission fluid can leak out, and dirt and debris can get into the fluid. That seal should be replaced along with the bushing behind it. Mine leaked in there when my previous torque converter went bad. There is a bronze bushing in the torque converter that wears out and causes this seal to leak. If a burr is present, then dress it down with a small fine file. Mar 13, 2024 · The seal of the torque converter may be damaged due to the improper installation that makes torque converter leak. Feb 22, 2024 · To avoid future torque converter issues, it is important to follow some basic maintenance and driving habits. Reply. 7L Power Stroke Diesel - 6r140 transmission trans fluid leak from bellhousing - Hey everyone, just looking for some insight as my search for information has come up fruitless. Confirmed with the florescent dye method. Check for leaks past O-ring seal on pump or past pump-to-case bolts; pump housing porous, oil coming out vent due to overfill or leak past front Dec 2, 2023 · 1. It is leaking inside the bellhousing and coming out of the access cover you show in the picture. Pulled the inspection plate and it's definitely red stinky automatic transmission fluid. It looks as though as Big said, you might have a pump seal going bad in the front of the trans. 38. Sep 29, 2013 · The seal doesn't fit real tight on the torque converter hub (has a bit of a groove) but I can't see how it would all of a sudden leak so much, yeah maybe a little bit or increase gradually, but this was all of a sudden [kind of transmission/car not going anywhere (middle of the bridge too kind of sudden) Never leaked before at all. Seal wears the shaft, replace both. When the torque converter is not placed correct, or when the automatic gearbox is not placed correctly this part will break and start leaking. Since this isn’t a simple fix, taking your car to the mechanic for replacement is often the only option. When the technician removed the plug to check the fluid level, a loud “whoosh” was heard as pressure exited the sump. 3/ If he pump bush is worn, completely replace all bushes in the trans You can replace the rings but if the bores of the valve body and the drum are grooved the rings will not seal 100% and the torque converter will leak down over time while parked. I put in a new seal. . May 10, 2021. There is a shaft on the front of the transmission that slides either into the clutch plate or the torque converter that has splines on it. When the torque converter fails, it causes shuddering, slipping, overheating, and loud transmission noises when accelerating. May 10, 2021 · 16. Been chasing a leak from the converter housing area in the 2006 LBZ truck I bought in Sept 2020. A combination of 1 through 3 above. Last night we pulled the trans and replaced the pump gasket and O-ring, also checked the pump out, all seems good. Installed a new one, all is well. To fix the problem, you need to discover the seal that's damaged and have it replaced. Converter clutch failure, turbine hub leak, or overrunning clutch (in converter) failed. Converter Housing Area Leaks. Have to pull the transmission off of the engine and then slide the torque converter off and replace. Nov 8, 2019 · It's when you have a damaged torque converter seal that fluid leaks out and causes the overheating and damage. Usually a leaking trans after sitting for awhile, as the converter leaks down, is gaskets Mar 27, 2013 · What is involved with replacing the main seal to the torque converter. CAUSE: Situation 1 through 3: Improper alignment of sliding seal in pump; from start of production to July 2001, transmission serial numbers 55000-209255. I've got couple good jacks and a tranny adapter. The seal only leaked during the winter wh Sep 30, 2019 · Thus, the following are some of the causes of torque converter problems. When the car sits, the converter will slowly empty fluid back into the trans. Once you remove the flexplate, clutch and transmission, you reach the rear main seal. Hard shifts with FC30 (mechanical torque converter clutch monitoring) in EGS fault memory. Sometimes they don't seem to leak unless the engine is off and parked for awhile. If it twists you *might* be okay. 5. Drove 1/2 mile downhill and parked it. as well. When this happens, it can cause several problems. This is a big problem and a complicated fix. I am not familiar with the 10R, but the leak might be attributed to the front pump Nov 24, 2023 · One of the most common issues with torque converters and transmissions is fluid leaks. Further, tear the unit down and inspect ALL bushings. One of the most common causes of a leaking transmission pan is a deformed flange after a DIY transmission fluid change. Leak presents externally by dripping out the small round inspection cover hole on the bottom of the converter housing. . #5 · Dec 30, 2013. Apr 24, 2011 · There could be a burr which will slice into the transmission seal when the converter is pushed in. Never had one leak on me after replacing, but the way I see it, if I've already gone far enough to replace it, I'm going to replace the torque converter itself and the seal, and the o-ring while I'm there imho. Removing the old seal. Crossing my fingers that this will fix the problem for good. Oct 9, 2014 · The sump overfilling due to converter drain back is somewhat normal. The most common causes of why a torque converter fails are because of bad or faulty bearings, insufficient transmission fluid, damaged seals, excessive converter overloading, and a damaged clutch solenoid. The tranny is out, and I'm getting new seal tomorrow. I replaced most all of the hard parts with either new or rebuilt, and rebuilt the valve body and added a shift kit as well, and the torque converter is a rebuilt unit, so everything Jul 24, 2014 · If the converter itself is not leaking, have them make sure the pump is centered. Most engine oils have chemical additives that might affect the seals in the engine. I own a 2015 Chevy Colorodo WT 2. Was it leaking or do you just want to change it as a preventive move? If preventive, GREAT! tap in a new one nice and straight and yer done. These pieces work together in a fluid-filled housing. If there is no fluid on the flexplate or flywheel then you’ve got a bearing retainer plate leak in a manual transmission or a transmission cooler leak on an automatic transmission. It was fixed with reapplication of sealant around transmission pan about a week later. 10. If the torque converter seal is damaged, it could cause the transmission fluid within the bell housing to leak. (it has to be countersunk) Grind the converter bolts Oct 1, 2018 · 4R70W Front Seal Leak After Rebuild. The resulting bouncing causes even a still-intact seal to leak. The leak can be quite bad because of pressure from the adjacent pump. Sep 23, 2020 · 08-30-2002 05:20 PM. Let’s break down May 15, 2014 · Often you'll find that the pump bushing has spun in the pump cover and walked out toward the seal, restricting the fluid's ability to get to the drain back passage. Aug 25, 2021 · The best way to prove that you’ve got a rear main seal leak is the check if the engine side of the flexplate or flywheel is oily. Phoenix, AZ. They claim the torque convert seal broke, fixed it up (replaced an engine mount at part cost Feb 21, 2024 · When you encounter a P0741 code, the first step is to check the transmission fluid level and condition. Low or dirty fluid can cause the torque converter clutch (TCC) to slip, resulting in the P0741 code. Even though it leaks with or without the engine running I'm willing to bet if you got underneath it with the engine running you will see it leaks Jul 21, 2017 · Torque converter seal NIGHTMARE! Advise needed. After a few years i replaced the rear main seal and used the Vitron seal mentioned above. You can also find BlueDevil Transmission Sealer at any of our partnering local auto parts stores like: AutoZone. com Aug 21, 2023 · When a torque converter seal begins to leak, there are several measurable and quantifiable data points that can help diagnose the issue: Transmission Fluid Loss: A slow, steady leak from the torque converter seal can result in a gradual decrease in transmission fluid levels. Dealer said it could be the torque converter, but when i looked in the transmission when i was at my buddies shop, it looked to be behind that. install them in a loose transmission and you can see that the 58-63 is slightly taller that the top of the converter. Hesitating Shifts. It is located around the mechanical clutch for manual cars and between the engine’s flexplate and transmission container for an automatic transmission. Still felt only a little funny then the "check gauges" light drew my attention to the (stock) tran temp gauge which was almost pegged. If it is motor oil, then suspect the rear main seal. Reinstalling the transmission. If the fluid leak is caused at the torque, this kit has a cost for the full torque of $150 and labor of $80 to $120. Dirty or low fluid levels can cause torque converter problems. 7. It's made from a material called Viton and is MUCH more heat resistant. Jul 3, 2016 · clean the transmission and pour in a bottle of oil dye and use a black light bulb or ultraviolet light to properly diagnose the leak. Here are some tips: Regular Maintenance Tips. Either way, if the bushing has spun, you should replace the pump cover. I use the defective shafts for pin-punches. If you find a pool of fluid underneath your car around the engine and transmission area, the Nov 28, 2017 · A short, plastic dipstick plug is located in the hole in the case where the dipstick tube would normally be found (Figure 1). Key Takeaways. I have a 2011 that has developed a fluid leak coming from the bellhousing area. Pulled the new seal and saw some old paint in the bore. Jan 15, 2014 · Torque Converter Seal Leaking. The original fix was for head gasket replacements and a new timing belt. Check around both notches closely. This was odd, because the transmission vent located at the top Apr 1, 2024 · A transmission leak can cost you anywhere from $50 to $2000 to fix, depending on what’s causing it and how bad it is. Sep 23, 2020 · I haven't worked on an automatic in around 25+ years and back then that was C4 and C6's, that being said, leaky seals sometimes meant worn torque converter - front pump bushing or flywheel issues. Transmission fluid leak from radial seal on torque converter. Always check your Torque converter before you install because you could have other problems that you would not expect so this video shows you how to pressur May 18, 2018 · First, can remove your transmission and replace the front seal. Trans has been out 4 times, and still leaking. Exactly the reason you check fluid ONLY when the car is running. 1999 740il Titanium Silver. Tranny felt a little funny right before entering freeway. I've yet to pull the driveshaft to check, but I think the tailshaft of the 4l60E is just a hair longer (although I could swear it measured the same) and Dec 29, 2023 · 2. May 12, 2014 · SOURCE: 95 ford escort transmission leak Dont waste your time and money trying to use a transmission stop leak product, they don't work on large leaks, you say the leak is excessive in this case the you must remove the transmission to access and remove the torque converter, after you have removed the torque converter carefully inspect the torque convert imput shaft for wear and also you will Mar 22, 2012 · 497 posts · Joined 2011. Oct 17, 2023 · A leaky seal may cause several problems, such as decreased transmission fluid, less lubrication, and perhaps even damage to the gearbox’s internal parts. If you accidentally over-torque one or two of these bolts, it bends and deforms the metal slightly. Check both your converter and seal closely. An automatic transmission’s valve body relies on proper fluid pressure to activate the clutch packs and bands that are responsible for changing gears. I have a 04 MDX which I had the torque convert replaced at 65k Miles. 8. When a cold start follows and reverse is engaged, the transmission Nov 30, 2023 · One of the most obvious signs of a leaking rear main seal is visible oil leaks. Check for leaks at seal caused by worn seal or burr on converter hub (cutting seal), worn bushing, missing oil return, oil in front pump housing or hole plugged. If the rear main seal is leaking on your engine it will drip oil onto the flexplate or flywheel and sling oil around the bellhousing. 55-57 is 10 inches overall. 6. Managed to seal the tube with duct tape and apply some air pressure. May 3, 2017 · A larger one would help prevent this. plus $20 to $28 for labor. All that Feb 19, 2024 · A leaking torque converter can cost between $250 and $700 or more depending on your make and model. It sprayed fluid from under the weld on the neck. There is a tool for that. This will cause a fluid leak at any of the places you mentioned. The next step is to check for any other The color of the leak should give you an idea of what type of leak it is and how bad it is. This causes the oil to smoke. The torque converter has seals that prevent the fluid from leaking out of the housing, which can contribute to low fluid levels, slipping, and rough acceleration. What wasn't mentioned is replacing the seal where the gear selector shaft passes through the case. In the case of pan replacement, this ranges from $30 to $45. in the extreme cases of replacing the torque the cost is between $80 to $100. it is an industry standard used to find leaks without guessing for engines, cooling systems, rearends, transmissions, power steering, etc. Mar 20, 2006 · 3. 0. Also my third time pulling the engine. 1. The torque converter seal not only prevents leaks but also keeps out dirt and debris Causes of Torque Converter Issues; Replacement Cost; However, diagnosing the cause of a transmission issue isn’t easy. If the converter is leaking, it's likely that not only is the seal leaking, but the bushings that support the converter on the nose of the input shaft may be worn as well. After pump is bolted back in, grab input shaft and twist it by hand. Dec 21, 2009 · Bigger problem is why the seal needs replacing. The transmission fluid line is made of highly durable steel or aluminum but is susceptible to damage due to debris and overexposure to heat, resulting in fluid leaks. Leaking? Damn. Mechanic told me it was torque converter but I’m not too sure. Transmission fluid is propelled into the whole system by the torque converter. If a transmission seal breaks, leaking transmission fluid can cause serious transmission issues like gears grinding and slipping, excess vibration, slow acceleration Jan 22, 2024 · Let’s briefly look at the factors that can deform or deteriorate the rear crankshaft seal. May 13, 2015 · It developed a leak from the center of the yoke shortly after it first hit the road, but only leaks after it has sat a couple weeks and I assume fluid has drained from the torque converter. Back of the torque converter is clean. In many cases, the torque converter will not actually be the source of the problem (you might just have a fluid leak!). Jan 10, 2012 · The part that is leaking is called a "Keering" in dutch, i believe the correct englisch word is seal (or pump seal as the person above me said. Remove and repair or replace as needed. If your pump has become off-center, the snout on the converter won't seal against the front pump seal. Most engines have an inspection cover in the bellhousing the allow you to check Oct 13, 2007 · The leak started immediately after not driving the truck for over a month, while looking into fuel leak, and then installing return side fuel o-rings, hoses, etc. #1. Using the best valve body and drum you can find during a rebuild will help. The seals get hard/brittle over time. A Deformed Flange. Brandon or Bill might have a few more insights. The purpose of this guide is to simply help you narrow down the possibilities and educate yourself before Mar 13, 2024 · The cost of fixing a transmission fluid leak can vary widely depending on the cause and the vehicle. Torque all bolts to correct spec in a criss-cross pattern. Still leaked. Feb 25, 2013 · 10. Low transmission fluid means it takes longer for the necessary pressure to build up, which delays the gear-changing process. I have less than 10,000 miles on it and baby this car. Advance Auto Parts. lf xa qd bo ot jq qi zn yd rc