Th350 Front Seal Leaking

hello, i just replaced my seal on the extension housing at the yoke. GM Turbo 350 Front Pump Leak Sealing Kit TH350 Transmission. Contains Front Pump Seal, Extension Housing Seal, Selector Lever Seal and External Gaskets (including Pan Gasket and Converter Gasket or O-Ring). We also used black rtv for the end seals rather than the typical rubber seals as they have a tendancy to shrink with heat and start leaking oil. (I think) I know it's not from the pan, because if I put a rag up by the converter the rag gets wet from fluid. At CARiD you will find the widest choice of premium 1977 Chevy Corvette Transmission Seals & Gaskets from world-renowned brands. What are chances of it being a front seal? The rear seems ok but it is hard to tell because it got wet from the leak blowing back. All new parts. When I first looked at the truck when purchasing it, I figured it was the output shaft or speedo gear seal. It would sit and lose a quart or so a week prior unless I drove it everyday. 456 gears front and rear. Hydraulic Pump With Accessory Drive Housing And Gear - Lycoming Engine -1500psi Hydraulic Pump - $500. My '80 Vette has 28K miles. Chuck _____. Powerglide Blueprinted Front Pumps (14 lbs) Fully blueprinted and assembled. behind the converter you have the front seal and the pump !. If you counted 13, you are either looking at the Turbo 350 Transmission or the Turbo 400. First make sure its trany fluid and not engine oil. You can watch it drip out of the front corner on the passengers. I want the blue 1 piece Fel-pro oil pan gasket but they make a thin or a thick front seal type. Always check the transmission fluid's color because ATF will turn brown from heat and oxidation. If it's right hand looking from the front it could be the seal. 350 Transmission Parts. The TH350 transmission was introduced in the 1969 model year as the successor to the GM Powerglide automatic transmission. Here is a list of the most common problems that can cause a transmission fluid leak. Hi, I've got 1973 Malibu with auto TH350 and I got leak that I can't find solution for it. Leaking transmission fluid is one of the easiest ways to determine your car needs attention. How do you change a front seal on a turbo 350 then pull the torque converter out of the trans. One of its main components is the seals and gaskets that control the flow of hydraulic fluid and keeps it from leaking out onto other parts of the engine. TH350 4WD short output shaft. When I picked it up the transmission was leaking from the front seal. Then about 6 or 9 months ago he front seal started leaking. T56 Front Shift Conversion Kit relocates the shifter to the forward opening on the top of you 6 speed T56, 13. Local junkyard had one that cleaned up like new and now no more leaks. As for your install issue, if it works OK, it's not likely the cause of your leak. I'm now assuming that it was coming from the front pump seal where the converter slides in. Aside from the engine problems we had on my Son Dan's rpu (which should now be fixed with the new motor) he also had a persistent fluid leak from the TH350 transmission. When this happens the front seal must be replaced. Hello, Front trans leaks are quite coomon on that trans. If you are leaking from around the front pump, it IS NOT because the bolts are loose--Make sure it is not comming from the converter seal, a bad pump bushing will make even a good seal leak--If the gasket were leaking, it would leak into the case. The part are not all that expensive, it is the labor that jacks the price tag up. There can be many reasons for transmission fluid leaking. Transmission (Group 4) TPG649 TPG645 Master Overhaul Kit: Gaskets, Friction (lined) Clutches, Lip Seals, Steel Clutches, "O" Rings, Front Pump Seal Sealing Rings and Extension Housing Seal. Subject: TH350 leak at driveshaft: Reply: Pull your driveshaft and check the tranny yoke to make sure it doesn't have any nicks, burrs, or anything else that could disrupt this seal. TH400 leaking from the front? Solve the problem with our front pump leak sealing kit for the GM TH400 Transmission, 1965 to 1998. JEGS Transmission Front Pump Seals are made from quality materials to insure against leaking and premature wear. hello, i just replaced my seal on the extension housing at the yoke. New Atp Set Of 4 At-205 Re-seal Stops Leaks 8 Ounce Bottle. Transmission Pump Seal Official Site Toggle navigation Steamer. GM Turbo 350 Transmission Rebuild Troubleshooting Guide Troubleshooting is the step-by step process where you can logically diagnose a problem. It's called seal packing and you use it on the front cover to cylinder head and on the cylinder head covers at the front only on both sides of the cam towers at the base of the head. Manufacturers use several methods to seal the pan on their transmissions. Note: There is a rubber gasket under the lock nut. All new parts. An automatic transmission has many seals and gaskets to control the flow of hydraulic fluid and to keep it from leaking out. I replaced my front engine oil seal (crank seal) myself about 2 months ago. Replacement bushing and seal fits GM Powerglide, Turbo 350, Saginaw, Muncie, Bert and Brinn transmissions. It wouldn't go in gear, thought the trans was junk. Also there is seals or metal washers with a sort of teflon coating on them on each bolt the holds the pump in. Turbo Hydramatic 350 to the Jeep Dana Model 300 Transfer Case. The front pump input seal is my bet for where the leak is coming from. The leak is coming from the pump front seal. For TH350 transmissions, this housings is cast in heavy-duty aluminum and machined to keep the gear in place and accept your speedometer cable. Hello , You could have a leak at the transmission dip stick tube o-ring, the front pump gasket, the torque converter seal , the transmission output shaft seal or the transmission oil cooler lines. Answer this question I have this problem too Subscribed to new answers. If you counted 13, you are either looking at the Turbo 350 Transmission or the Turbo 400. Th350 Transmission Front Pump Seal Up Stop Leak Repair Kit 1969 -1984 16. TH350 Transmission REAR SEAL & BUSHING KIT. I have rebuilt th350's before and haven't needed to replace the bushing unless it looked bad. You will be missed, Neil! Posts: 19171 Location: bishop, ca: Tim, when/if you buy a new (replacement) torque converter, you should have it be thoroughly checked and/or overhauled but, here's a real good tip: if your trannie is air-cooled (with air vent-grilles on the bell housing and with the T/Q having a row of small cooling ear/fins on. The code is gone but the breather tube still spits out fluid. There are two main types of oil seal: static and. Step 4: Install the clamp for the modulator and tighten the bolt to 12 ft-lbs. If you counted 13, you are either looking at the Turbo 350 Transmission or the Turbo 400. For example, the two most common reasons for transmission fluid leakage are: 1) A worn or a broken seal can cause the transmission to leak. This is an excellent kit to have on hand when you notice a small leak. TAIL HOUSING, PLUS SUPER TH350. The transmission got so hot that it softened the front pump seal and caused it to literally purge the transmission of fluid. Browse Leak Stop in stock and ready for shipping right now! Vintage Car Parts Store. CD4E Because the vent on the CD4E is located on top of the side cover, it's hard to believe the problem can even exist (figure 7). Powerglide Sealing Washer‚ Front Pump Bolts (7) APG-13268AS Your source for powerglide,th350,th400 and a727 transmissions Components High Clutch Drum and. The bushing has nothing to do with the seal. I had a problem that I thought was a rear tranny seal leaking. you need to pin point the leak and make sure the oil is red. MORE INFO. This fits TH350 and TH400, for 3. If it doesn't start leaking. 90 TH350 Transmission NEW. This involves a process of elimination, usually starting from the simple, easy-to-check items, then moving on to more difficult items in logical sequence. I replaced my front engine oil seal (crank seal) myself about 2 months ago. The trans does have a modulator but everything seems dry there also. Oil will leak from the front crankshaft seal. GM Turbo 350 Transmission Rebuild Troubleshooting Guide Troubleshooting is the step-by step process where you can logically diagnose a problem. Contains Front Pump Seal, Extension Housing Seal, Selector Lever Seal and External Gaskets (including Pan Gasket and Converter Gasket or O-Ring). Fluid leak from top vent on transmission case: This problem was much more common to see on the earlier model years of this transmission but is still a potential problem that can happen. FYI: The quick way to find parts on this page is to press the "Ctrl" & "F" keys at the same time and just type into the search engine what you are looking for. It depends on the kind of transmission in many cases. What the heck is going on here? Here is what happened. I,m assumeing it,s the front seal as the lines are all good. org but have been reading posts on here for quite some time. Oil Pump or Rear Main Seal Leak. Can be used on ALL YEARS TH350. Answer this question I have this problem too Subscribed to new answers. Powerglide Blueprinted Front Pumps (14 lbs) Fully blueprinted and assembled. The Kevlar band is a VERY good band so long as the band clearance is not too tight. Free shipping to any U. behind the converter you have the front seal and the pump !. This involves a process of elimination, usually starting from the simple, easy-to-check items, then moving on to more difficult items in logical sequence. My transmission in Ol' Blue leaked like the Exxon Valdez for 3 years before I finally ran across the information online on how to replace the shift shaft seal myself. Transmission Tail shaft leaking. Seals- Front Pump - It is vital to make sure that nothing important in your transmission unit leaks out and causes the parts to become flooded, and that is where the TH350 seals come in. FYI: The quick way to find parts on this page is to press the "Ctrl" & "F" keys at the same time and just type into the search engine what you are looking for. As for your install issue, if it works OK, it's not likely the cause of your leak. I drove the car from my dads house to mine and now its pouring fluid again. Technical Manuals Extension Housing and Components Filters Friction Plates Front Clutch Retainers and. Th350 to Muncie 4 speed? Transmission and DriveLine Questions. Well low and behold it is not leaking now. :( New engine. GM Turbo 350 Front Pump Leak Sealing Kit TH350 Transmission. Powerglide Sealing Washer‚ Front Pump Bolts (7) APG-13268AS Your source for powerglide,th350,th400 and a727 transmissions Components High Clutch Drum and. Check out free battery charging and engine diagnostic testing while you are in store. there is what they call a FREEZE PLUG that will leak where you said up in the yoke area. Th350 Amp 22 Amp quality assurance and price concessions. Learn about this problem, why it occurs, and how to fix it. It should be replaced when replacing the tailshaft seal or when a driveshaft failure has occurred. Sometimes it will leak only a few drops, otehr times it will leak out what looks like half a quart. What the heck is going on here? Here is what happened. TH350 Front Pump & Rear Extension Tail Housing Leak Seal Turbo 350 Transmission. This seems to work on all web sites and most documents. you need to pin point the leak and make sure the oil is red. Of course, it should be replaced any time the pinion gear is removed, such as ring and pinion replacement. End_elivehelp_btncod NEW TH350 Front Pump to Torque Converter Seal. There is far more fluid contained directly above the pan than in the pan itself; the pan is more like a "cover plate" than like. Buy Transmission Seal Tool - BK 7769250 online from NAPA Auto Parts Stores. Chuck _____. Get the job done with the right part, at the right price. Look at the TH400 pan gasket. Chevy TH350 – Fixing the notorious kickdown cable leak The kickdown cable port on the TH350 transmission is a common issue. Always check the transmission fluid's color because ATF will turn brown from heat and oxidation. Maintain your transmission front pump with seals from ATI Performance Products. Is there anything else that might explain this leak back? Short of a rebuild, what are my options? If there isn't anything I can do short of a rebuild, what symptoms should I look for as the trans begins to get worse? Robert. Skip to content. Remove and discard the two oil seal rings (208) from the pump cover (202). Leaking transmission fluid is one of the easiest ways to determine your car needs attention. Of course, it should be replaced any time the pinion gear is removed, such as ring and pinion replacement. Chevy TH350 - Fixing the notorious kickdown cable leak The kickdown cable port on the TH350 transmission is a common issue. I have a 1970 Nova with a TH350, it is leaking from the dip stick tube seal so I thought I would remove the retaining bolt, pull the tube and replace the O-ring but I can not get the tube out of the transmission. Th350 Amp 22 Amp quality assurance and price concessions. As a result of the cracked flexplate, eventually this will cause the front seal to leak due to pump bushing damage and converter hub wear. for looking over in front of. GM Turbo 350 Front Pump Leak Sealing Kit TH350 Transmission. park it, start the engine and let it idle warm, with your foot on the brake and parking brake engaged and no one in front or behind you move your shift lever from park to drive-n-reverse and back and listen to the sounds. If you want to see where it's leaking from: 1. When combined with a 9. my napa friend said his was a FREEZE plug leaking. A worn bushing will cause excessive side-to-side movement of the slip yoke and create a vibration or leak. Specilaizing in Hydramatic transmissions. Order Transmission Seals for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. for looking over in front of. You have to remove the driveshaft anyways to pull the differential input shaft, wood be foolish not to replace the trans tailshaft seal while you can get to it. front seal installation on automatic transmission Th350 Turbo 350 | Front Pump And Pan Removal and share it all with friends, family, and the world on YouTube. Turbo 350 & Powerglide also Muncie, T5 Rear Tail Shaft Seal and Extension Housing Bush. leak crome dip tube it should have an o ring on the end about 1inch from the bottom it sits in a groove when you put these in that little #@&*^ jumps out of the groove and does not seal in the port this will cause your leak ive been down that road and ended up beding it in half and took the stock tube to a friend and had it powder coated. Use care using the lip seal tool, I use a push-in technique more than a work around the drum technique. Banner Kit: Same as Master Kit, but without Steel Clutches. I figured out the leak occurred every time I added fluid. You should check the seals on your car every so often to ensure that the fluid is not leaking. Free shipping to any U. As well as from free samples, paid samples. It seems to leak a bunch of transmission fluid after setting for a period of time. The Turbo 350 transmission, commonly known as the TH350, was a 3 speed automatic transmission that began phasing out the GM Powerglide in 1969. 30 Years of Experience. No problems at all. The other place it may be coming from is the trany pan. Th350 transmission rebuild kits with seals TH350 transmission metal clad seals 4L30E OR ANY front wheel drive GM transmissions. If you're looking to stop that annoying leak at the tail shaft seal or torque converter seal, we have what you need. Seals- Front Pump - It is vital to make sure that nothing important in your transmission unit leaks out and causes the parts to become flooded, and that is where the TH350 seals come in. GM Turbo 350 Front Pump Leak Sealing Kit TH350 Transmission. When I did this I could literally see t-oil oozing from the housing. The leak persisted. and not motor oil pics if possible. and you will see a shaft sticking out of the front of the trans. I've got oil dripping out of that spot. No pics of that one though. After three times I tapped on the top of the tube to seat it down w/block of wood and finally got it ! Just a th 350. I call a transmission shop the guy says it is probably a spun bushing, not a seal and probably needs a new transmission. Powerglide Sealing Washer‚ Front Pump Bolts (7) APG-13268AS Your source for powerglide,th350,th400 and a727 transmissions Components High Clutch Drum and. Replacement bushing and seal fits GM Powerglide, Turbo 350, Saginaw, Muncie, Bert and Brinn transmissions. Find our best fitting transmission seals for your vehicle and enjoy free next day delivery or same day pickup at a store near you!. If you slide around the drum, and it catches the seal it will cut it and then you must get a new lip seal and start again. Th350 to Muncie 4 speed? Transmission and DriveLine Questions. How do you change the rear output shaft seal leaking at rear of transmission only when running. A common problem for an LLV postal truck is a transmission fluid leak at the speedometer drive gear on the side of the transmission. There is an "O" ring, that seals the tube into the trans that fails like everything else will. I looked and found that it was leaking from th. I have removed the entire tail section, installed a new bushing, and at this point, I am on my 3rd new seal. Remember, fluids can move and travel around when driving and or sitting. Look at the TH400 pan gasket. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Pull the transmission dust shield and inspect back toward the bolts (may have to use a mirror) where the input shaft enters the transmission. The thin is driver-side dipstick only and the thick is either. Electrical Connector and "O" Ring Seal. A new metal clad selector shaft linkage seal for the ST300, TH350, TH400, TH700R4, 4L60 and 4L60E Transmission. Will it fix large leaks? probably not. I don't know what size that seal is in that tranny but I know on the 700R4/4L60E line of trannies a 1/2" pipe thread will screw into the rubber and you just use like 12" of 1/2" pipe threaded into the rubber seal on one end and then on the other you put an elbow to tap on to pull the seal out. I am working on a 72 C10 with a 307/350 turbo combination. The leak is about where the tranny and oil pan meet and a littlle towards the driver's side. A rear main seal will also leak into the converter cover. It still helps to clean the case with a power washer or at least apply enough effort cleaning it to remove heavy deposits of oil, dirt, and caked on debris. Just trying to get some info that can help me in my situation. However, if I rev past that it drips very noticeably from the bottom of the rear main seal housing. I have a 1970 Nova with a TH350, it is leaking from the dip stick tube seal so I thought I would remove the retaining bolt, pull the tube and replace the O-ring but I can not get the tube out of the transmission. Replacing a Pinion Seal Replacement of the differential pinion seal on a Chevelle can be performaned by more than one method. Description. View a vast selection of Shaft Kit Transmission, all carefully selected. If it's right hand looking from the front it could be the seal. front seal installation on automatic transmission Th350 Turbo 350 | Front Pump And Pan Removal and share it all with friends, family, and the world on YouTube. The TH350 transmission was introduced in the 1969 model year as the successor to the GM Powerglide automatic transmission. I also use TRANSTAR parts and there part# is 61991 ,which you might be able to purchase at a local tranny shop if you dont have a GM dealer handy. The thin is driver-side dipstick only and the thick is either. Powerglide Sealing Washer‚ Front Pump Bolts (7) APG-13268AS Your source for powerglide,th350,th400 and a727 transmissions Components High Clutch Drum and. You may want to check your oil and transmission fluid levels prior, as that would be a pretty good indication as to where the leak was coming from. Hey J Just rebuilt a TH400 for my project sounds like low oil pressure to me I am no expert but thats the common thing between all the symptoms you can get to the pressure relief valve with the pan removed, worst case the pump is worn out. I was wondering if there is a way to get the tube out without moving the motor from. if the front seal is leaking then its one of those three problems GOOD. rear vs auto gearbox seal leak I guess a worn front uni joint could also wear out a rear gearbox seal pretty quick if it had a lot of play in it and moved around. Remove and reseal front pump assembly! ALL seals, large O-ring on pump and gasket, anything that can leak. Fluid leaks can result from many different causes, most commonly with faulty installation and broken seals. This site has searched all over a comprehensive assortment at competitive sticker prices. I rebuilt my 700r4 and had a leak at the rear seal. You'll need to get the pan off as the selector shaft has to be removed to change the seal. 50 T350 Front Rear Oil Seals Th350 Front Pump Seal Extenstion Output Turbo 350. Th350 350 Master Rebuild Kit Complete With Rebuilt Torque Converter. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Find our best fitting transmission seals for your vehicle and enjoy free next day delivery or same day pickup at a store near you!. I reused the yoke from the TH350 that was in the truck before. No big deal. The TH350 transmission was introduced in the 1969 model year as the successor to the GM Powerglide automatic transmission. Fatsco is a worldwide supplier of automatic transmission parts for foreign and domestic vehicles dating back from 1941 through current day. Then about 6 or 9 months ago he front seal started leaking. Seals on your transmission are exposed to high temperatures while the vehicle operates, so they experience a huge amount of wear and tear. TH350 Turbo 350 Transmission Pump Seal Extension Housing Seal Set, 100% Satisfaction Guaranteed for Transmission Pump Seal Extension Housing Seal Set. What are the signs? Your leak occurs only when you park on an incline (front of vehicle elevated higher than the rear). 34-39 Tooth Aluminum Speedometer Gear Adapter Housing---fits Th350 Transmissions. Hello , You could have a leak at the transmission dip stick tube o-ring, the front pump gasket, the torque converter seal , the transmission output shaft seal or the transmission oil cooler lines. and not motor oil pics if possible. If it's right hand looking from the front it could be the seal. This video will show you how to repair this transmission leak at the seal. Here is a list of the most common problems that can cause a transmission fluid leak. Always check the transmission fluid's color because ATF will turn brown from heat and oxidation. It is not the fault of any one seal, but with the clearances of bushings and machined services. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs. maybe its leaking around the threads that the speedometer screws on to?. No big deal. I made a pulley holder from a piece of flat stock. Each housing comes with all necessary seals for a leak-free installation. Order Transmission Seals for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. If the fluid is red, it is automatic transmission fluid and the transmission's oil pump seal is most likely at fault. View Details. The trans leaks from the front pump seal. I want to sell it and if it's an easy fix I wouldn't have to discount it because it leaks as it runs fine. Online shopping for Automotive from a great selection of Wheel, Crankshafts, Automatic Transmission, Manual Transmission, Axle Shafts, Camshafts & more at everyday low prices. TH350 Front Pump & Rear Extension Tail Housing Leak Seal Turbo 350. I call a transmission shop the guy says it is probably a spun bushing, not a seal and probably needs a new transmission. I drove the car from my dads house to mine and now its pouring fluid again. tranny fluid leaking through thecenter of the tranny yoke! c/kman. Powerglide Sealing Washer‚ Front Pump Bolts (7) APG-13268AS Your source for powerglide,th350,th400 and a727 transmissions Components High Clutch Drum and. Play close attention to the direction the seal is put into the tube (Fig. The front pump seal on the TH350 is a common leak sight. Automotive Gaskets & Seals From intake to exhaust, gaskets are always at the center of the action, providing the positive, leak-free seal your vehicle's vital systems require to run at peak efficiency. Over tightening the pan bolts will only damage the gasket or worse, strip the bolt threads. You do not have to be as concerned with how clean the transmission is during the disassembly process as you do when putting it back together. Transmission Dipstick, Locking, Steel, Cadmium, TH350, Kit. Probably shouldn't of done that. You can watch it drip out of the front corner on the passengers. It's not too hard to replace the seal. Jawaban Terbaik: did you put it in or the shop? if you did might not of had the converter all the way in and might of did pump damage if the shop did it then the same problem or the converter bad or the flywheel broken which i'm leaning in that direction. This is a discussion on Transmission Tail shaft leaking within the General Help forums, part of the LSx Technical Help Section category; Took the car to cobblestone today for a transmission fluid flush, and they told me their was a leak in. This is an excellent kit to have on hand when you notice a small leak. If you don't, and the yoke is worn bad, the new seal will leak eventually too. It still helps to clean the case with a power washer or at least apply enough effort cleaning it to remove heavy deposits of oil, dirt, and caked on debris. Equipment out of calibration can lead to an underfill condition. It's possible that the front seal is shot, but I'm not sure about it leaking more in reverse. 8) is very important. This is a discussion on Transmission Tail shaft leaking within the General Help forums, part of the LSx Technical Help Section category; Took the car to cobblestone today for a transmission fluid flush, and they told me their was a leak in. No leaks!. The output shaft seal is a stainless steel cap that prevents transmission oil from leaking onto the driveshaft assembly. Powerglide Sealing Washer‚ Front Pump Bolts (7) APG-13268AS Your source for powerglide,th350,th400 and a727 transmissions Components High Clutch Drum and. and not motor oil pics if possible. The TH350 has a 13 bolt pan gasket. What are chances of it being a front seal? The rear seems ok but it is hard to tell because it got wet from the leak blowing back. Yes, they can work. Housing Pump With Drive Engine - Hydraulic Lycoming -1500psi Accessory And Gear Drive With Engine -1500psi Accessory Gear Pump And Lycoming - Hydraulic Housing Hydraulic Pump With. Manual Shift Th350 The TH350 is an automatic shift, three-speed transmission. Place a new seal on the modulator and install it into the case. My TH350 never stopped leaking, after I sealed the trans the lines to the tranny cooler started leaking :rolleyes:. New door weatherstripping and trunk seal. How To Replace Rear Main Seal Yukon 2001? Bad Oil Leak On 98 S10 Chevy What Can It Be? Free guide to replace rear main seal in toyota camry? How To Replace The Rear Seal And Bushing On A Turbo 350 Transmission? How To Install Freon On Chevy Lumina 97? How Do I Reset The Oil Change Light On A Chevy Aveo??. General Motors makes Chevrolet cars and trucks. The trans does have a modulator but everything seems dry there also. Well low and behold it is not leaking now. When I did this I could literally see t-oil oozing from the housing. If a Chevy has gear-shift issues, there is a good chance the transmission is faulty. If I go for a drive, get All this is especially true if the. Free Same Day Store Pickup. :( New engine. You'll want to lube it up a little with some fresh fluid or a little grease. The front pump input seal is my bet for where the leak is coming from. MOD01 465H Modulator Large Black Canister TURBO HYDRAMATIC 400 (3L80, M-40) 3 SPEED RWD HARD PARTS. Front Pump Needle Bearing Gm Chevy Th350 Turbo 350 Fits All 1969 - 1986 Stop Leak Kit Turbo 350 Th350. It should be replaced when replacing the tailshaft seal or when a driveshaft failure has occurred. Also someone stated that the forward clutches could be burnt causing a leak. 5" from the back of your bell housing. TURBO HYDRAMATIC 250, 250C, 350, 350C 3 SPEED RWD (Lock Up & Non Lock Up) Revision 02/2018. It will stop for a few days, then one morning i'll wake up to see a small puddle of trans fluid. Also someone stated that the forward clutches could be burnt causing a leak. new transmission about 40k miles ago. Are you doing an overhaul? Replace brittle, aged front pump seals with new ones from ATI. Again, there is no leak at idle when hot or cold. Hoping that bolts can just be tightened or something. The pan gasket is often blamed for the leak but is not usually the cause. Oil Pump Assembly Pump to Case Gasket. TH350 leaking from the front?. Seal bushing products are most popular in North America, Southeast Asia, and Western Europe. Fatsco is a worldwide supplier of automatic transmission parts for foreign and domestic vehicles dating back from 1941 through current day. i'm tracing a very strange oil leak. Th350 Transmission Front Pump Seal Up Stop Leak Repair Kit 1969 -1984 Th350 Transmission Front Rear Seal Turbo 350. Cars & Trucks Motorcycles Other Vehicles & Trailers Boats Powersports Parts & Accessories Automotive Tools. I made a pulley holder from a piece of flat stock. TH350 Front Pump & Rear Extension Tail Housing Leak Seal Turbo 350 Transmission. I have a 1970 Nova with a TH350, it is leaking from the dip stick tube seal so I thought I would remove the retaining bolt, pull the tube and replace the O-ring but I can not get the tube out of the transmission. I'm now assuming that it was coming from the front pump seal where the converter slides in. I have rebuilt th350's before and haven't needed to replace the bushing unless it looked bad. :( New engine. Discussion in 'The Hokey Ass Message Board' started by evobuilder, Mar 9, 2013. TH350 leaking from the front?. ATP Automotive is the best transmission leak sealer that performs well and can be used for stopping other leaks. Including TCI890900 - Powerglide/TH350/TH400 Transmission Seal-up Storage Plug Kit. You have to remove the driveshaft anyways to pull the differential input shaft, wood be foolish not to replace the trans tailshaft seal while you can get to it. Gently tap new transfer case seal replacement way into place using hammer or rubber mallet. Torque Converter Installation Instructions. Tried using the ratchet strap/chain to the frame method without luck. I put to much oil in my 2012 vw turbo but had some removed, the oil pressure rose to 220. Cars & Trucks Motorcycles Other Vehicles & Trailers Boats Powersports Parts & Accessories Automotive Tools. When I did this I could literally see t-oil oozing from the housing. Best Answer: that piece that covers the torque converter is the inspection place and if transmission fluid is laying in it then the front seal or front pump is leaking ! if the tube is clogged it can make the front seal, the back seal or a gasket to leak. The Turbo 350 transmission, commonly known as the TH350, was a 3 speed automatic transmission that began phasing out the GM Powerglide in 1969. The leak has really irritated me and I was tired of dealing with the puddle of trans fluid on the garage floor so five years later I started doing some research online and I found out that there is a well-known problem with the 700r4 front pump seal that was fixed in mid 1987, when the transmission was redesigned. Leaking transmission fluid is one of the easiest ways to determine your car needs attention. You'll want to lube it up a little with some fresh fluid or a little grease. You can watch it drip out of the front corner on the passengers.