Turbo 400 Leaking. Fortunately I was able to save the most importan I just rebuilt

Fortunately I was able to save the most importan I just rebuilt a TH400 and it is leaking from the vent tube. Includes outer oring, inside … Diagnose and Repair Turbo 400 TH400 Leak on the 37 Ford Aaron S Rose 8. So I will make a repair video th C3 General - Turbo 400 leak - My Turbo 400 suddenly started leaking while driving and it looked like the front pump seal. replace torque converter. Seal at the shifter linkage, speedo cable seal, modulator valve seal. Shifter linkage and speedo are …. Within a short time, it was leaking. If I drive the car it doesn't leak or use the B&M trick shift fluid, when I park … I've got a Th400, previously with my lower converter stall it didn't seem to have any issues, but I got the limiter raised so it's at about 4000 now. I have a Durale cooler with fan running all the time. I have a turbo 400 auto tranny and I have … Leaking Turbo 400 Trans Pan Gasket Pontiac - Street Turbo 400 transmission leak. Over time, the gasket can become worn and start to leak, causin I got tired of the Heartbeat of America bleeding ATF all over my driveway, so let's fix it. Put it in the car and it was dripping from the front of the pan gasket area from what I could see. I don't remember having these problems back when these … Ok I had my Turbo 400 leaks fixed last year. While the van sits the box leaks somedays some not. It's the last ditch effort to stop the leaking https://www. It turns out … I've battled these tail housing leaks on a TH400 a couple of years ago, & used a thin coat of Indian head shellac ptfe Teflon thread sealer on the bolt threads, a quality National … If it didn't leak before letting it sit, it may be as simple as the torque convertor leaking down. I can put a couple quarts in and drive it for a while and no lea I've been leaking tranny fluid everywhere lately. Discussion in ' The Bench ' started by Buicksky, Aug 2, 2025. 2 weeks ago I decided I was going to have a leak free transmission on my 72 for my transmission has started to act up and leak when the car is parked for a few days. 9K views 5 replies 6 participants last post by Baddbob Sep 20, 2011 C Buy Speedo Leak Repair Seal Kit Fit for TH375 TH475 Transmission Speedometer Turbo 400, Premium Speedo Leak Stop Seal Stops Transmission Fluid Leaks and Ensures … Simple. I even took to a tranny shop and they could not figure it out. tail piece gasket, pan gasket. I finally traced it to the … I am working on my 57 with a TH400 tranny. 1 up front, pump oring leaking 2 passenger side front, tube leaking 3 … Can't stop the leaking at the base of your filler tube? This is usually caused by a tiny pin hole or crack near the base of the tube. I can hear it happen from inside the car - I … Every time i let the car sit for a couple of days, there`s a huge amount of fluid on the floor and i just can`t find where it`s coming from. All … Pump halves cleaned up I'm beginning to suspect the issue is coming from elsewhere. I am having fits with a leak from the speedo cable. I finally got around to replacing the gasket again and torqued the bolts to … How To Find And Fix A Transmission Leak On A TH400! If you need it this is the JSP Speedometer Seal Kit I used from Amazon - … I have 400 turbo. The shift lever seal on the side of my turbo 350 transmission is leaking transmission fluid. So when the engine and tranny was out for enigne repair I decided to replace the … Turbo Leaking Oil ? Common Causes Explained. Does anyone know if this seal can be removed and replaced without … I have a rebuilt 70 Chevelle 400 turbo, new GM Corvette 1800 stall converter, B&M clutches, shift kit. It will stop the leak where the … Hello all. I am not very well versed in the field of automatic trannies. Leaking Turbo 400 at kick down connector 69-77 Grand Prix TECH Replace Transmission Gasket, Pan, Filter - TH 400 / Turbo 400 Do Head Gasket Sealers Actually Work (FULL 2yr TEST with Engine Teardown) Transmission Leak Output Shaft Seal Repair 4R70 4R70W … What would cause a leak from the front pump, where the converter snout goes in. I believe it uses an … The fluid level is actually a little low, on the count of it leaking at least once every time I drive. … CT9940 - A new complete speedo housing leak stop kit for GM TH375, TH400, TH475 & 3L80E Transmissions, 1964 & up. A turbo leak can happen for a wide range of reasons, from a too-small feed and excessive oil pressure. It's a steady steam of fluid when the engine is running. What if it's not? And, the … Hi all. 1971 Malibu, factory buckets/full gauges/console, 383 roller cammed … C3 Tech/Performance - Turbo 400 leak - I have been chasing a leak on my '75 turbo 400. My transmission in Ol’ Blue leaked like the Exxon Valdez for 3 years before I … GM TH400 Transmission Gasket & External Seal Kit 1964-96. Obviously, if the seal is damaged that would be a no brainer. I did lube the front seal before I slipped on the converter, but … How common is the Turbo 400 leaking fluid? My 69 GTO has leaked for years. lmo8u
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