Overfilled transmission fluid now leaking10/10/2023 ![]() ![]() Well, of course, you can't seem to buy the right size of these things so I won a similar auction on ebay for 400+ O-rings (I paid $12 total including shipping) Here's the link to my yotatech thread, which has similar pictures and arrows to yours:Īnyhow, in my case it appeared that the top "plug" was the problem, so I removed it and saw that it has an O-ring. I had also posted this question on yotatech and it appears that you and I are the only ones who have ever had this problem - or at maybe nobody talks to us newbies. I know a honda one, but not Toyota.Īmazingly, I finally addressed this problem today. I can upload a picture if it would help.īTW, can anybody recommend a good online part source? Something with exploded diagrams would be great. If it is a replaceable part what the heck is it called? Can't find it on any online part sourcesĪny input is greatly appreciated. #OVERFILLED TRANSMISSION FLUID NOW LEAKING MANUAL#Is this dummy plug a hard or soft rubber? Is is supposed to provide a good seal? I have the haynes manual where it seems to be called a hydraulic test port but am having a hard time finding additional information - including on this forum. both 12mm bolts were plenty tight (speed sensor and plug) I would think the dummy plug (as I am calling it) would leak only if the tranny is overfilled, but the leak continues. Transmission Fluid Level continues to be fine - even though in 2 months the leak puddle has gotten somewhat sizeable. The lower one I believe to be the speed sensor and the uppr one appears to be just a dummy plug - and trickling out of the dummy plug is some pretty red transmission fluid - which of course leaks onto the speed sensor and the dampening mount, etc - but I'm pretty sure that is the source. At the end of the transmission, near the driveshaft, on the driver's side - there are two "plugs" - each held in place with a 12mm bolt. I'm a recently new 3rd gen T4R owner- 1997 SR5 2WD 3.4L ($6500 with 150K in 10/2006, FYI)Īnyhow, I've had it for 3 months and shortly after purchasing I noticed a transmission fluid puddle under the middle of the T4R.Ĭrawling under there and I think I see exactly where it is coming from. ![]()
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