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To the OP, again sorry for your misfortune.
If I could ask two favors of you:
- Would you be willing to send a fluid sample into Blackstone? It would be very beneficial to the 100 community to have a reference sample of what a failed trans looks like in a spectrum analysis.
- Could you post any details of your situation to this thread so that we can continue to capture all known data surrounding the failure mode?
Also what was past maintance history over the life of this transmission.
I had the transmission fluid changed at 97,000 miles when i bought it. No prior service records.
Was that a drain and fill? Was it a fluid exchange? Was it a flush? Was it at a dealership using Toyota ATF? Keep us posted.
Just for curiosity sake, what would a new transmission cost (I have a '99)?
As stated earlier I work at a toyota dealership. If you feel comfortable giving me the vin I can put it in our system and tell you the service history of your vehicle as long as it has been done at a toyota dealer.
Flush. Had it done at a local Toyota dealer.
As for a sample of the fluid, I'll see what I can do. I'm here for work this week and don't know if I'll have the time. I'll call Toyota later today and see if they can save a sample.
Is there any reason why the R&R couldn't be a DIY? Looks like you can get the trans for $2,385 (after core). And if it's just a bolt show it might be worth it. From what I remember, it might need to go to the dealer for programming to 'learn' the new trans.
Besides thoroughly flushing TC and cooler, what else would need to be done?
Make sure all the lines are flush, do a search another member had one out in a 2000 and posted a list of what needs to be changed and flushed.
here on MUD, they've failed anywhere from 60K to over 200K. There is no "safe" mileage... Of course, I think 200K is a "premature" death for a Toyota tranny, but hey, that's just me......2000 was a rough year for the lx tranz , they either went forever or died a premature death ...

Flush. Had it done at a local Toyota dealer.
here on MUD, they've failed anywhere from 60K to over 200K. There is no "safe" mileage... Of course, I think 200K is a "premature" death for a Toyota tranny, but hey, that's just me...![]()
Peaked from 50--130K, most likely because that's a typcial range for ALL trucks, not just failures, in other words, there's no sign that the right tail is not going to expand as we see more and more MY 2000 trucks get up to and over the 200K mark... Mine's at 190K now. Maybe I need to update the graph? There's been a few more failures since last year's analysis...IIRC, the bell curve peaked in the 90-120k range. However, I have no idea if that's just representative of our small sample size. For that matter it could correlate to a behavior, such as most 100's turn into wheeling rigs around the 100k point. However, there does seem to be positive correlation to high mileage; if it's going to happen, it seems to happen earlier than later.
And again, from the 'will it happen to me' perspective, you should have around a 95% chance of it not happening. So don't fear the truck or the year. Web forums get the trouble postings but not the success postings to they tend to bias the failure mode mentality.
yes , the 55 with the 2uz is my daily driver , its allwayse here , His old trans was failed somewhere behind the ft pump assy and would build no psi for a stall test , made a bad grind from the bell pan area , i will try for a fluid sample , late now but i will go squezze out the core . as for a price we go off all data , as a dumb tech in a small dealer i got no pull , would have been alot less if i could find a non hardened ear . but i get no say in the matter . i did try .
