low automatic transmission fluid

Thatnoobguy · Aug 19, 2023

Question, out of curiosity do these trucks have a low atf fluid warning light? Just changed mine everything went good. 3 and a half back in, overfill drained to a drip. But let’s say you were to screw up, would it tell you it’s low. Not a bit low like most people say but let’s say you draining the 3 QT and put nothing back in. I’d assume it does with all the tech everything has now but just curious.

MonkeyChief · Aug 19, 2023

RLMoody said: ↑

I had just been reading up on servicing Toyota transmissions because my wifes 13 Sienna has 67000 miles and I thought it was over due for a new filter and fluid. From what I understand the fluid does not need to be changed anymore unless the vehicle has heavy duty usage and then it is at every 60000 miles. The stealerships will recommend oil changes sooner so they can hit you for $400 to change it.
I saw several mechanics say to change it at 90000 miles while the transmission is still in decent condition. Also said to do a slow change by draining the pan and then filling back up what came out. There is no dipstick to check. Do it again a week later and again the week after to dilute the old fluid out. The idea is to have the fluid make a gradual change in the system to avoid any potential problems with the transmission being older and worn. I guess fresh fluid is thicker and your tranny has been running on thin fluids for some time. Also you have to measure what comes out so you know how much to put back in. The warranty says for the life of the car but mechanics are saying try to collect anything when it fails because the fluid is shot when you have 150000 miles on it. I am not a mechanic but I was just reading this over the weekend.
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low automatic transmission fluid

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low automatic transmission fluid

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