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Has anyone else experienced anything like this (i.e., putting in way more ATF than the service manual calls for)? Does it mean my transmission is worn? Any input would be greatly appreciated.
That’s the problem. Because it was too low before, I decided not to measure how much ATF came out. My thought was that it won’t be accurate anyway. I drained ATF into a drain pan with previous oil drain and there is no way to measure it now.
One interesting thing is, I found this youtube video:
He drained out 3.5 quarts, which is much closer to my situation than the service manual.
Thanks a lot, Eric and Bluesnut! I have to say I am very surprised that both cars have significantly low ATF levels. Both cars were bought new ~6 years ago, were never driven hard and have very low mileage. I have never done anything to either transmissions (I doubt the dealers did anything when I brought them in on a couple of occasions for warranty and recall services), I never even pulled out the ATF dipsticks on either car until a couple of days ago. Especially, for the corolla, they say the ATF is life time. There is no instruction of how to check ATF levels in the owner’s manual.
Thanks a lot for the reply. Yes, I was always confused about this, which was why I never check ATF before. Honda is different from Toyota.
For my CRV, I let the engine warm up until the fan kicked on. I then went through all the gears. Then, shut off the engine and checked the ATF level.
For my Corolla, I drove 5 miles on highway until the engine come to the normal temperature. I then came back to my garage and went through all the gears. Put it in “P” and left engine running, and checked the ATF level.
I believe I performed this correctly.
Thank you so much! I will do a drain and fill over the weekend. Then, keep a close eye on the ATF level in both cars.
Thanks a lot! But, this is really strange. Both of my cars park in the garage. And, I keep a close eye on leaks. There is really no oil marks of any kind on my garage floor. I also check the transmission (when I was changing oil over the weekend — which was why I decided to check ATF in the first place). I didn’t see any signs of leaking either. Both of them are quite clean.
Thanks a lot, Karl. I do agree that at least in my house the corolla is much better. My wife also only drive 2 mile to work everyday, but her car is clean inside the engine (especially under the oil cap) and in the tailpipe.
In any case, I guess I don’t have much to worry about with the engine. It all about my short trips everyday. I am already decided to change oil way more often than before (every 2 months in the winter), hope this will help extend the engine life a bit.
Thank you so much, barneyb! Then should I use thicker oil in the winter, such as 5w30 or 10w30, instead of 0w20?
Thanks a lot, Fopeano! Just to make sure you mean to add 1 quart of automatic transmission fluid into the engine the day before oil change, right? Do you think doing these (a series of quick oil changes + adding ATF) can get rid of the rust already there, or just keeping things from getting worse?
A side question, 2010 CRV requires 0w20 oil. For my series of quick oil changes, can I use much cheaper 5w20?