Prius (2004-09) :: 2010 - Whine On Transaxle / Fluid Change
Nov 21, 2013
I have a 2010 Prius and need to change the Transaxle fluid. I have the Haynes repair manual, but it only shows the drain and fill plugs for the Gen II. I have found what looks like the drain plugs but am not sure of it. Fill appears to be right next to the CV axle and the drain is straight down from the CV axle. Are these the correct fill and drain plugs?
Also, this transaxle seems to have a whine to it. Whines only at kind of a neutral throttle. Throttle pressure or backing off on the throttle reduces the whine. Is this normal or what?
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I'm trying to change my trans fluid on my 2010 Toyota Prius I, but I go under there and look, and there's NO drain plug and NO filler plug! It's just completely solid, with a black electrical thing on the front (looks like an electric pump or sensor of some kind). I've watched videos, read articles, read manuals! I would just hate to have to take it in to the same dealer who's telling me "it's good way past 100k miles..." .
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Long story, but I bought a 2007 Prius with 73K miles on it. Now I'm at 93K miles, and I think it may be more jerky than when I got it when I shift the tranny into "brake" mode.
I don't know if the fluid has ever been changed on it, and I intend to change it very soon now. Am I in a pickle? Or should this transmission be fine if the fluid hasn't been changed for 93K miles?
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I just acquired a 2006 Prius with 96000 miles. My local service station said he did not want to change the transaxle fluid. He said he had changed it for someone and the car stopped working. My son the mechanical engineer said there is a risk that changing the fluid can dislodge particles that were not a problem and cause a problem. I don't drive many miles -maybe 3000 per year, so car will be 19 years old by the time I get over 130,000 miles. So I am not looking for the transaxle to last 200,000 miles or so.
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I just got a 2006 Prius and I brought to Toyota dealer to do a regular oil change. After that, been told that I'll need a Inverter Coolant and Transaxle fluid change in next maintenance point.
This prius already has 111,000 mile now.
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How to do the transaxle fluid change and finally did it myself. I dropped and clean the pan and put new gasket. The MPG dropped a little, I was getting 44.6 before fluid change and after fluid change it dropped to 43.3 ... Why this happened.
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Just changed transmission fluid and filter at 175,000 on my 2000 V-10 and now I have a whinnying sound and shifting that does not feel sure footed. It worked fine before the change. Fluid is synthetic and filter is Ford Motorcraft. Did it just go?
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Took my 2007 Prius into the local Valvoline where they said they could drain and refill the transaxle fluid. The guy undid the bolt a bit and said he got fluid mixed with water, no odor. He closed it back up and refused to further service it due to liability. I think he opened the drain for the inverter coolant, not the transaxle fluid drain plug. When I called them back, the guy said he used a standard wrench to remove the bolt. NOT a 10mm hex key.
I drove the car home about 3 miles, but now I'm concerned about possible damage to the engine, how much fluid he let out, but the inverter coolant tank appears full.
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So we are planning on going on a 800 mile round trip in your 06 sonata this next week, and I am wanting to replace the transaxle fluid in it, seeing I dont think it has ever been changed, or at least not for a long time. Any tips on this? I have bought the vavoline transaxle fluid that is SPIII rated for hyundais.
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My mechanics found today when the car is on the lift, that the transaxle oil is leaking a little. I can see the fresh oil there (not dipping though). He said to open the transaxle and change the gaskets probably will cost $300.
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I have a 2010 Prius, currently at around 69,000 miles. Back in Feb 2015 (when it was just under 60,000) I was driving on a city street and hit the accelerator once a stoplight turned green - immediately as I took off (at a normal rate of acceleration) my 2010 Prius made a loud noise and I got the red triangle of death, with a "Check Hybrid System" message. The car quickly shifted into "limp home" mode and I was able to make it back home as I was only about a mile away.
Got towed to the nearest dealer the next morning and after tons of testing and going back and forth, they replaced the transmission and inverter (was able to get it covered under powertrain warranty), and I was on my merry way. No issues until last night.
Yesterday evening, I am on a city street and get a warning beep. I look at my dashboard and this time I have a yellow exclamation mark with the "Check Hybrid System" message yet AGAIN. Towed the car to the nearest dealer and am now waiting on next steps. Only update I've gotten so far is that they are still trying to diagnose the issue, and are getting 4 error codes in this process, 2 of which are new. I am waiting on the technician to tell me what the actual codes are - hopefully should get them tomorrow.
I would hope if it's another issue with transmission or inverter, it's covered under warranty given I replaced both less than a year ago. However I'm not sure and am worried that it's going to be $$$ in case it's something else that failed. Plus I'm getting serious doubts as to the safety of my car - what if I had been moving at a high speed on the highway during either of these situations?
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I have an 08 Prius it has done 190,000 miles last week it suddenly started shaking from what felt like the transaxle. The car still drove and seem to shake a lot worse when it was in park or reverse it definitely felt like it was a bearing or something mechanical broken in the trans unit. After a bit of research I decided to remove the trans, strip it down and have a look convinced that I would find fragments of bearing or something blatantly wrong. Yesterday I removed the unit (nothing to be scared of, dead easy really) and today I have stripped the transaxle down (after viewing a very useful youtube video) much to my disappointment I cannot see anything wrong I am now thinking I was a bit too hasty and maybe it could be something else.
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I started to notice a slight whine when I turn the wheel. My fluid is at low but it's pretty dark and I'm not sure if it was ever changed or when. I have 100k miles. What fluid should I use?
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Doing trans fluid change on the 2009 -2012? Is it the same as myCD4E drain 4 refill? I know its a different fluid probably buy from Ford.
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My 2004 Prius Transaxle overheats and causes a warning on the dash. When I checked the fluid level I found pink foam in the resevior. Do I need to replace the fluid or bleed the system. Also the AC shuts down when this condition occurs.
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I seem to have gotten a hum coming from the front end when I reach 40mph & higher. Todate, I have not gotten any warning lights, red trinagle etc, but wanted to see if maybe there were some codes thrown.
Lastnight, I put the front on jack stands & had my wife put the car in D & step on the gas while I was laying under the car. The noise is coming from the transmission where the axles plugin. My fear is I need a new tranny.....but if its a code related to the hybird system, I might be covered under warranty.
By the way, my Prius is a 06 w/ 108xxx miles. I changed the CVT fluid around 70xxx miles.
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Car was deemed a total loss. I didn't think the damage was too bad and one of my friends at a bodyshop told me to go ahead and do a car buy back that I can't go wrong with a prius. My mother said $20 gas a week. So I did and gave my mom the difference. The Car drives going forward and in reverse just find. Besides the body damage I got underneath the car and I see a bent tie rod end and maybe a lower control arm. The thing is when I hop inside to move the car I notice the car reads transaxle disengaged and battery system won't charge in neutral.
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My 07 Prius is leaking transaxel fluid into the inverter cooling system. Transaxel fluid is sweating through the inverter coolant hoses. Before my taking ownership of this vehicle, it had previously been in a front end collision (that’s a whole other story). Anyhow – if I replace the radiator, should that take care of this problem? Are there any other ways these two cooling fluids could become cross contaminated?
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Recently replaced the transaxle fluid on my 2007 Prius with 47,000 miles. This was the first time the transaxle fluid has been changed in the vehicle. After removing the drain plug I noticed a substantial amount of a thick, grease type substance on the bottom of the plug. When they have change the transaxle fluid on their vehicles? I found minimal metal shavings on the plug, but was concerned on the thick sludge/grease substance on the bottom of the plug. The ATF fluid that I drained was very dark. Definitely not close to the red color of new ATF WS fluid.
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I have replaced a bad module in the HV battery and balanced it. Inverter coolant pump has been checked and inverter coolant has been replaced. Engine coolant has been drained and refilled. (Both coolant jobs followed Haynes manual guide including bleeder valves.) Transaxle fluid is full.
After each step of troubleshooting I have done a test-drive. Warnings come on consistently within 2-2.5 miles, day or night. I do not have a scan tool, but I do have the trouble codes from Toyota (all prior to my repairs). Is it possible that a bad ECT sensor could trigger all of this?? Is there something else I can check?
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The "Check Hybrid System" message came up on my dashboard. I took it to the dealer, and they said the temperature sensor on the transaxle was giving erratic readings. Unfortunately, they said that the only way to fix it is to replace the entire transaxle. They said I could keep driving it and that it would probably go into disabled mode before it caused any more damage. What I should do? It's a rebuilt 2012 Prius with 25k miles.
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