2009 Sedan Auto Transmission Oil Change DIY

[09sedan]

anyone have a DIY manual on how to change tranny oil for the automatic transmission on a 2009 toyota Yaris ? (drain and fill) im just reaching 50k km and would like to change it.:biggrin:

[CTScott]

There are basically two ways to do it yourself:

1. Drain via drain plug and fill via dipstick tube - Remove the drain plug from the bottom of the AT (using a 10mm allen wrench). Measure the amount that drained (which will be significantly less than the total capacity). Refill that same amount via the AT dipstick tube. Run the engine until the AT warms up, then check fill level, via dipstick. When I do this method with a vehicle I repeat it two or three times over the course of a couple of weeks to attempt to replace as much as possible. Basically I am diluting out the old fluid by doing this.


2. Drain via drain plug and AT cooler lines - Same as above, except also disconnect the hoses that connect the AT to the oil cooler portion of the radiator (it is easiest to disconnect where the rubber hoses meet the steel tubing). This allows you to also drain the oil cooler and tubing, so you are changing a bit more of the fluid than with the drain plug alone. When I do this method I blow out the oil cooler using compressed air.


With both of these methods quite a bit of fluid remains within the valve body and torque converter. Last summer I disassembled an automatic transmission to ship it to a YW member in Russia. Between the valve body and torque converter I removed almost two additional quarts of ATF.

[09sedan]

awesome, thanks for the info, ill get my mechanic to drain and fill it the first option. and ill do it 2-3 times to clean out the fluid. my mechanic says to never do a flush. it has 45k kms on it now, i plan to change AT every 50k (better safe then sorry especially when it comes to transmission and engine oil).

[auxmike]

I just changed mine Yesterday at 50k miles. I ordered a new drain plug and gasket. The gasket is NOT the same one as the one used for the oil changes. It's white aluminum and has a larger diameter hole punched out in the middle. Also I was able to use a 3/8" allen wrench that I luckily found in my Dads garage so I didn't have to buy a whole set. I slid a floor jack handle over it since the allen wrench is way too short and the plug was on TIGHT! The fluid comes out burning hot be sure to wear gloves. I got exactly 3 quarts out of my car. I added 2.75 quarts to allow a little room since I though the factory fill may have been a wee bit high. I bought 4 quarts on Ebay for $40 shipped to my door. Saved the trip/gas to the dealer and no tax. The fluid that came out sure wasn't nice and red and transparent like the new stuff. It was dark and ashy purple in color. I can't imagine never changing it for the life of the car like Toyota tells you on the dipstick sticker. I filled it back up through the dipstick hole with a handy plastic tranny funnel that has a clear hose on it so you can monitor the fluid flow.
It appears that the fluid level changes from when the engine is stone cold in the morning to when it's hot. Also when checked hot with the engine running it goes down even more. The owners handbook totally ignores the A/T and doesn't even tell you how to check the level or where the A/T dipstick is!
Overall, this isn't hard to do...:headbang:

[potorap]

Hey guys,
What type of tranny fluid does the Yaris take? Thanks.
Richard

[YarisSedan]

its ATF WS

[CTScott]

Hey guys,
What type of tranny fluid does the Yaris take? Thanks.
Richard

Toyota ATF WS only (so says Toyota).

[auxmike]

It not cheap either...

[potorap]

Thanks, is it necessary to drop pan and replace filter?
Just did some research and looks like about 9-10 bucks a quart.

[CTScott]

Thanks, is it necessary to drop pan and replace filter?
Just did some research and looks like about 9-10 bucks a quart.

Theoretically it isn't necessary to do the filter, but dropping the pan to do so also lets you see how much the magnets have picked up.

[potorap]

Scott, do you recommend it at 100k?

[CTScott]

Scott, do you recommend it at 100k?

By 100K I would definitely change the filter.

[potorap]

Scott, that's what I thought also. Thanks for the confirmation. Is it a tough job, besides being messy?
Richard

[CTScott]

Scott, that's what I thought also. Thanks for the confirmation. Is it a tough job, besides being messy?
Richard

On the Yaris it is actually a very easy job, since there is nothing in the way.

[potorap]

O'reilly's auto parts has a filter kit for $16 with gasket. That's cheap.

[potorap]

Scott,
If I choose to do the oil change 2-3 times to get most the oil out should I wait to change the filter on the last drain?

[CTScott]

Scott,
If I choose to do the oil change 2-3 times to get most the oil out should I wait to change the filter on the last drain?

That would make sense. That way you put the new filter in with as much fresh fluid as possible.

[potorap]

Thanks Scott, have a great night.
Richard

[YarisSedan]

If your are concerned you could take your vehicle to a transmission shop such as aamco that has a transmission flush machine. They disconnect the lines to the cooler and introduce the machine in its place. The dirty fluid goes into the machine and fresh clean fluid goes back in. Dialysis for your transmission. That way you get 100 percent fluid exchange and needs to be only done once. Afterwards they will drop the pan and change the filter and gasket.

Typical cost is about 250

[potorap]

Scott,

Bought 6 quarts of WS tranny fluid at the dealer Friday asked for a discount and got it for $7.29 a quart instead of $ 9.33. Drained the fluid today and got 3 1/2 quarts out. Very easy job, I re-used the drain plug and gasket and have no leaks, not sure why some have replaced them. I was reading your comments from another thread that the capacity is 5.68 quarts, is this correct?

Thanks for your help.
Richard

[CTScott]

Scott,

Bought 6 quarts of WS tranny fluid at the dealer Friday asked for a discount and got it for $7.29 a quart instead of $ 9.33. Drained the fluid today and got 3 1/2 quarts out. Very easy job, I re-used the drain plug and gasket and have no leaks, not sure why some have replaced them. I was reading your comments from another thread that the capacity is 5.68 quarts, is this correct?

Thanks for your help.
Richard

The total capacity is 5.68 qts, but the only way to get that much out of the tranny is to disassemble it and drain the valve body and torque converter. A complete pressure flush as mentioned above would change out most of it, or you can run it for a bit with what you changed out, and then drain and refill it again to swap out a bit more of it.

[potorap]

Scott,
I travel about 125 miles a day and my plan is to drain it again in about 3-4 weeks, drop the pan, change the filter and refill. Upon reinstallation of the pan, should I use any silicone on the block/pan, or put in on dry? is there a pattern to tighten the bolts and what is the torque specs? Thanks.
Richard

[CTScott]

Scott,
I travel about 125 miles a day and my plan is to drain it again in about 3-4 weeks, drop the pan, change the filter and refill. Upon reinstallation of the pan, should I use any silicone on the block/pan, or put in on dry? is there a pattern to tighten the bolts and what is the torque specs? Thanks.
Richard

There's an OEM gasket for the pan, so get a new one along with the filter, and no silicone is required. The torque on the pan nuts is only 69 in-lb, which is a whole lot less than you would expect. There isn't a specific pattern for tightening the 19 bolts,

[potorap]

Scott,
Man you're right only 69lbs, that's not very much. The wix filter I am looking at has a gasket with it. Do you recomend the OEM gasket only? Thanks for the help.
Richard

[CTScott]

Scott,
Man you're right only 69lbs, that's not very much. The wix filter I am looking at has a gasket with it. Do you recomend the OEM gasket only? Thanks for the help.
Richard

That's 69 in-lbs, which is just under 6 ft lbs.

The Wix filter/gasket should be fine.

[potorap]

Scott,
Gotcha 6 ft-lbs, thanks again. I will let you know how it goes. Take care.
Richard

[potorap]

Ok guys,

Just finished dropping the tranny pan and replacing filter. This was the second draining and I am satisfied with job. I am surprised at the amount of metal in the pan and on the old filter. I do not understand why Toyota doesn't recommend a filter change, except for us to purchase a new tranny.Thanks to Scott for the advice on filter change at 100k. I do feel a considerable improvement in shifting and that I believe was the filter change. Another tidbit I discovered today upon recycling the oil and filter. O'reilly auto parts (west coast only?) sells global ATF which on the back of the quart say it is compatible with WS and it is $6 a quart.

[Everglade]

Why my 2007 Yaris user manual says - total volume of ATF is 2.5 Litres?

[frog13]

As mentioned above , it is only a drain and re-fill , not a disassembly of the transmission .

[yarisbird]

There's an OEM gasket for the pan, so get a new one along with the filter, and no silicone is required. The torque on the pan nuts is only 69 in-lb, which is a whole lot less than you would expect. There isn't a specific pattern for tightening the 19 bolts,

Hi CTScott, do you or any of the forum members know what the torque spec is for the transmission drain plug? I read on another thread that a member tightened the drain plug to 35 lb-ft but that seems excessive. Thanks.

[thetut]

From the manual:

DRAIN AUTOMATIC TRANSAXLE FLUID
(a) Remove the drain plug and gasket, and drain ATF.
(b) Install a new gasket and the drain plug.
Torque: 49 N*m (500 kgf*cm, 36 ft.*lbf)

[06YarisRS]

When I spoke with the local Toyota dealership, they recommended only a drain and fill and not to replace the filter. That's how they said they service the transmission. Transmission filters and gaskets are a 'special order' item. I had ordered a filter from Rock Auto and it did not come with a gasket. I cheaped out and am now regretting it. So far, I have drained and refilled 3 times. I am going to have toyota order me a gasket and in a few months I'll replace the filter and top up again. Local dealer sells the Toyota WS for $7.95/L (CAD).

[yarisbird]

From the manual:

DRAIN AUTOMATIC TRANSAXLE FLUID
(a) Remove the drain plug and gasket, and drain ATF.
(b) Install a new gasket and the drain plug.
Torque: 49 N*m (500 kgf*cm, 36 ft.*lbf)
Thanks!

[thetut]

You're welcome. Good luck with your Drain and Fill.

[white89gt]

My Yaris was given to me by a family member that purchased it new, and never serviced the trans. I got it with 121,000 miles on the clock - so I did it myself. My Buddy that owns a transmission shop just happened to come over in the middle of me changing the fluid. My initial intent was to do a drain and fill, but he talked me into dropping the pan and filter. Boy was I happy he did. The OEM filter was nearly plugged. Black stuff was all over it inside.... it was clearly doing its job.

I live about 35 miles from his shop, so we just got a filter and gasket kit from O'Reilly. Not a very high quality set, but better than what I was dealing with. I am going to change it again in a couple months with a Toyota filter, but I thought I'd share that info with you.

Also of note... I used Valvoline Maxlife in it, and it drastically improved shifting. I also needed just under 5 quarts to fill it. I am guessing that the converter drained some out as well - because it sat draining for an hour or so while I went to the part store.

[kevinj93]

Also of note... I used Valvoline Maxlife in it, and it drastically improved shifting. I also needed just under 5 quarts to fill it. I am guessing that the converter drained some out as well - because it sat draining for an hour or so while I went to the part store.

Which engine do you have? 1NZ-FE (1.5l) or 2NZ-FE (1.3l)? The different engines have a different auto transmission and use different fluids.

[WeeYari]

^

I'm guessing member location of UT = Utah = United States = 1NZ

Sent from my Elite_5_5_Octa using Tapatalk

[dave mac]

Scott, question on that dipstick, Toyota is so reticent on that trans, or even checking the level. Even the dipstick doesn't say where the level should be hot vs cold. I have an '07 w/ a/t, the dipstick has two notches near the tip, then about an inch of nothing, then two notches again further up from the tip. I am assuming the two by the tip are "lo & hi cold" and the two further up are "lo & hi hot"? Where should it be after a 45 mile hwy ride in 45deg F temps? Mine was on the lower of the two upper ones (farthest from the tip). F'ing Toyota can't just mention this in the book or on the stick. They waste ink & paper telling you how to clean the tape heads in a tapedeck and leather seats in a car that does not come with either! Thx, Dave-