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Old 01-17-2012, 11:04 PM   #1
rossman
 
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How to replace auto tranny fluid

I need to replace the tranny fluid in my 2006 auto Yaris.

I have purchased the 4 liters and gasket but cant locate the drain plug...Also I am not sure if it is filled from the dip stick.

Any advice would be great!

Thanks
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Old 01-17-2012, 11:17 PM   #2
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There is a drain plug on the pan. It is a flat plug which requires a allen wrench to remove. Filling is done via the dip stick tube.
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Old 01-19-2012, 10:50 PM   #3
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the yaris(not echo) requires no auto tranny fluid change
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Old 01-20-2012, 12:56 AM   #4
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That's impossible.. it will need one eventually
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Old 01-20-2012, 08:58 AM   #5
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Originally Posted by Betrivent View Post
That's impossible.. it will need one eventually
And, the transmission actually knows when it needs to be changed. While I was doing my experimentation with bypassing the 4th gear lockout when cold, I found that when you read the data for the AT from the ECM that there is a parameter for the status of the AT fluid that says if it needs to be changed.
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Old 01-20-2012, 11:46 AM   #6
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:O Any way for regular users like us to retrieve that parameter? OBD-II (wishful thinking)?
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Old 01-20-2012, 11:52 AM   #7
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:O Any way for regular users like us to retrieve that parameter? OBD-II (wishful thinking)?
It is an enhanced PID, as opposed to standard OBDII PID, but theoretically it could be added as an xgauge to a ScanGauge II. I haven't sniffed the CAN comm to figure out the messaging yet, as I was using my TechStream system when I found it.
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Old 01-20-2012, 07:18 PM   #8
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I've always thought that the yaris required no fluid change as it was good for the life of the car. It even says so on the dipstick tube lol. I guess I'll just hold off until I hit 100k.
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Old 01-21-2012, 12:42 AM   #9
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Someone we know had the auto tranny fluid in their '06 Corolla replaced at 100,000 miles . This should apply to the Yaris as well , both use the WS automatic transmission fluid .
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Old 01-22-2012, 07:33 AM   #10
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Two Toyota dealerships insisted that the fluid in the Yaris was formulated to not need changing for the life of the car. Other models do need the fluid flushed but not the Yaris. Maybe Toyota wants these transmissions to wear out eventually and this is why they say what they say. I'd like hear a good reason for changing the fluid and at what intervals.
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Old 01-22-2012, 09:51 AM   #11
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My 1979 Chevy Silverado I gave my brother in law has 350,000 miles on the origional fluid.

Three engines though...
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Old 01-24-2012, 01:47 PM   #12
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The info i found awhile back is on another computer but it goes like this .

For the Toyota U340E autmatic transaxle, the fluid should be changed at 60k miles if vehicle is operated in severe service applications to include repeated short trip driving of less than 5 miles when the ambient temp is at 0 or less . If IRCC, that noted temp is in celcius .

I will find the origin URL and post it when i have time but if needed quicker , just search Toyota U340E autmatic transaxle service and you might have to use Vitz in the search. It was in a parts schematic of the transaxle and an aterisk noted the service schedule.
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Old 01-26-2012, 01:22 AM   #13
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I ended up replacing the fluid thanks for the response. I have 190,000 km on it and think it was due. The used ATF was darker then the new stuff but I think I could have let it go longer. Based on Toyota.ca's maintenance menu the ATF replacement is every 96,000 km.
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Old 02-28-2012, 02:21 PM   #14
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Hello,
I was told that the transmission service is a complicated procedure requiring computer connection/monitoring while refilling with the trans at a certain temp. This was from someone with vested interest in supplying this info (an independent garage specializing in Toyota/Scion/Lexus. Has anyone had any problems after DIY changing the Trans fluid? I have an '08 LB approaching 60K miles and a '10 5dr LB approaching 30K miles.
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Old 02-28-2012, 03:00 PM   #15
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Quote:
Originally Posted by formulation View Post
Hello,
I was told that the transmission service is a complicated procedure requiring computer connection/monitoring while refilling with the trans at a certain temp. This was from someone with vested interest in supplying this info (an independent garage specializing in Toyota/Scion/Lexus. Has anyone had any problems after DIY changing the Trans fluid? I have an '08 LB approaching 60K miles and a '10 5dr LB approaching 30K miles.
That is pretty amusing and definitely not correct. Modern automatics should not be pressure flushed, so simple drain and refill is all that is required. A complete draining would actually require removing the transmission and disassembling to purge the valve body and torque converter.

I personally have done a fluid change (twice) on my snow plowing Yaris. The first time I used Dextron IV and I did notice that it didn't shift as smoothly cold, so I drained it again and I used Toyota WS ATF.
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Old 02-28-2012, 05:14 PM   #16
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My 09 Yaris Sedan auto tranny has no dipstick. Also says in the book No fluid change as it is good for the life of the car. Even the Dealer says the same.
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Old 02-28-2012, 05:41 PM   #17
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Originally Posted by LA Yaris View Post
My 09 Yaris Sedan auto tranny has no dipstick. Also says in the book No fluid change as it is good for the life of the car. Even the Dealer says the same.
You might want to take a closer look. The automatic has a dipstick. As for the changing interval - This seems to get discussed at least weekly here.

AUTOMATIC TRANSAXLE

Fluid capacity (drain and refill), L (qt.,
Imp. qt.): 2.5 (2.6, 2.2)

Fluid type:
Toyota Genuine ATF Type WS

Change automatic transmission fluid only
as necessary.

Generally, it is necessary to change
automatic transmission fluid only if your
vehicle is driven under one of the Special
Operating Conditions listed in your
“Scheduled Maintenance Guide” or
“Owner’s Manual Supplement”. When
changing the automatic transmission fluid,
use only “Toyota Genuine ATF Type WS”
(ATF JWS3324 or NWS9638) to aid in
assuring maximum transaxle performance.
Notice: Using automatic transmission
fluid other than “Toyota Genuine ATF
Type WS” may cause deterioration in
shift quality, locking up of your transmission
accompanied by vibration, and
ultimately damage the automatic transmission
of your vehicle.
Please contact your Toyota dealer for further
details.


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Old 02-28-2012, 07:28 PM   #18
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CT, are we to understand that if we want to do this at home we just need buy 3 quarts for a DIY drain and fill?
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