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2010 Sienna "lifetime" transmission fluid plan- WS #4496978
08/24/17 01:26 PM
08/24/17 01:26 PM
Joined: Oct 2015
Posts: 440
MN
TmanP Offline OP
TmanP  Offline OP
Joined: Oct 2015
Posts: 440
MN
Our 2010 Sienna was the last year of its body style. Toyota was transitioning to sealed transmissions but ours still has the dipstick. Toyota recommends in the owners manual to change it only if the van is used for towing. At 140k miles, it still shifts acceptably, but not as well as it used to, particularly when cold. I stopped at the dealer and asked what they charge to change ATF. He said that it wasn't anything that they do unless the car has transmission issues. And he wouldn't give me a price. (The transmission uses Toyota WS- world standard fluid)

So, what to do?

-Change 3 quarts via dipstick tube (I did this on my Buick successfully)

-take it to an independent shop and have it changed or flushed

-do nothing and keep driving

(We'll have the van for another many years and thousands of miles)


2012 Toyota Camry 2.5 30,000 mi
2015 Chevy Silverado LT Z71 5.3 V8 30,000 mi
2010 Toyota Sienna 3.5 V6 150,000 mi
Re: 2010 Sienna "lifetime" transmission fluid plan- WS [Re: TmanP] #4496982
08/24/17 01:34 PM
08/24/17 01:34 PM
Joined: Aug 2011
Posts: 3,159
n.c.
gman2304 Offline
gman2304  Offline
Joined: Aug 2011
Posts: 3,159
n.c.
I've 'siphoned and filled' my 2005 Chevy 4L60e several times over the years. It just tripped 190,000 miles and shifts like butta. YMMV, but this method has worked for me.

Re: 2010 Sienna "lifetime" transmission fluid plan- WS [Re: TmanP] #4496984
08/24/17 01:38 PM
08/24/17 01:38 PM
Joined: May 2012
Posts: 5,387
Fort Lauderdale, FL
DoubleWasp Offline
DoubleWasp  Offline
Joined: May 2012
Posts: 5,387
Fort Lauderdale, FL
Lol. They don't change it unless the trans has issues? That's exactly when it shouldn't be changed. Like fireproofing a house after its on fire.

Do some suction changes through the dipstick. I don't trust a flush place to actually perform the flush.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: 2010 Sienna "lifetime" transmission fluid plan- WS [Re: DoubleWasp] #4496986
08/24/17 01:39 PM
08/24/17 01:39 PM
Joined: Oct 2015
Posts: 440
MN
TmanP Offline OP
TmanP  Offline OP
Joined: Oct 2015
Posts: 440
MN
That's exactly my thought... the opposite of "preventative maintinence"!


2012 Toyota Camry 2.5 30,000 mi
2015 Chevy Silverado LT Z71 5.3 V8 30,000 mi
2010 Toyota Sienna 3.5 V6 150,000 mi
Re: 2010 Sienna "lifetime" transmission fluid plan- WS [Re: TmanP] #4496989
08/24/17 01:41 PM
08/24/17 01:41 PM
Joined: Jul 2017
Posts: 72
Charlotte
planeman223 Offline
planeman223  Offline
Joined: Jul 2017
Posts: 72
Charlotte
Just try a different dealer. The sheep behind the counter will believe anything Toyota/Lexus tells them. I'd do a drain and fill twice, during your next two oil changes.

Re: 2010 Sienna "lifetime" transmission fluid plan- WS [Re: gman2304] #4496996
08/24/17 01:46 PM
08/24/17 01:46 PM
Joined: Feb 2014
Posts: 2,491
Canada
Lolvoguy Offline
Lolvoguy  Offline
Joined: Feb 2014
Posts: 2,491
Canada
Originally Posted By: gman2304
I've 'siphoned and filled' my 2005 Chevy 4L60e several times over the years. It just tripped 190,000 miles and shifts like butta. YMMV, but this method has worked for me.

+1
thumbsup


06 Lexus IS350- Wife
88 BMW 325is- Mistress
Re: 2010 Sienna "lifetime" transmission fluid plan- WS [Re: TmanP] #4496998
08/24/17 01:47 PM
08/24/17 01:47 PM
Joined: Dec 2002
Posts: 42,088
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,088
New Jersey
Call another dealer.

Often dealers get squirrely on "high mileage" ATs without established maintenance, this was the case even in the old days... Its easy to get a dissatisfied customer who brought in a never maintained AT in a big, heavy vehicle, when the fluid change releases something, clogs something, etc.

I would have been more proactive about it much earlier on, so that any failure point would be relatively established to not be due to fluid issues. Cant change that now, so IMO if the vehicle was something I was planning to keep for 100k or more beyond what is on it, Id get the fluid changed (is there an integrated or inline filter?), and accept that it may cause operating issues on the AT. This way youve baselined the fluid and AT (may want to change some fluid a few times since it has been so long), and if anything fails down the line, it was likely destined for it anyway. But if you were planning to get rid of the van in the next 10-50k miles, Id probably live with it.

Re: 2010 Sienna "lifetime" transmission fluid plan- WS [Re: TmanP] #4497004
08/24/17 01:54 PM
08/24/17 01:54 PM
Joined: Oct 2014
Posts: 1,224
NoVA
Jimzz Offline
Jimzz  Offline
Joined: Oct 2014
Posts: 1,224
NoVA
Your van should have a drain plug. Might need a allen head tool to take it off.

Do a drain and fill now and then at your next oil change do it again. I use valvoline maxlife in Toyotas with great results. Much better than the Toyota fluid.


yup
Re: 2010 Sienna "lifetime" transmission fluid plan- WS [Re: TmanP] #4497014
08/24/17 02:03 PM
08/24/17 02:03 PM
Joined: Aug 2004
Posts: 1,364
VA
Rhymingmechanic Offline
Rhymingmechanic  Offline
Joined: Aug 2004
Posts: 1,364
VA
Does it have a drain plug? Many Toyotas do. On my 2010 Vibe (Matrix clone) a trans drain and fill is easier than an engine oil change.

A drain plug would let you at least do a few drain & fills, and makes a pan drop easier if you decide to change the filter.

WS can be found at the dealership and some parts stores. I got a lot of it reasonably priced from a Toyota dealer in Kalamazoo that sells parts online. A lot of people use Maxlife as a substitute. Be sure to get a few crush washers that fit your drain plug.

Re: 2010 Sienna "lifetime" transmission fluid plan- WS [Re: TmanP] #4497056
08/24/17 02:30 PM
08/24/17 02:30 PM
Joined: Apr 2012
Posts: 3,159
Boston, MA
Bgallagher Offline
Bgallagher  Offline
Joined: Apr 2012
Posts: 3,159
Boston, MA
I would look for a drainplug. Good chance it has one. If you don't see one, the siphon method works too. I would also consider changing it again in a few weeks as well.


2017 Chevy Traverse - 28k - Delco Dexos 1 and PF63
2014 Chevy Equinox - 22k - Delco Dexos 1 and PF457G
2015 GMC Terrain - 22k- Delco Dexos 1 and PF457G
Re: 2010 Sienna "lifetime" transmission fluid plan- WS [Re: TmanP] #4497057
08/24/17 02:33 PM
08/24/17 02:33 PM
Joined: Oct 2016
Posts: 167
MN
ZebRuaj Offline
ZebRuaj  Offline
Joined: Oct 2016
Posts: 167
MN
Personally, I just drain and fill. Having the dipstick helps to fill and confirm levels. There's always a drain hole, usually with an 10 mm allen key.

My 07 4Runner is "sealed" unit. No dip stick. Uses computer to put tranny into check mode (by temperature) to correctly test ATF full level. 3 drain and fill's completed with Maxlife ATF with the last 3 oil changes. Currently at 156k.

Wife's 11 Rav4 has the dip stick like your van before they fully committed to removing the dip stick. 2 drain and fills completed. 1st time was with WS since still under warranty. Last was on Maxlife ATF. Currently at 91k.

I like to measure what I get out and put the same amount back in. Crude way, but hasn't given me problems yet. Just make sure the tranny pan and ATF bottles are at the same ambient temperature so there's no discrepancy with ATF expansion when doing the measuring. Checking before/after with the dip stick provides peace of mind too.




~Shade tree mechanic for friends and family.
Re: 2010 Sienna "lifetime" transmission fluid plan- WS [Re: TmanP] #4497061
08/24/17 02:41 PM
08/24/17 02:41 PM
Joined: Sep 2010
Posts: 7,485
S California
OneEyeJack Offline
OneEyeJack  Offline
Joined: Sep 2010
Posts: 7,485
S California
I do a lot of desert driving and towing with my 03 V8 4Runner and I just drain and refill with Red Line D4. This cycles about 4 quarts back into the system. At 165+ there have been no problems and it shifts like it always shifts. When towing the trailer at between 3K/5K pounds on unimproved dirt roads the transmission spends a lot of time shifting back and forth in the lower gears so it's getting worked. If this kind of maintenance with D4 was not up to the job I think I would have experienced some kind of problem by now.

Re: 2010 Sienna "lifetime" transmission fluid plan- WS [Re: OneEyeJack] #4497080
08/24/17 03:05 PM
08/24/17 03:05 PM
Joined: Oct 2016
Posts: 167
MN
ZebRuaj Offline
ZebRuaj  Offline
Joined: Oct 2016
Posts: 167
MN
Toyota changed ATF from T-IV to WS around 03/04 years IIRC.

OP should stick to WS or WS alternative/compatible ATF.

Re: 2010 Sienna "lifetime" transmission fluid plan- WS [Re: ZebRuaj] #4497086
08/24/17 03:16 PM
08/24/17 03:16 PM
Joined: Jan 2004
Posts: 4,157
California
nthach Online content
nthach  Online Content
Joined: Jan 2004
Posts: 4,157
California
Originally Posted By: ZebRuaj
Toyota changed ATF from T-IV to WS around 03/04 years IIRC.

OP should stick to WS or WS alternative/compatible ATF.

My parent's 05 still used T-IV, it was when the 3MZ-FE was dropped in favor of the 2GR-FE, probably in 06/07. Toyota does things including fluid spec changes as part of a "minor/major update".

If you got a dipstick, do a drain/fill with WS, MaxLife or Castrol FSIMV. Wouldn't hurt to drop the pan and swap the filter out, which is a doable DIY job but there are 2 PITA bolts close to the subframe that can be stripped if you're not careful.

Re: 2010 Sienna "lifetime" transmission fluid plan- WS [Re: TmanP] #4497136
08/24/17 04:17 PM
08/24/17 04:17 PM
Joined: Nov 2012
Posts: 260
Ajax,Ontario, Canada
Pelican Offline
Pelican  Offline
Joined: Nov 2012
Posts: 260
Ajax,Ontario, Canada
Originally Posted By: TmanP
Our 2010 Sienna was the last year of its body style. Toyota was transitioning to sealed transmissions but ours still has the dipstick. Toyota recommends in the owners manual to change it only if the van is used for towing. At 140k miles, it still shifts acceptably, but not as well as it used to, particularly when cold. I stopped at the dealer and asked what they charge to change ATF. He said that it wasn't anything that they do unless the car has transmission issues. And he wouldn't give me a price. (The transmission uses Toyota WS- world standard fluid)
So, what to do?
-Change 3 quarts via dipstick tube (I did this on my Buick successfully)
-take it to an independent shop and have it changed or flushed
(We'll have the van for another many years and thousands of miles)


You should have changed it at 60K, but since we are here at 140K I would not do a flush/exchange by machine, but a drop & fill, much less likely to cause problems. You're lucky to have a dipstick, makes the whole thing easier. I would, as others have said, change the filter as well and would only use a WS approved fluid.

Last edited by Pelican; 08/24/17 04:17 PM.
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