100 Series V8 Land Cruiser - automatic transmission service

Submitted: Friday, Jul 15, 2016 at 09:58
ThreadID: 133009 Views:10816 Replies:8 FollowUps:9
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I have a 2006 100 Series V8 Land Cruiser, I was looking at the service book and noticed that the automatic transmission never requires any service. I have 180,000 km on the vehicle and tow 1.8t van. My question is should you have the automatic transmission service? I have never had any problems and the transmission is running well. Looking for your thoughts
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Reply By: Malcom M - Friday, Jul 15, 2016 at 10:13

Friday, Jul 15, 2016 at 10:13
fluid should be changed at some point as heat kills it.
AnswerID: 602437

Reply By: Member - Bigfish - Friday, Jul 15, 2016 at 10:49

Friday, Jul 15, 2016 at 10:49
I had a v8 falcon that also had a sealed for life transmission. I still think that at 180,oooklms the auto should have a full flush if you intend to keep the vehicle. Especially if towing. It certainly cant hurt!!
AnswerID: 602439

Reply By: Member - bbuzz (NSW) - Friday, Jul 15, 2016 at 11:07

Friday, Jul 15, 2016 at 11:07
You are kidding?
I have always serviced my auto every 20,000km.

Talk to a service centre about it.

Ignore the incredulous looks and the rubbing of the hands together!

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AnswerID: 602441

Reply By: Athol W1 - Friday, Jul 15, 2016 at 11:21

Friday, Jul 15, 2016 at 11:21
At 180k I certainly would be carrying out some sort of service, if only a full oil change (including the torque convertor). A minimum of 12 litres is required for that change, and much more if the old oil is in poor condition.
I would also suggest that you have an additional oil cooler fitted at the same time.
It is heat that kills both oil and transmissions, and damaged oil kills transmissions.
Sealed for life means just that, sealed until the transmission dies, not the life of the vehicle. Good oil will delay that death.

Hope this helps. Regards
AnswerID: 602442

Follow Up By: TomH - Friday, Jul 15, 2016 at 12:56

Friday, Jul 15, 2016 at 12:56
Dont know about the V8 but the TD has an oil cooler in front of the radiator and air con. The trans is supposedly sealed for life but I had mine done at 135000 because the oil smelt a little bit burnt and was getting slightly dirty.
Make sure you get it done by Toyota because those trannies use WS oil which only Toyota has. I unfortunately didnt and had to get it reflushed and filled with the right oil after a Tranny "Expert" put Transmax in it and nipped an O ring when they reassembled it. they also filled it incorrectly. There is also a special way to fill it. It actually gets done from the bottom NOT the plug on the side near the top and is then run for a while while connected to a laptop and temps etc are measured.
It cost me a lot of money as a result of trying to save some by avoiding Toyota.
FollowupID: 872027

Follow Up By: Athol W1 - Friday, Jul 15, 2016 at 14:12

Friday, Jul 15, 2016 at 14:12
Whilst Toyota do fit both an oil to water cooler (n the radiator) and an oil to air cooler (in front of the radiator) if you are towing on a regular basis it is still a good idea to fit an additional oil to air cooler.

The Toyota WS oil is the correct oil to use, however they do not have a monopoly on the market as there are a number of vehicle makers using Aisin transmissions that all now use the same oil. Toyota's price is very competitive.

The transmission CAN be filled from the plug on the side, however that is not the method of checking for the correct fluid level. To check fluid level it in necessary to have a Scangauge (or similar) so that you can monitor the transmission temperature. At a temp range of 46 to 56 deg the oil should just be dribbling out of the check level plug in the sump with the engine running in Park and the vehicle on level ground.

FollowupID: 872029

Follow Up By: TomH - Friday, Jul 15, 2016 at 17:49

Friday, Jul 15, 2016 at 17:49
All true but Toyota told me it shouldnt be filled from the top as some do it by volume and overfill it. Obviously with the bottom plug still in. Thats what happened to me. Toyota do it with a pipe in the bottom to get the result as you say. In 2010 when I last had mine only Toyota had the WS oil, probably different now.

I had a trans oil temp gauge on mine and the only time it got hot was on the Wilunga hill on a very hot day. EGT temps were maxing out that day as well.

Rest of the time it sat around the 70 mark which is quite good.

So the factory oil cooler was obviously adequate for the 50,000k I used it for towing.
FollowupID: 872042

Follow Up By: Life Member TourBoy, Bundaberg - Sunday, Jul 17, 2016 at 13:22

Sunday, Jul 17, 2016 at 13:22
Nulon make a good WS oil, that is what I used in the TD100. Can get it at virtually any auto parts store.
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FollowupID: 872108

Follow Up By: TomH - Tuesday, Jul 19, 2016 at 10:06

Tuesday, Jul 19, 2016 at 10:06
Interestingly while it says it meets WS standards it also says this

Automatic Transmission Fluid that requires Toyota T-IV or
Honda ATF-Z1 performance.
It does not say usable with WS boxes

Likewise Castrol say to use Transmax
Models prior to August 2003 use CASTROL TRANSMAX MULTIVEHICLE. Models from August 2003 (refill plug marked 'WS') use CASTROL TRANSMAX FE MULTIVEHICLE.
But after the debacle with Transmax in mine I would never step away from Toyotas recommended oils for the auto.

Everyone to their own but now with my VW's its not safe to go away from VW approved oils.
However I run Penrite (approved) oil as I did in the Landcruiser.

FollowupID: 872161

Reply By: fisho64 - Friday, Jul 15, 2016 at 21:51

Friday, Jul 15, 2016 at 21:51
If you look a little closer at the service schedule you'll see that under "adverse conditions" which include highway driving, stop start driving, towing etc there is a different schedule and it covers the trans also.
AnswerID: 602464

Follow Up By: Member - Gadget - Saturday, Jul 16, 2016 at 11:10

Saturday, Jul 16, 2016 at 11:10
Thanks Fisho64 found the section Additional Service requirements. Vehicle has been to Toyota and other mechanics they never have changed the fluid over to my knowledge (I am sure I would have seen it on the bill). I always mention to them when I have gone on a trip or going on a trip. Next service I will ask for the oil to be replace.
FollowupID: 872073

Follow Up By: TomH - Saturday, Jul 16, 2016 at 11:40

Saturday, Jul 16, 2016 at 11:40
Start saving From memory it was about $15 a litre If cost me over $500 to have it power flushed with about 12 L and then filled with clean stuff.

Idiots put Transmax in it and far too much as well.
FollowupID: 872075

Follow Up By: fisho64 - Saturday, Jul 16, 2016 at 12:52

Saturday, Jul 16, 2016 at 12:52
Toyoata will not do it, they do not have the gear.
They can drain half and top back up.
Our local independant (Cams Auto repairs in the Midwest) has done both my 100 series and 200 series, about $500 using WS fluid including a power flush.
Get a transmission place to do it, if Toyota get them to do it they will add 50-100%
FollowupID: 872077

Reply By: Ron N - Saturday, Jul 16, 2016 at 10:48

Saturday, Jul 16, 2016 at 10:48
Moves by manufacturers to "sealed-for-life" components are nothing new - they're an attempt to reduce maintenance costs, and give them bragging rights in sales talk.

The idea does have some merit - contamination during oil changes and filter replacements and faulty re-assembly, is a known cause of component troubles.

Diff oil is usually never changed - although I like to change mine after many years and usually, a couple of hundred thousand kms.

However, with automatic transmission oils, a colour change to deep brown (best tested with oil dropped on some paper towel) - or a burnt smell from the oil, is a good indicator that an oil change would be of benefit in prolonging transmission life.

However, the oil colour change test only applies to vehicles using Dexron-type transmission fluids.
If you are running a Ford using Mercon automatic transmission oil, then the colour change is not a valid test, as Mercon is already a deep brown colour to start with.

Cheers, Ron.
AnswerID: 602475

Reply By: Echucan Bob - Monday, Jul 18, 2016 at 15:30

Monday, Jul 18, 2016 at 15:30
Mine's done 400,000 kms without a change. Perhaps I should schedule one.
AnswerID: 602526

Follow Up By: Member - Gadget - Monday, Jul 18, 2016 at 15:49

Monday, Jul 18, 2016 at 15:49
That makes me feel better, I thought for a moment that I was stretching it to 180,000km
FollowupID: 872135

Reply By: Member - John M50 - Monday, Jul 18, 2016 at 22:08

Monday, Jul 18, 2016 at 22:08
I have a 2003 V8 cruiser, and just recently had the trans serviced at 200,000Ks. Nothing wrong with the trans, but wanting to do some towing now into remote places around WA, so need to ensure it keeps on going
AnswerID: 602534

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