Auto gearbox, oil change, does it make sense...

[BorS Junior Member Find all posts View Profile Close BorS]

Hello all,
I got my Prado (2000, 3.4i ) about 2 months ago.
It is always serviced by Toyota-dealer and has now 160.000km on it.
The engine-oil I changed last week, and am thinking about changing the oil in the gearbox soon.
If I read the manual: if you drain the box, there will be about 2 liters be refilled.
If you rebuild the gearbox and you must dry-fill it, there will go 11 liters into the box. :?
So with service, you will change 2 out of the 11 liters ???? :shock: I do not know if that makes any deference….
Or are my data wrong?

[croozza Avid PP Poster! Find all posts View Profile Close croozza]

Re: Auto gearbox, oil change, does it make sense...

Hello all,
I got my Prado (2000, 3.4i ) about 2 months ago.
It is always serviced by Toyota-dealer and has now 160.000km on it.
The engine-oil I changed last week, and am thinking about changing the oil in the gearbox soon.
If I read the manual: if you drain the box, there will be about 2 liters be refilled.
If you rebuild the gearbox and you must dry-fill it, there will go 11 liters into the box. :?
So with service, you will change 2 out of the 11 liters ???? :shock: I do not know if that makes any deference….
Or are my data wrong?

Yep thats about right, but you need to get a new filter kit for it too, so you will need to take the sump off the auto. If you want all the oil changed (and I would if I just bought the vehicle) take it to an auto mechanic and get them to flush out the old oil and put in new

[dhula Member Find all posts View Profile Close dhula]

Re: Auto gearbox, oil change, does it make sense...

Can't be exactly sure for the V6 auto, but on my TD auto the book says the same thing so could be the same I recon.

If I leave the car overnight and do the oil change on the auto the next day without starting the engine I get 7-8 litres out so it's pretty close to the total amount.

Agree with the idea of doing a power flush and and filter change if you've just brought the car, just keep it in the back of your mind that when some places do a power flush, they keep flushing until new clean auto fluid comes out (ie spotless) and they usually dispose of what ever they have used to do so, charging accordingly. Not saying it's a bad thing but you may end up paying for more than just ~11 litres of auto fluid.

[glen_ep Addicted PP Member Find all posts View Profile Close glen_ep]

Re: Auto gearbox, oil change, does it make sense...

I'm all for home servicing, but if you've recently bought the vehicle I'd be taking it Toyota for the big 160k service, which just happens to include changing all diff/auto box oils. This could kill two birds in one stone: 1) the auto fluid, and 2) a general health check. Also, ensure the timing belt and water pump was changed on the 150k service.

http://www.fixedpricecarservice.com.au/ ... eID=509637

[BorS Junior Member Find all posts View Profile Close BorS]

Re: Auto gearbox, oil change, does it make sense...

Thank you all, I am going to change the fluid my self. I will drain the gearbox and look how much oil apears.
If there is less than say 6 liter I will see a specialist.

The car is dealer serviced, the valve where checked recently, just like the timing belt and sparkplugs were replaced.
Further fluids I will change myself (some with help of a frend who is a car-mechanic).
Also I will change the radiator, because I hear some story's about the transmisinon-oilcooler leaking ATF into the coolsytem and vise versa.
General inspections we dit some weeks ago, when we where upgrading the suspension. (OME +40mm).

[williade Avid PP Poster! Find all posts View Profile Close williade]

Re: Auto gearbox, oil change, does it make sense...

I'm gonna give my auto box a service pretty soon. I'm thinking of removing one of the cooling hoses and using a transfer pump to flush the system with the sump removed.

I recon I'm gonna need 3 x 5L bottles of DEX III..... $150 ouch!

[glen_ep Addicted PP Member Find all posts View Profile Close glen_ep]

I'm gonna give my auto box a service pretty soon. I'm thinking of removing one of the cooling hoses and using a transfer pump to flush the system with the sump removed.

I recon I'm gonna need 3 x 5L bottles of DEX III..... $150 ouch!

Did you end up doing this Declan, how'd it go?

[raydes Advanced Member Find all posts View Profile Close raydes]

I changed the oil in my auto, the 2 litres is in the sump. If you drain the sump you only drain the sump there is a lot of old oil still in the gearbox and torque converter . You may find it easier to take the pipes off the oil cooler one will pump the old oil out , if you put the other pipe in the new oil container it will draw it back in. With the engine running keep going till you get clean new oil coming out, changes ALL the oil this way.