Teatime bump - slipped to page 2

 

Measure how much you take out and then put the same amount back in?

 

The manual says 4.5 liters for a refill but does not mention the oil cooler. I would imagine that the cooler will be drained as well as the gearbox, otherwise you would have new oil in the gearbox and old stuff in the cooler.

 

Ok - thanks. I'm going to buy six litres which should be enough.

 

All steptronic's have oil coolers..


The oil cooler is higher than the gearbox plug so should drain

 

It doesn't.

I put less than 5 litres in mine earlier this year which didn't include deliberately draining the cooler and the pipes.

 

Found it.
This how to may help.
http://forums.mg-rover.org/showthread.php?t=268588

 

Cheers for the link... will do mine this summer

 

I have a steptronic and I was thinking about this link given, great link, but how about one little step more......

When you lift up the front it should help you drain more, I am sure it does, but, as the plug is situated towards the front of the car surely some oil will be caught in the box due to the front being higher. Could lifting the front and draining and before replacing the oil plug dropping the front so the car is level, maybe more oil will drain leading to a better oil change as more fresh oil will be accepted into the box?

Any thoughts? it may only be a couple of DL but better than leaving old oil in, not matter how little......

I may be out to lunch on this one, but theoreticaly.....

 

The car in the link is a front engine drive car.
You would have to lift the rear of your car to get at gear box drain plug.
this would also have the same effect as the car in the link.
I.E. tipping gear box a wee bit to the front allowing all the oil to drain.


eerrmm I think.

 

The oil cooler and pipes will have old oil in them too so I wouldn't worry about a dribble in the pan...er, if you'll excuse the phrase!

 

Just a thought, I think when the time comes I will try and see how it goes, can't hurt any......

 

both times ive changed my gearbox oil I used 5L with some to spare.

 

When changing the oil in an auto box, CVT especially, when draining you never remove all the oil. If you read in the manual, there are two figures quoted, from dry and wet, terminology may be incorrect, but oil will be left in the cylinder or pipes for the cooling. A total dry fill would be near impossible without fully stripping down and removing all traces of oil.

The guide in question was actually done by me a few years back. I followed the official guide, produced at the time. Official guides you would have thought supply the 100% correct procedure.

Since some oil will always be left in the box, in effect, when replacing oil, you are infact diluting what is left of the old stuff. To be truly thorough, repeat changes of oil would be the only way to dilute the old oil down.