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Everything you ever wanted to know about changing CVT fluid and how they work

That all assumes that post the first top up it mixes old and new predictably, as you noted, all the maths falls down ie the second change may be mostly new or mostly old or 50/50, however I read on some CVT doco somewhere that the three changes has been tested to cycle the majority of it. I guess from a vendor perspective if you say you need to cycle the oil every 10000miles /1 year it doesnt send a great message, if you say you need to do it every 30 000/3 years thats comparable to other gearboxes. From what I understand Nissan have a machine that sucks all the oil out in one pass so they only need to replace 10L however not everyone has access to it so the three flush is a reasonable compromise.
 
Pet said:
Does anyone know if the CVT fluid level is measured with the dipstick when the engine is on or off? Cheers
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Definitely on running for 15 to 20 mins on level ground put your gear in p n d r ,make it safe leave in park then check you level is in the hot range. .


you must let it idle for about 5 mins to let oil go back in to the pan
 
Swanny73 said:
HI guys. Just reading through this thread and i found it very interesting. However, I (think i did it right) checked my oil level outside the house yesterday and it seemed to be well above the cross hatched area on my E52 About an inch further up the dipstick is the work HOT which was roughly where the oil was. Now from what im reading here that is way too high and overfilled, am i correct??? Plus also on my dipstick head it says to use NS2 oil. Here your saying NS3 oil???. Im really getting confused with this beautiful machine. Can anyone with in-depth knowledge reply with the correct things i need to know please. Im starting to get worried especially as when i select reverse it tends to lag before giving drive which according to other threads are signs the gearbox is on its way out. Have i bought an expensive "needs a new gearbox" vehicle?
Thanks for reading.
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Make sure you don't go straight in to reverse wait about a second in neutral then ingage reverse as the belts in your transition need to match speed on rotation a e52 are good transitions stick with the manerfacturs recommendation your be fine .


That should help but check you hot level
 
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