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Is there a Filter IN the CVT Transmission?

30K views 78 replies 6 participants last post by  Avantado  
#1 ·
Hello, I urgently need an answer.

Now, does the Nissan Murano 2006 CVT 4WD 3.5 V6 have an in-transmission filter or not? I found ancient forum posts that say Nissan doesn't have a part number for it but there is a filter anyway. When I search on the websites of suppliers for spare parts, I also find a set.

At least I got a part number for the oil pan gasket from Nissan. The filter is the external part that sits in front of the gearbox when you take the wheel off and look at it. Should the part also be cleaned and can it be cleaned? Or does that not affect it? I don't want to swap everything that doesn't need to be swapped. According to the internet, if there are problems with the gearbox, it may be due to a filter, but one of the ones in the gearbox. I also find comparison numbers, but Nissan dealers can't do anything with them. Presumably a Nissan dealer never disassembled a transmission but simply replaced it back then because of the warranty. So before I unscrew the oil pan, I would like to order a filter as a replacement just to be on the safe side, but I don't know if there really is one or not. Always considering that it is the European version of the Nissan Murano, left-hand drive. Anyone have clear information?

Thanks very much , sorry for my bad english i have to use the Google Translator, best regards from Germany.
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Discussion starter · #3 ·
Yes, there is an internal mesh filter in the CVT. It can be cleaned or replaced.
Thank you. This one?



My problem is, my Murano runs very good, about 250.000 kilometers. First CVT. I bought the car 2 years ago. I can do many things by myself, so i also changed the transmission Fluid. After getting the car to be on the safe side. Everything's works fine, yesterday I replace some transmission fluid and filled up new. Everything as it should be, exactly like Nissan says.

I could Drive thirty kilometers, then i used the reverse gear. No power coming, very slow, but no Noise. Driving forward was not really with power possible. Stopping the engine, starting the engine, the Murano runs forward. No Engine control light flashing.

I took the Software CVT z50, found 2 problems, p0746 and p0868. I know what it is and what it means, i deleted it and I could drive normally. Showing the live data everything was fine driving forward. Then I put in the reverse gear, after two or three meters directly got a message about this CVT z50 Software. With the same mistakes.

so only when i Drive backwards there is missing Power. when I delete the mistakes I can drive forward without problems. Now the car is in my Garage and I want to replace and clean up the filter, that is that I can do by myself. I'm wondering why this problem begins after changing the transmission Fluid very carefully and like it should be. And like done before. Without problems.

thank you and sorry again for my bad english, best regards from Germany.
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Discussion starter · #5 ·
Thank you very much, i am wondering why this problem started after changing about 4,5 l CVT fluid. Everything before was fine. No noises, really good Power. I found some old comments years ago with people having the same problem. I found a video at YouTube, CVT Nissan. Same mistakes, p0746, p0868. And there you can see how to clean up the filter in the Transmission, after that the mistake was gone.

It's the only thing I can do by myself, it's not easy to get parts, and I'm not able to change the whole transmission, here in Germany are not many specialized mechanics to do the job.

I just hope that this is the possibility for me, i do not want to drive the Murano with the mistake only to get more data. Maybe when the CVT is completely broken. I really love the car, i spend hours to make it fine, to look it better, i also changed other things, new catalytique converters, everything is really fine until yesterday.

What do you think, when i open the transmission laying under the car, others things that I should order and probably change? I have a second Murano for parts, but I bought it with a broken CVT. So it's not possible to take the parts of it for the transmission.

Thank you
 
Discussion starter · #7 ·
Just checking, you mention transmission fluid, did you use a fluid that is meets Nissan's NS-2 specification? If not, that may be the issue...
Hello, yes of course I did. The same Fluid used two years ago after buying the Murano and a year ago for some change. Always the same Fluid, no problems. So I'm wondering what's going wrong this time.

And i work very seriously with these things. The problem is, I cannot get the filter in Germany. I contacted the factory building after market parts, they say, probably i better should use original Filter. But there is no original filter to get from Nissan, it's not in the parts list.

It also is a problem to get the gasket for the transmission Pan. No one can deliver it in Germany fast. Maybe I can use it again and take some special silicone for gaskets , i have many of this things in my Garage, heat resistant up to 315 degrees. Specially for transmission.

Tomorrow I get 12 Liter original Nissan ns-2 Fluid, before I used an after market product, but with very good quality and no problems.

I really don't know what to do. I spend lots of hours with the Murano and did everything by myself, all works fine and now the transmission is driving me crazy? ;/

Thank you and best regards from Germany.
 
Discussion starter · #10 ·
Vielen Dank. Den Außenfilter kann ich reinigen, ich habe einen zweiten Nissan Murano 2006 als Ersatzteile in meiner Garage.

Ich habe eine neue Dichtung vom örtlichen Händler bekommen, Lieferung morgen, das war viel Glück. Und morgen bekomme ich 12 Liter Original Nissan CVT Fluid. Ich werde morgen mal genau hinschauen und das Öl wechseln, die Dichtung wechseln, den Filter reinigen, und wenn es vorbei ist: Ich muss hier in Deutschland einen Sachverständigen für generalüberholte Getriebe finden.

Und ungefähr zweihundertfünfzigtausend Kilometer sind für das CVT nicht so schlimm. Ich werde Fotos machen oder einen Film machen und ihn auf YouTube hochladen und den Link hier zeigen. Wenn Sie aber Ersatzteilnummern haben, vergleiche ich das gerne mit der Liefermöglichkeit hier in Deutschland.

Es ist also so etwas wie der letzte Versuch. Viele Grüße aus Deutschland.
 
Discussion starter · #11 ·
Thank you very much. The external Filter i am able to clean up, I have a second Nissan Murano 2006 for spare parts in my garage.

I got New a gasket from local dealer, delivery tomorrow, that was lots of luck. And tomorrow I get 12 Liter original Nissan CVT Fluid. I will carefully take Look tomorrow and change the oil, change the gasket, clean up the filter, and when it's over: i have to find an expert for refurbished Transmission here in Germany.

And about two hundred fifty thousand kilometers is not so bad for the CVT. I will take pictures or make a film and Load it up to YouTube and show the link here. But if you have any spare part numbers, I would be glad to compare it with the possibility of delivery here in Germany.

So it's something like the last try. Best regards from Germany.
 
Discussion starter · #14 ·
Thank you very much, i thought about it the whole day, in the internet you find it with 22 holes, gaskets with 21 holes and my local Nissan Dealer now ordered a gasket based on my Murano identification number - with 20 holes.
 
Discussion starter · #16 ·
Thank you very much, I can't manage to remove the whole gearbox in my garage with my possibilities. All I can do is remove the lid and have a look. If the problem is not solved by cleaning and changing the oil, and this was done regularly, even every 5000 km, a specialist has to work on the transmission. I will not buy a used one, just a refurbished one.
 
Discussion starter · #19 ·
First of all, thank you all for the quick and sensible replies. I think I'll try right away to carefully remove the oil pan and save the old seal. A friend of mine will pick up the new seal that i ordered from a Nissan dealer around noon. So maybe i can take the old one with him and compare it. Hoping that the dealer will take back the new gasket if it doesn't fit. After all, it costs almost €60 including express delivery from yesterday to today.

Buying a used gearbox is too risky for me, it's always a bit of a gamble. Note that the Nissan Murano z50 was sold just over 2000 times in Germany during its construction period from around 2003 to 2007.

There are more than 40 million registered vehicles in Germany, of which only around 50 or 60 are registered Nissan Murano z50 according to the list that can be viewed every year.

And on the Internet advertising markets, you usually only find vehicles with engine damage because many people converted to gas at the time and that the engines are generally not to be liked, or vehicles with gearbox damage because these vehicles are cheap to buy due to the high petrol prices, or relatively cheap, but people often do not service the car. So they buy a car cheap and don't want to invest any money if something breaks. Or some try to do something themselves without any knowledge of cars or look for a workshop that has no idea about the subject. And unfortunately there are not that many workshops that even dare to approach the gearbox.

I'll get to work right away and document the whole thing as best as I can with the camera. If I notice anything at work, I can upload photos accordingly, maybe that will help me.

Many thanks and best regards from Germany.
 
Discussion starter · #21 ·
I understand what you want to say, but that's a bit different in Germany. Finding a gearbox that has only done 50,000 km is almost impossible. A Nissan Murano with the year of manufacture that I found on the internet with the lowest mileage currently costs over €7,000. The vehicle was built in 2006 and has run 69,000 km.

Here you don't just go to any junkyard around the corner and find a well-preserved gearbox. And people like to cheat when stating the mileage. However, there are companies that, due to the regulations in Germany, also give a guarantee and not just a warranty for the removal and installation and the revision. Warranty is a legal obligation anyway. Of course, there is never 100% security. But my experience says that people like to cheat when selling such parts. As is not uncommon with the mileage of cars.

And here in Germany you won't even find such a casual workshop that will help you with installation and removal, or at prices for which you might be able to buy a new, used vehicle right away. I have a second Murano here, bought especially for spare parts, but also with a defective gearbox, and it has only done 170,000 km.

In addition, you will find a used gearbox here that is said to still work well for less than €1000. And that's cheap. On average, around €1500 to €2000 is called up here. Used, unknown condition.

No offense meant, but the circumstances may be a little different here than in other parts of the world, which is why the Murano z50 is very rarely seen on German roads. It's worth it if you want to keep it reasonable. Nevertheless, thank you for your feedback
 
Discussion starter · #26 ·
Thank you very much, but I really do not understand, why the magnets are not working? Maybe I should buy some strong Neodym-Magnets and replace the old ones, but maybe it could cause problems with the solenoid?

🤔
 
Discussion starter · #40 ·
I know such Problems about the Chrysler PT Cruiser. In course of static charges the wheel bearings can get damaged.That's why you'll find a lot of earth cables there, on the exhaust, on the hood, even on the shock absorbers. The cables often break and oxidize, and most don't swap them out.
 
Discussion starter · #41 ·
I have some information that might be useful:

In the meantime I found that error p0868 reappeared, but error p0746 is completely gone. When I was installing the oil pan, I noticed that it wasn't completely sealed in one place. I then carefully tightened the screws, one broke off. I hadn't used the new seal yet because I didn't know if it was worth the effort anyway. It would have been a shame to waste that seal.

But I sealed everything with a special sealant, but that doesn't help. Then I unscrewed the oil pan from my Murano, which I only use for spare parts, fortunately I was able to unscrew the one broken screw on mine, cleaned everything again very meticulously, collected the oil and cleaned it, it was almost new, then that new seal used, everything checked very meticulously, now it is tight, the error p0868 is gone.

The screws should be treated with caution, I don't know if they are special expansion screws, but I followed the instructions when screwing them in. That means even a slight leak, which you may not notice immediately, changes the pressure ratio in the gearbox, which can lead to an error message.

Please note:

if you use sealing compound, please make sure that it cannot squeeze into the gearbox when screwing tight.

😉
 
Discussion starter · #47 ·
It's not for nothing that the oil dipstick on the Murano 2006 has the clip next to the rubber seal as an additional safeguard, at least on the European version you can't just pull up the stick like that. As far as I know, the reason is that there is pressure in the system, not particularly high, but a loosening dipstick is supposed to lead to the error messages or malfunction.
 
Discussion starter · #51 ·
With a endoskop-kamera you can see, how much is coming up the tube from the oil Stick. Not out of it, just coming up. I only can say, replaced digested and a mistake is gone, after riding two hundred Kilometer. Maybe it's the kind of Wonder, I don't know.

🤷
 
Discussion starter · #52 ·
Does someone know the torque of the screws for the transmission oil pan? I don't find any informations about it in German, and sometimes it's hard for me to search in English language. Thank you very much.