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2006 Nissan Murano CVT Issue

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Discussion starter · #121 ·
chidog said:
Looks good, though I did not use RTV to seal the case. And that photo with the coil springs, that whole deal is a bad design, when I took mine apart those springs were not straight, that plate has too much side clearance to keep them from moving, and yes not easy job. Looks like it should work good. Let us know.
Click to expand...
Thanx I will do so,can you remember what oil you used for the transfer case? and how much?
and did you cleaned your torque converter?
 
#122 ·
I used Mobil 1 synthetic gear oil in '03 without any issues. I figured synthetic would be better than conventional gear oil because it only holds about 150 ml... The only issue of concern is if the synthetic would leak, which mine didn't.

Any good quality gear oil that meets Nissan's specifications should be just fine though.

This is from my '03 owner's manual:

Image


If you don't have the service manuals, you can download them from here:

www.nicoclub.com

How To Use NICOclub Factory Service Manuals

Here's a step-by-step guide to help find the correct Factory Service Manual for your Nissan, Infiniti, or Datsun - and a tutorial on how to use it!
www.nicoclub.com www.nicoclub.com
 
#123 · (Edited)
I think it was 75w-90 ?(UPDATE IT WAS 80W-90) I'll check when I can. I had the torque converter rebuilt locally they did a great job, even the weld was far better than the original. I had at first ordered the torque converter from the place I got the kit from. They sent the wrong part and said they could not get the one I needed. Also I used the Nissan flush for the oil cooler, and discovered the external oil filter below the small warm up oil cooler. I wanted no trace of what ever fluid was used in the transmission nor any left over metal particles. The daughter is using the car, so, so far all is okay. Yeah took me almost a year, dealing with parts problems etc. What seals did you use in the variators? I reused the old seals as the ones in the kit, did not seal good at all, they don't have the good lap joint that the originals did. I had to clean the micro metal particles off the seals contact faces. I can tell you a loose harbor freight press is no good for assembling the variator pistons, that was my biggest issue, as well as just a not so great design in that area, it needed way more guiding surface area. Did you change all your transfercase seals? I did, made a special tool for the inner seal pack.
With all the metal in your transmission the Torque converter needs to be opened up to clean it, and that external oil filter dealt with as well as flushing those oil coolers.
If not done the whole project may end up being a total waste of $ and time.
EDITED THE UPDATE
 
#125 · (Edited)
No special thread, I added some of it to this thread.
Redline, that race for the transfer gear looked a bit rough? Did you remove the green seals from the variator bearings and flush the bearings out or are those new? I cleaned and reused mine they were in good shape.
What have you decided to do with the torque converter?
JUST LOOKED I USED 80W-90 IN THE TRANSFERCASE.
 
#126 ·
ValiantCM said:
@chidog
Did you put up a thread of your project, if so do you have the link to it?
Cheers
Click to expand...
I just started one, I'll post more if needed. And if I find more and better pics.
www.nissanmurano.org

My Jatco REOF09A CVT Rebuild

Better late than never, someone asked if I had a thread so I'll show what I can and won't be in order. This shows the return springs after removing the pump, they could have made things fit better so they don't get twisted like that. Notice the lack of any RTV on the case ! I had not started the...
www.nissanmurano.org www.nissanmurano.org
 
Discussion starter · #127 ·
chidog said:
I think it was 75w-90 ?(UPDATE IT WAS 80W-90) I'll check when I can. I had the torque converter rebuilt locally they did a great job, even the weld was far better than the original. I had at first ordered the torque converter from the place I got the kit from. They sent the wrong part and said they could not get the one I needed. Also I used the Nissan flush for the oil cooler, and discovered the external oil filter below the small warm up oil cooler. I wanted no trace of what ever fluid was used in the transmission nor any left over metal particles. The daughter is using the car, so, so far all is okay. Yeah took me almost a year, dealing with parts problems etc. What seals did you use in the variators? I reused the old seals as the ones in the kit, did not seal good at all, they don't have the good lap joint that the originals did. I had to clean the micro metal particles off the seals contact faces. I can tell you a loose harbor freight press is no good for assembling the variator pistons, that was my biggest issue, as well as just a not so great design in that area, it needed way more guiding surface area. Did you change all your transfercase seals? I did, made a special tool for the inner seal pack.
With all the metal in your transmission the Torque converter needs to be opened up to clean it, and that external oil filter dealt with as well as flushing those oil coolers.
If not done the whole project may end up being a total waste of $ and time.
EDITED THE UPDATE
Click to expand...
Hi Chidog sorry for late reply,I will explained on the new reply on my post.
I used the original seals on the variators,as it was still good and the lapping were better then the ones I received in the kit.
I have opened the valve body and cleaned every inch and changed o rings on the solenoids.
Here in SA I can only found 2 places that opening torque converters and reweld it together.
 
Discussion starter · #129 ·
Okay back to the project,I took the Valvebody apart as I want to clean everything as you have seen with all the other parts of the transmission and replace if something is worn.
sadly I have not took photos of everything.
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Discussion starter · #130 ·
Next photo you will see the small metal particles on the plastic thingy.
So I went and take the whole thing apart and cleaned every thing with some brake cleaner,it did work well.
I also took out all the valves and check if there were some scoring or damaged ones.

you guys have to understand I live in a country that you cannot find parts for this transmission in shops, everything has to be imported.
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Discussion starter · #132 ·
So I check the solenoids if they were in working condition, test the ohms with multimeter.
I also changed the O ring seals on the solenoids as some did feel a bit hard and normally it will crack and it will loose some pressure.
Image
Image


Here you can see everything back to normal and cleaned, I have ordered new filter that are attached to the valve body as I cannot trust the existing one, so I have wait a bit because no one have such part in there shops, so sadly I need to import it.
Next I will take the torque converter to a shop so they can flush it and inspect it.
I will also flush the transfer case so I can put in new oil.
this is a very hard project if you put a lot of hard effort in it and battling to find parts.
Hope you guys enjoy the photos.
 
#133 ·
Cute baby you have, dad. Congratulations. And your doing a super good job on that transmission project. And great photos thank you. I am glad to hear your going to get that torque converter cleaned.
Just don't forget to flush the oil coolers and that external oil filter.
 
Discussion starter · #134 ·
Thank you so much @chidog I do appreciate.

That external filter is,I did opened it up and that filter is totally wasted, I am trying to find a part no for this, I am going to Nissan dealership tomorrow and ask if they got, I am sure when servicing Murano's in the early days, they must have replace the filter with new ones?

attached are photo of mine
Image
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#135 ·
Dealer only sells the whole assembly for over $300. here in us. Best bet is to find one at auto parts place or ? My new one was in the kit, I had to reuse old oring because I don't know if I had a new one or lost it. Go to my thread about my rebuild to see how to hold the converter to install the transmission. Opps I just noticed you found it, good deal.
 
#136 ·
I posted this in that other thread, and thought I should here as well.
And notice it is pretty thin bar stock. It worked great, those studs need to fit in the correct holes maybe hand hold to converter first to make sure you know which way to align it with the flex plate, I didn't do that and that became a headache to get right, so very important to get that correct.
 
Discussion starter · #137 ·
@chidog I visited Nissan dealer yesterday in my town, took the filter to them, we have check parts and also they have the oil cooler/warmer assembly that are expensive.
The interesting part Nissan don't replace these filters when doing an oil service on these transmissions.
I have checked the "to do list" with the parts guy when Nissan doing service what parts/items they replace.

anyway with a lot of google search we find the part no for the filter, but that part no did not and so the part no changed to different no.
I have attached photo of the new filter and Part no to help all the members, please guys this filter is very important.
if this filter gets dirty your oil pressure will definitely drop.
Image

Image
 
#138 ·
Thank you Redline, good work finding it. Yes it is like even the dealer does not know that filter exists, and so strange they say the only way to replace it is with the whole 300 dollar assembly.
What about the O ring??????? Aren't you all glad I figured out it had these filters in the first place?
 
#140 ·
MuranoSL2003 said:
The external CVT filter has been mentioned numerous times in this forum...
Click to expand...
Yes but not on a 2004 or 6. Because it is not in a separate place it hides under the warm up oil cooler in an integrated assembly.
And no one knew the part number for the replacement, the dealer parts depot included I know I tried to buy the o ring.
 
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