Hello, I have an AW55-50sn in my car, year is 2001, valve body is "B" but the solenoids are up. I couldn't find this configuration in documentation in MVS. My question can I replace my valve body with any model? Or should I replace it by early model? Thank you. IMG_20220301_103029.jpg Acc...

Thank you very much for the quick and long reply, Now its clear for me. I'm planning to replace the valve body with later version And I hope to fix my gearbox which symptoms are: 1-Gearbox fall in limp mode just after starting the engine when (cold) and very harsh revers 2- gearbox dont fall in lim...

Lets back up - what has been the service history of your transmission? What has been the condition of the transmission oil? Thinking back on my old 2001 XC70 it had a no mark VB. I replaced it with a A which I assembled incorrectly, so I reinstalled the No Mark that I had also rebuilt with the Trans...

I've had a similar experience with Rostra. Ended up with a remanufactured valve body.

Hello guys Today I've replaced the Slu, Slt and Sls Solenoids using Rostra kit ordered from the US. The Ss1 was changed too. Now the car doesn't go to limp mode bust still have harsh shifts up and down, very bad slam when engaging R. 2-3 Flare too. When the car is hot I have something like 2 second...

Would checking the line pressure provide any insight on whether the valve body is leaking pressure and/or a seal on one of transmission internals?. I am not as versed as some of above forum members that posted here, hopefully one will respond. I see three situations 1) There is a problem with the tr...

Would checking the line pressure provide any insight on whether the valve body is leaking pressure and/or a seal on one of transmission internals? Frankly, don't think so. My transmission had signs of low pressure that resulted in delayed engagement and even slipping frictions. firstv70volvo and I ...

This should help some. I did a quick read and it has great information

https://www.sonnax.com/tech_resources/1 ... nformation