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I have a 1991 r32 gtr, and ever since I dropped the engine for a rebuild I’ve been having an issue where the attessa would fully engage on reverse and on first gear on slow speeds. It’s been happening for a year and now I hear a locked diff clunk when it engages again. The car is on a motec m800 ecu with the stock ecu also plugged in. I already bled the attessa system and changed the front n rear diff oil. I also unplugged the hicas fuse from the trunk to check if that was the issue, and I’ve checked all the fuses and all are fine. I’ll link the video of the attessa engaging. If anyone has any suggestions on what to do next let me know please. IMG_2154.MOV

hi all, doing some of the fluids on my stagea with a service SII C34 RS4S manual AWD engine oil and diff fluids done. the transfer case uses the Atessa system and i have been told its not just drop fluids and refill but rather its a specific bleeding system? it has the line which runs up into the wagon back into a seperate reseviour for the atessa. one, how do i properly change the fluid and two, what fluid is recomended? should iu just use genuine nissan powersteering fluid?

I’ve looked around and found sites that show the bleeder vavle for the r32 rear and front but I cannot find it to save my life on the s2 stagea, does anyone know or have some pictures I could see to hopefully find the valve? i found out my fluid was low so I want to add some but don’t want air in the system. any advice greatly helps and thank you in advance!!

R34GT-Four Vibrating and clicking Im in the process of buying a R34GT-Four coupe. I inspected the car and seems like the car vibrates almost like the drive shafts have been blown. So I looked at the the tyres on the vehicle and he has different wheel widths. Now im in the process of finding out how much this will all cost to fix the issue.I have a few questions Does anyone have any experience with this on their cars. I was going to drop in a RB25 AWD turbo engine. But im worried that the AUTO engine may have a different RC ratio. I checked, RC = 4.3 and found out from the Forums that RC 43 means it was auto. It has been changed to a manual. I need some direction on what to look out for and if it will be possible to drop in a turbo engine (Auto) with RC 43

Hi guys, I took my gearbox off (R33 GTR) the other day and I made a mistake. instead of simply removing the pipe at the end of the gearbox, I removed the whole Flansh (Unit) where the pipe is attached to. Now my question is: Is it fatal? and there was a lot fluid coming out which I assume was the Transfercase fluid. Is that correct? So if I assemble it again can I simply reseal the unit and fill the transfer case and bleed it or was the fluid a different one than the on out of the transfer case? Is there anything else I need to take care of? Best regards!

Anyone had this issue before?: i was trying to bleed the attessa (r33 gtr vspec) and the strange issue that I have is that the bleed mode of the pump does not work. Ive done it 2 years ago and it was working. so when i disconnect the white connector under the dash the pump only starts if i turn ignition on, but when opening the bleeders it wont start on loss of pressure. if the connector is connected the pump won't do anything no matter what. also strange is that there is only very little fluid coming through the diff bleeder, as there is no pressure. On the other hand there is good pressure on the transfercase bleeder. I have no ECU connected, never touched any wiring on the attessa sytem and fluid level is ok. anyone can help?