Rb25 transmission won't go into gear

Discuss the RB20, RB25 and RB26 series engines.
redrbz
Posts: 28
Joined: Thu Aug 23, 2012 9:26 pm
Car: 260z rb25

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Before switching from Maf to map, the car will go into gear when the motor is running. It's been setting for almost a year now, and finally got it running with my aem ems. Now when I turn on the car, with the engine running, n clutch pedal step on, it won't go into gear. When engine is off, it will go into gear. Bleed the clutch sleeve twice, and it doesn't show no sign of bubble, so I'm guessing its good. Try putting it first gear while starting the car it will go, but it won't engage to 2nd.

Yesterday, I jack up the rear-end and put it into gear n see if it makes any different. Will it did, wen I force it in with the clutch pedal step on, if I don't step on the clutch pedal it will not go into gear.

Jack the car back down and see if it works, still no work. What could it be the problem? I really would appreciate any feedback to see if I can solve this problem, so I can drive it to the shop to get a tune.


Yellow4g63
Posts: 3718
Joined: Mon Jan 20, 2003 6:07 pm
Car: 95 Nissan RB20 240SX RB20
91 Nissan NX2000 VE power
95 Nissan 240SX Stock
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I'm going to go with a clutch problem, maybe the spring popped out of the disk and lodged itself into the pplate or something along those lines. Drop the trans check the clutch.

redrbz
Posts: 28
Joined: Thu Aug 23, 2012 9:26 pm
Car: 260z rb25

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Yesterday I adjust my clutch master slave cylinder and it made a different, but Can't go first gear, unless I turn off the car. Second, third, 4th n 5th, will go in no problem with engine on. Hmmm what can be the reason now?


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