240sx auto trans problem help please!!!!!!!!

General discussion forum about the 240sx, and a great place to introduce yourself to the board!
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pktj21
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Car: 1990 nissan 240sx ka24e.3" jdm exhaust, strut bars F/R, home made intake,17" icw'

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hey do you why my 90 240sx ka24e sohc automatic trans RE4R01A will not shift in to overdrive or 4th gear after it warms up.20 mins after that it kinda will if you feather the pedal i have looked for answers i have even replaced sensors. help please if you know anything

could it be the inhibitor switch?


mrgreeneyes
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could be bad fluid. drain, replace filter (kit is $12-14 at your local advance auto). if not then:

could be a bad trans

if its a bad trans, just 5spd swap it. SO much better

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pktj21
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Car: 1990 nissan 240sx ka24e.3" jdm exhaust, strut bars F/R, home made intake,17" icw'

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dont have the cash for the 5sp swap. but i would love too. but for now i need this "automatic" to do its job which its not! i have changed fluid, filter, speed and throttle position sensor.

but i appreciate the help

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OutToWinPAHC
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Isn't OD part of the converter on these. Could be a bad converter OD.

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pktj21
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are you talking about the torque converter? i am not sure about that! i will check

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OutToWinPAHC
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Yeah, I don't know to be sure, some auto trans achieve the OD operation at the torque converter. Check into the FSM's and see if they say, it it does use the converter for OD the converter clutches for the OD could be shot.

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baron_harkkonen
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Car: 1993 Nissan 240SX, 2005 Honda Civic

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OutToWinPAHC, I like your avatar. OP, I don't think anyone will know exactly what's wrong with it till its torn down. Seafoam TransTune. It will help a lil bit, but will not fix the problem. $7.69 retail.

94_240sx
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Best 240 AT problem discussion.

zerothread/96505

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pktj21
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Car: 1990 nissan 240sx ka24e.3" jdm exhaust, strut bars F/R, home made intake,17" icw'

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thanks but i have already tried what the tread was referring to. thanks anyway

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slidinsidewayz240
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Car: 91 240sx ka24de

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If you think it will fit, I will sell you an automatic trans from a 91 ka24de, email me if your interested.

[email protected]

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pktj21
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Car: 1990 nissan 240sx ka24e.3" jdm exhaust, strut bars F/R, home made intake,17" icw'

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what the tag on the trans say? is it the RE4R01A transmission and if so how much?

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slidinsidewayz240
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Car: 91 240sx ka24de

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i'm not sure, but i will check the tag tomorrow, but im asking $125

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sebazztard
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Car: 1992 Nissan 240sx rb25det project. 2000 Honda Accord LX DD. 1992 Nissan 300zx NA.

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autos... you do realize people actually SPEND up to 600 dollars to get rid of this option? lol... i have an auto transmission sitting out back of my parents house, come get it for free...altho im in ny near canada

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pktj21
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that would be great hell give me address and i will set up a road trip

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slidinsidewayz240
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i still got the trans if you want it

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Nonsense
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Wow $125 bucks for a auto transmission? jeeeze

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sebazztard
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pktj21 wrote:that would be great hell give me address and i will set up a road trip


lol...if you are serious, email me [email protected] . its been a lawn sculpture for 4 months. has 180k on it, hacked harness but it worked 100% no issues. i wouldnt mind getting it out of the yard, and i dont want any money for it.


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