S13 KA24DE Engine Removal

ONLY for ADVANCED technical discussion about the 240sx!
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s13gebala
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Car: 99 maxima , 91 sr hatch

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Im in my garage with my laptop reading this guide right now, lets hope for the best :]

thanks alot bro!


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positron1
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Good luck man, post up your questions if things don't go as planned! With everyone on here, we've run into every problem imaginable.

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s13gebala
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Car: 99 maxima , 91 sr hatch

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after 8 hours of hard work by myself.. (so much wiring to remember) i must say it was medium difficulty.

ran into 3 problems, my e brakes dont work, since im building car with alot of new/rebuilt parts and i dident pull the line on e brake calipers all the way yet.

anyways that led to an annoying time with the driveshaft bolts (wtf was nissan thinking with so little space ??)

problem 2 was probably the worst, i was unbolting the middle support for the driveshaft and one bolt was like welded in or some shyt, i ended up getting a vice grip plier thing and literally yanking the bolt and the bolt hole (thread hole) out lol im guessing it would be smart for me to go with a one piece driveshaft for the sr.

yeah the driveshaft was a bit3h.. kinda made me want to quit.

problem 3 is also a little bad.. i unscrewed the speed sencor (tranny) and hit it with a hammer to pop it out.. little did i know its weak as hell and the metal shell cracked so :\ prob gona jb weld idk yet

anyways i got to the next steps in yor write up and disconnected all the grounds, wires (most of them were disconnected from prev owner)

anyways some were really hard to take off (location), so when i pulled the engine before i pulled it out of the engine bay i did a couple more disconnections (like 3) starter was hardest.

All in all, getting the engine out is easy! the hard part is coming up since i have a messy *** engine bay :\

:] thanks so much for the write up, i think if you have the tools and have done work on your car before its easy.

Ive replaced suspension (alot of parts) and brakes, and im 17, so if you think you know more than me it should be easy

:P hope it gives you guys some confidence

10/10 for the writeup

oh, also i used 14mm socket for engine mounts 15mm is to big

make sure you have carpet before you lay down on garage floor, and buy a heater! it was reeeeeally cold today.

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positron1
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Good job man. I did the same thing to my speed sensor. It has a small crack in the casing. That casing on the speed sensor is very weak to anyone who is planning to pull their engine so be careful. I also agree with the driveshaft bolts, at first I was like WTF!!! But you sit, think and come up with options. Post up some pics and you'll enjoy cleaning that engine bay more than you think you will.

jbotch79
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Joined: Sun May 11, 2008 8:34 am
Car: '90 240sx RB25DET series 2 swap
'97 Audi K04'd 1.8T - DD
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I just wanted to say thank you for doing this. I would never have the patience to take pics step by step. I think this will help me greatly. I already have about 1/2 the steps done but i couldnt get the driveshaft off so i stopped and I realized I had miised some thing when lookin at the pics. Thanks again,JBotch

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positron1
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What did you miss if I might ask?

jbotch79
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Car: '90 240sx RB25DET series 2 swap
'97 Audi K04'd 1.8T - DD
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well to start I didn't take all the grounds off yet. also when i tried to take the driveshaft off, i think i started to unbolt the wrong section of the dristshaft. I unbolted the second section not the part on the tranny. oops, i'll fix that this week and it'll be off. I also have to unbolt the ecu ( I just didn't get to it yet). Thats pretty mush it. All i have to do is unbolt the tranny braces and the engine mounts and I should have the motor & tranny out.Thanks,Jbotch

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yotik
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Car: 240sx Hatch

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another thing that wasnt really mentioned is where to bolt up the hoist. i used the exhaust manifold section (worked fine) and the intake manifold section which cracked while i was taking it out. i mean it held but if youre thinking about keeping the motor or selling it, avoid using the intake manifold bolts.

i admit, it wasnt the best spot but i was in a rush and it was like 30degrees. plus i didnt really care as long as the fxxker came out.

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s13gebala
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so how did you end up fixing your speed sensor?

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positron1
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s13gebala wrote:so how did you end up fixing your speed sensor?
I didn't, it just had a hairline crack in the casing so I thought I could get by and just put it in the tranny that I swapped into the car. No problems so far but if it gives me any difficulty then I'll easily replace it. What engine are you swapping in your car by the way or is this just a rebuild?

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s13gebala
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Car: 99 maxima , 91 sr hatch

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Im going black SR, i dont feel like messing with a ka, i dont like how theres so many blown ones.

what should i do with this blown ka? engines blown with valve cover off (bought it like that) and tranny is coverd in sh1t but shifts well

i might just scrap it if noone needs anything from it

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positron1
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Post it up in the classifieds on the forums and where you live at. People are always buying blown motors and rebuilding them. If that doesn't sell you can always part it out and make some cash.

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s13gebala
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already did :]

fakhro176
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i realli like this write up after reading it i acually registered to the website. amazing write up.

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positron1
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Welcome to the forum!

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puerkone
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I followed all of your instructions I removed my stock S13 KA24e engine out of my s13 and now the 1995 S14 KA24DE is in my car all tightened up with the transmission in it. and everything but I still cant figure out the wiring inside the passangers seat. should I just splice the new harness with the old harness? or should I just cut the the old connector? last step is to make it start need help please Radiator is in everything is in but the harness is not hooked up what should i do?

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positron1
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Which connector are you talking about, the big blue one on the ECU?

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puerkone
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yeah the S14 white plug harness does not fit my S13 ECU with the blue harness so I was wondering what do i need to make my engine run with the internal coil? or do I have to get an S13 KA24DE harness and distribuitor?

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positron1
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Yes from what I've read. The S14 is OBDII(on board diagnostics) whereas the S13 is OBDI so that's not going to work. Switching ECU's should hook you right up....anyone?

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puerkone
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but the KA24DE engine is out of a 1995 240sx it is still obdI the difference is that this one has an internal coil i was hopin i can keep it that way can I. the car has a white plug in the ecu while the ecu in my s13 has a blue plug

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positron1
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So the 95's are OBDI, I did not know that. I have a friend who did this swap so I'm gonna ask him and get back to you unless someone beats me to it.

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puerkone
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awesome im just scared to mess up both harnesses let me know asap lol

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positron1
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Hey man, I still can't get a reply from the guy on that harness situation, did you find out anything? Anyone?

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puerkone
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nah not really what do you think man I have a fully and good running S14 in my garage. The car ran fine before i pulled it out of it no problem. Today I just removed the whole motor, tranny, harness, relay box harness, all the lines for ac and power steering pump. Now tell me your opinion. If the S14 was running good, do you think if I put the whole electrical circuit from the S14 such as relay box, lower harness, and ecu harness in my S13 the car would run? I mean if all the wiring worked before I pulled it out why wouldnt it work on the s13?...... Im planning to keep the internal coil from the S14 and that ECU since S13 KA24DE has external coil and the ecu is different.... do you think my gauge cluster will work? since the cluster is a digital gauge cluster... by the way my S13 is a 1989 and right now has a KA24E SOHC....

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puerkone
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in other words would it run in your opinion?

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positron1
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Your cluster will work but you will need a tachometer from a DOHC. As for the other situation, I've been searching and I haven't come up with a definite answer about the harness problem...yet!

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weird240
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Car: 91 redtop 240fb sold. 91 240sx fb, 95 tercel(flat black beater)

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i smell a stickey! def worth being one for all the first timmers!

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positron1
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Thanks!

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24j0hn
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Car: 91' 240sx with some babying to be given

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thanx for the lesson on engine removal... how did u take it out?

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positron1
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Engine hoist and a four foot chain.


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