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JDM 4WD transmission swap-able?

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Old Jul 19, 2012 | 08:16 PM
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Default JDM 4WD transmission swap-able?

My 4WD auto transmission is going out on my 2000 V with 185K. I've called around for estimates on rebuilding the transmission but for that price it'd be cheaper if I would just buy a JDM B20B (99-01) with the JDM transmission and swap that in, so long as it's pretty much a straight swap. (I've read up on the JDM motor swaps but can't find anything about the JDM 4WD transmissions)

Anyone know if the transmission will bolt right up and plug right in with out problems?!

I've searched the threads and found a bunch about the 2WD JDM transmissions but not any about the 4WD ones. Some say the 2WD works fine while others say don't do it.... no real definite answer.

Your help will be greatly appreciated.
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Old Jul 19, 2012 | 09:20 PM
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Default Re: JDM 4WD transmission swap-able?

your best bet is to call a local importer with experience. Most would either fine a USDM tranny or convert it to manual.
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Old Jul 20, 2012 | 07:42 AM
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Default Re: JDM 4WD transmission swap-able?

I just don't know if the local importers will actually know the details of if it'll work or not since they deal with more than importing just honda parts. So I'm trying to ask for personal experiance, I'm sure someone here's done it before.

The USDM transmissions are way too expensive compared to a JDM ones. USDM wih 100K or less goes for almost a grand. JDM ones with 50k or less goes for $700. If the JDM ones doesn't work then my next option will be a rebuilt but I'm trying to avoid that if possible because it'd be my arm and my 2 legs.

swapping to 5speed is too much work, more than I'll like to do.
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Old Jul 20, 2012 | 09:20 AM
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Default Re: JDM 4WD transmission swap-able?

Originally Posted by vpaul
I just don't know if the local importers will actually know the details of if it'll work or not since they deal with more than importing just honda parts. So I'm trying to ask for personal experiance, I'm sure someone here's done it before.

The USDM transmissions are way too expensive compared to a JDM ones. USDM wih 100K or less goes for almost a grand. JDM ones with 50k or less goes for $700. If the JDM ones doesn't work then my next option will be a rebuilt but I'm trying to avoid that if possible because it'd be my arm and my 2 legs.

swapping to 5speed is too much work, more than I'll like to do.
You can have my spare tranny if you want. 100$+shipping. Works great. lol.
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Old Jul 20, 2012 | 12:04 PM
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Default Re: JDM 4WD transmission swap-able?

how many miles are on it? also since the motors differ from 97-98/99-01 question now is will the transmission differ too? how come you have a spare? lol... it wasn't your old one before swapping out for a new is it?!?! lol
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Old Jul 20, 2012 | 04:30 PM
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Default Re: JDM 4WD transmission swap-able?

Originally Posted by vpaul
how many miles are on it? also since the motors differ from 97-98/99-01 question now is will the transmission differ too? how come you have a spare? lol... it wasn't your old one before swapping out for a new is it?!?! lol
Its in my parts CRV. Im not gonna lie, it has a lot of milage on it (410,000 kms or 255,000 miles). Its in a 97. No idea if it differs or not.
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Old Jul 21, 2012 | 07:34 AM
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Default Re: JDM 4WD transmission swap-able?

lol! thanks for being honest. I'll have to past on this deal though. I was thinking about just getting a damaged donor V too but I don't even know where to find any without having to register and pay a few hundred bucks just to bid for one. There aren't many V's on Craigs either.
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Old Jul 21, 2012 | 08:14 AM
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Default Re: JDM 4WD transmission swap-able?

youre gambling you get another high mileage tranny, it could go out a week after you get it... find you place locally to rebuild it for you.....at least youll know its good...you might find low mileage but i bet itll cost you about the same as if you were to get your tranny rebuilt
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Old Jul 23, 2012 | 07:13 PM
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Default Re: JDM 4WD transmission swap-able?

Originally Posted by ARMED
youre gambling you get another high mileage tranny, it could go out a week after you get it... find you place locally to rebuild it for you.....at least youll know its good...you might find low mileage but i bet itll cost you about the same as if you were to get your tranny rebuilt
You're right. I'm leaning towards a rebuild rather then buying a used around town because of what you stated. It can go out a week after installing. But the reason I'm asking about the JDM one is that getting a JDM motor with tranny is almost as much as a tranny rebuild... So instead of just getting a tranny redone, I can get a lower milage motor with a lower mileage transmission.
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Old Jul 23, 2012 | 07:21 PM
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Default Re: JDM 4WD transmission swap-able?

i think qwrty done it before...try and search it....try and check my thread
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Old Jul 29, 2012 | 04:22 AM
  #11  
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Default Re: JDM 4WD transmission swap-able?

I looked some and I believe he did or wanted to do a 2WD Auto JDM swap.
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Old Jul 30, 2012 | 01:30 AM
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Default Re: JDM 4WD transmission swap-able?

what kind of quotes are you getting for a rebuilt? or rebuilding yours.
Plan on keeping your V for awhile? probably the best question right there?

http://www.automobile-catalog.com/mo...cr-v_1gen.html

Try this.
I compared the gear ratios for all years awd 4speed auto trannys and all have the same ratios. So, i theory all the JDM trannys should be the same. Also same ratios as the US versions I found. I bet you could look around online a bit and find the tranny codes for your car. Or ask some others that have an auto what the codes are. Wouldnt be hard to find a JDM for a decent price if your willing to wait. Im sure the demand its all that high for some of the larger importers. Couldnt hurt to ask. You could try calling Steve at Hmotorsonline.com. He knows a thing or two. Come to think of it. Most of the B20s that people buy for their civics turn out to be automatic. Ask him what he's doing with all the transmissions. Those motors are usually about 30-40k, would assume the transmissions are as well.

HTH

Last edited by civilrant; Jul 30, 2012 at 01:46 AM.
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Old Aug 4, 2012 | 02:22 AM
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Default Re: JDM 4WD transmission swap-able?

The JDM transmissions are different and will throw a CEL.
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Old Aug 4, 2012 | 05:16 PM
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Default Re: JDM 4WD transmission swap-able?

Originally Posted by 94EG8
The JDM transmissions are different and will throw a CEL.
Yup.

The JDM autos bolt up, and shift great, drive great, etc. but will ALWAYS throw a P0740 code.

If you don't have to pass a local emissions test that fails you for any codes, then you're good going JDM swap.
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Old Jan 12, 2013 | 09:02 AM
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Default Re: JDM 4WD transmission swap-able?

Originally Posted by B18C5-EH2
Yup.

The JDM autos bolt up, and shift great, drive great, etc. but will ALWAYS throw a P0740 code.

If you don't have to pass a local emissions test that fails you for any codes, then you're good going JDM swap.
That's correct.
See this thread: https://honda-tech.com/forums/hybrid-engine-swaps-18/automatic-jdm-trans-usdm-auto-trans-same-2752349/
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Old Jan 13, 2013 | 03:45 AM
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Default Re: JDM 4WD transmission swap-able?

http://minneapolis.craigslist.org/an...514611714.html
http://minneapolis.craigslist.org/da...532522789.html
http://minneapolis.craigslist.org/an...448869132.html

Try those links. I think they might still have the auto trannys available.
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Old Mar 19, 2018 | 05:55 PM
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Default Re: JDM 4WD transmission swap-able?

Let me tell you my exsperance. I don’t have code p0740 as of 200 miles on my swap I have a 1997 awd crv is model. My trans went out at 240,000. So I bought a complete jdm high compression motor Torque converter and awd transmission, And swaped both. only needed to change the **** postion sensor on the front of the trans. Jdm hc motor you need to use the us distributor and the only code you will get is for the crank Sensor. It’s like a brand new baby though shifts smooth and way more power. Best $850 deal


There is a bypass for the crank sensor but I was going to try and use a jdm ecu to clear the code. Maybe boost performance. The Issue is the ecu for a crv OBD2 DOHC AWD AUTOMATIC ECU 37820-P3G-922 JDM B20b won’t turn over when used. Switch backed to us runs fine. Bad ecu or just won’t work?
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Old Oct 15, 2019 | 11:20 AM
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Default Re: JDM 4WD transmission swap-able?

pegelbert,
So if I understand correctly, you installed the new b20b engine, with jdm transmission and had to swap out the shift position sensor from the usdm one? Which that's the sensor under the little cover correct? And you said you had to use the usdm distributor...and not do the crank position wiring trick...or you did do the crank position wiring trick?
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Old Oct 15, 2019 | 06:35 PM
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Default Re: JDM 4WD transmission swap-able?

so I swapped out the us motor and trans for the jdm high comp motor and trans. Both 97 model crv.

It’s been a while still not issues. But memory is foggy. But basically the motor you need to use a us distributor or re pin the jdm one with a us clip to be plug and play. Options for the crankshaft position sensor are use your crank shaft from the US motor into the JDM motor. Do the cps bypass. I tried figuring out a way to switch out ecu but no luck and gave up. To cheap to buy a hondata.

trans is the shift position sensor needs swapped Because the us clip is different. And the amount of gears is less so lining up the shifter with the dash is not possible unless you buy a new dash and cable I would guess. Something with over drive switch vs auto overdrive. But I have been towing up and down a mountain and ******* the **** out of it. With no issues.

I highly recommend and inline transmission filter. Since the trans is not survivable. $15 and change it out every other oil change. The Auto awd have a finicky trans. Between the sensors and weak torque converters.

I wanna do the element rear eventually but it’s my beater.


Originally Posted by tim73
pegelbert,
So if I understand correctly, you installed the new b20b engine, with jdm transmission and had to swap out the shift position sensor from the usdm one? Which that's the sensor under the little cover correct? And you said you had to use the usdm distributor...and not do the crank position wiring trick...or you did do the crank position wiring trick?

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Old Oct 16, 2019 | 12:45 PM
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Default Re: JDM 4WD transmission swap-able?

Thanks a lot pegleg. What did you mean buy hondata? Thanks! I just bought a jdm engine and awd tranny...theyre on the engine stand right now...swapping over intakes exhaust sensors etc. Hopefully will have done in a day or two. Hopeing all works out ok. Thanks again.
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Old Oct 22, 2019 | 07:10 AM
  #21  
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Default Re: JDM 4WD transmission swap-able?

I used the JDM dizzy...started...ran and idles perfect.
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