Swapping to a 32RH transmission
- Thread starter Bryan
- Start date
I don’t see why you would need to change the TCase. Your shafts should work with the lengths being so close. Bigger brakes and broken in properly should fix the drive through the brakes problem.
It’s no problem to slip back and forth from D to N.
I’d start getting the parts now. They are getting more and more difficult to come by. It’s why I did my NSG370 to 42rle swap earlier this year. If I waited 5 years it may be near impossible.
bringing this post up again since I just did my swap to the 32RH transmission. Assembly seem to go well but now when I start it, it immediately stalls like it’s underload. Used all the hardware from the donor vehicle, which was a 2001 wrangler and mine is a 1999 wrangler. Any thoughts on what might cause this?
Someone more familiar can clarify, but the only way I know to stall the 32 is to lock up the torque converter. It has been explained to me that it will only be able to do that in 2nd and drive and shouldn't be possible in first due to the routing of the hydraulics. I don't know that for a fact, but I'd make sure it was hitting all the gears at their correct detents before I did much else. Disconnect the cable at the transmission and move the shift lever by hand into park and see what it does.
After that if it still does it, disconnect the TCC plug and see if that changes anything.
Yup, what blaine said. I might even go a step further & put the t-case into neutral as well just to make certain the engine is as "unloaded" as possible. Manually shift the transmission to neutral by hand, at the transmission itself. Then Also disconnect the TCC. If it doesn't stall then, we're onto something. Probably check the ATF level as well (you're using ATF+4, right?).
The TCC plug is the one at the back corner of the drivers side of the trans.
The TCC plug is the one at the back corner of the drivers side of the trans.
NO, it is the other one. Most I have seen are a 2 pin connector. The NSS/Back up light switch and connector should be a 3 pin.
Someone smarter than me will have to explain how other than ATF+4 could cause it to keep the gears engaged. Not doubting, just don't understand the why of it.
Should also be able to get the t-case in neutral and see if that makes any change to what is going on.
I d/c the shifter and manually put in neutral. In plugged the TCC and same. Will run for about 2 seconds then stalls. Put original 1999 computer back in from manual and starts and runs fine. Put 1999 auto in and stalls, put 2001 computer in and doesn’t even want to crank, just spits and sputters
I run type F before, and it is not a problem. So I don’t believe it is an issue to cause the OPs issue, could be an issue with the valve body or servo sticking too.
T case in neutral too no change but now it’s just stalling but not sounding like under load. Also this is the 4.0 with no mods to it.
Also noticed check engine light so code is p1495 which looks like an evap issue.
Also noticed check engine light so code is p1495 which looks like an evap issue.
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yeah, I've always low-key questioned what exactly it is about the +4 that makes the gears go round (if that's what you were getting at). But I was mainly asking him to double check the level as part of routine transmission troubleshooting. Although low fluid would almost certainly prevent anything from engaging rather than making it do too much engaging.
The additives helps reduce shudder when the bands grab the drums, type f does not have much so if shifting you can use it to adjust the feel.
I have a degree in physics and a minor in chemistry and I'm still amazed that they can design a fluid to act in certain ways like this.