Questions about replacing a tranny
05-09-2008, 11:32 AM
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Questions about replacing a tranny
I have the 93 3.0 a340h trans I believe... I have the o.d. problem after swamping it with muddy water, and flushing with 30 quarts of dexiii, and 1 pint of seafoam. I have a 92 runner with the same motor and tranny(i believe),and is in great working condition, my question is, will this tranny hook up the same to my 93, or will i need to change wiring harnesses, I have heard that the electronics were slightly different, and the plugs may not match up...also, if the gearing were different on these trucks, would i have to change anything else? any input would be appriciated...tia
Last edited by Team420; 05-09-2008 at 11:35 AM.
05-09-2008, 11:41 AM
#2
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It should work fine, I sold my 93 A340H to a guy with a 90 and it worked out fine. Just check that the speed sensors are both the same, if not swap them and keep your old speed sensor. The speed sensor for the speedo, not the ECU.
Last edited by mt_goat; 05-09-2008 at 11:43 AM.
05-09-2008, 12:04 PM
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hmm...ok awesome...thanks mt_goat... i do believe they will work...i have heard that 92 is the only other year that will hook-up flawlessly...on the other hand...i have heard the electronics are slightly different, but i bet they will work out fine...and what about the gearing thin...the other truck has 4:10 gears... mine has either 4:56 or 4:88, cant remember which i put in...but either way...diff then whats in my truck... will the transfer be the same? or do i need to use my transfer? thnx
05-09-2008, 01:56 PM
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Yeah the tranny and transfer case should all have the same gearing, where the difference would be is the little gear on the speed sensor. Some had different number of teeth on them to calibrate the speedo to the truck gearing and tire size. So if you just keep your old one like I did, the speedo calibration will stay the same. The one in red circle was my original one, the other was from an old 4 cyl truck with a cable driven speedo. IIRC one had 18 teeth and one had 20 teeth. The hole they were in was the same, making swaping very easy, remove one bolt, pop it in, put bolt back.
Last edited by mt_goat; 05-09-2008 at 04:06 PM.
05-09-2008, 02:42 PM
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thanks alot..you have been extremely helpfull.. those pics were exactly what i needed... i am so burnt out from working this thing... and im sure i can make my current trans work... but have known i was gonna need a new one for a while now...the water just kinda accelerated the process...lol
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