a340h transfer case service manual
#5
yep! what a pain!!truck was on a garage for 4 years when i got it,after i finish installing the engine management a better turbo with some other upgrades,start tuning and the trans die,i still havent ride it for 10 feets!!drop the trans,clutch disc peel off,broken plastic washer from center support this particles goes to the throttle valve lowering the press and ended burning direct clutch from the transfer.i put 11 hours in the trans rebuilt,now transfer goes tomorrow but im very tired.
#6
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Have you taken a TC off an a340h? Take a look at the post I had in another thread. If you know all this already then good luck and sorry to side track you.
https://www.yotatech.com/forums/f120.../#post51551098
https://www.yotatech.com/forums/f120.../#post51551098
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#11
Thank you for answer me appreciate it, I'm trying to rebuild mine , A340H I just pull it out just found out transfer doesn't come apart, to just work on the the transmission itself how did you do??
#12
Unless your going to repair some clutch pack of forward or direct drum without touching low/reverse that is all the way back, then you can. But the second most common failure is low/reverse piston seals so yea,i recommend to tear apart the transfercase and also rebuild the direct drum from transfer that is the #1 failure of that transmission.the transfer is very easy.
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Wolf1685 (04-17-2020)
#13
Unless your going to repair some clutch pack of forward or direct drum without touching low/reverse that is all the way back, then you can. But the second most common failure is low/reverse piston seals so yea,i recommend to tear apart the transfercase and also rebuild the direct drum from transfer that is the #1 failure of that transmission.the transfer is very easy.
#14
Shifting is all electric dependant.it only use 2 solenoid to shift, if you look at the wiring diagram ,you can see which wire in the ecu is for shift solenoid A and shift solenoid B. lift the truck from the back safely and put power on one wire and then change to the other, you will feel the transmission shift,if it does, forget about the tranny and your problem is electric.if doesnt,can be solenoids or valve body,but i bet is electric.
#15
Shifting is all electric dependant.it only use 2 solenoid to shift, if you look at the wiring diagram ,you can see which wire in the ecu is for shift solenoid A and shift solenoid B. lift the truck from the back safely and put power on one wire and then change to the other, you will feel the transmission shift,if it does, forget about the tranny and your problem is electric.if doesnt,can be solenoids or valve body,but i bet is electric.
#16
The tc solenoid should be off except when ECU commands at higher speeds.if you disconnect the solenoid harness from the tranny it should disable lockup of tc and also the shifting.if it still keep stalling or killing the engine can be lockup valve is stuck open or a defective torque converter.
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