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Old 01-03-2011, 10:21 AM   #1
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Question for transmission geeks lol

I have a 32rh in my tj. It has the locking torque converter. What if you had a switch in the cab to lock the converter for better engine braking down sttep inclines? Any thoughts??? Thanks
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Old 01-03-2011, 11:21 AM   #2
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It is a lot more complex than that as it is electric over hyd and would require some trick plumbing. also unless your shifter is placed in manual low you dont have engine braking in first [let off gas before one-two shift is made you will notice engine goes back to idle and trans freewheels]

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Old 01-03-2011, 11:47 AM   #3
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Very true Herbie... However... Ive had the 32rh apart and its only a solonoid that activates the converter locker.... Maybe im missin somethin else... Thought you could just put a toggle with a 12v source. Anyone else??
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Old 01-03-2011, 12:10 PM   #4
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I haven't done it on a Jeep, but I have done it with 700r4's.

It just takes a toggle switch to flink the solenoid. Since that signal is from the PCM, I'd use a diode to isolate it from the PCM - or better yet, let the toggle switch (2 pole) disconnect it from the PCM at the same time it engages the converter.

Check the FSM to make sure to PCM isn't grounding the solenoid to activate it rather than +12 volts.

He He - when you forget to unlock it and and come to a full stop, the engine will die.
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Old 01-03-2011, 12:23 PM   #5
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yes the engine will die..... but it will definitly make engine braking a lot easier... just cant let people mess with switches they know nothing about. Actually might make a good theft deterent.... everytime they throw it in drive it would stall out lol
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Old 01-03-2011, 01:06 PM   #6
Knows a couple things...

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A 32rh is not a 700r4 and it would be very easy indeed to wire a simple on-off (spst) switch to lock up its solenoid actuated torque converter. Common sense of course says you unlock it before you come to a stop which is a no brainer.
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Old 01-03-2011, 03:51 PM   #7
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I was awaiting your reply Jerry lol.... Do you think its something that would be worthwhile? Where I live sometimes we get some good snows and on those long steep inclines it would be nice to have something there to keep my baby in check
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Old 01-04-2011, 04:22 PM   #8
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The Jerry bump
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Old 01-04-2011, 04:51 PM   #9
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I heard somewhere that LandRover didn't put the locking axle switch into their Discoveries here in the US. They were worried American drivers would be too dumb to remember to unlock the axle on pavement. That made me mad when I read it, but lordy, I'd be too dumb to hit a toggle switch before coming to a stop.
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Old 01-04-2011, 05:17 PM   #10
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Quote:
Originally Posted by Geoff@Bestop View Post
I heard somewhere that LandRover didn't put the locking axle switch into their Discoveries here in the US. They were worried American drivers would be too dumb to remember to unlock the axle on pavement. That made me mad when I read it, but lordy, I'd be too dumb to hit a toggle switch before coming to a stop.
well since most people dont read the owners manual, its pretty normal they did that.
just see how many people asking how to engage the 4wd mode here once a month.
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Old 01-04-2011, 06:47 PM   #11
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Lol... very true.... maybe a momentary switch..... tough to navigate a steep incline with one finger on what could look like the self destruct button

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