If a person were to disable the torque converter clutch solenoid, would the transmission operate as before but without the TC Lock-up function?

 

I'm not 100% sure, but I don't think you would want it to work without the TC locking up...maybe someone else will chime in soon.

 

If it did I would think it would probably overheat. Not good for long life.

 

First off, why would you even want to disable TC lockup? When your at higher speeds and the TC locks up it takes load off of your engine and makes your powertrain relax a little.

Second, I would leave things stock. If you reach lockup speeds and don't allow the TC to lock then I would imagine that it would be capable of messing something up in there or disturbing fluid flow in a way.

Just my opinion, take it or leave it!

 

when my TCC solenoid failed, i wasnt able to drive at 60mph for longer than 10 minutes before my trans temp guage went off the end (thats 240 degrees). leave it plugged in!

 

Truck has 140k and sent half its life pulling a travel trailer. Have no idea what condition the TC clutch packs are in and trying to figure ways to make the tranny last a little longer.
As I understand, when the overdrive is off, the TC locks at around 35 mph with a light throttle when in 3rd gear. When traveling in the mountains the tranny often shifts from 3rd to 2nd to 1st depending on the incline and then back to 2nd to 3rd. When the temperature increases as measured at the tranny outline, increasing the RPMs by dropping down a gear and pumping more fluid through the coolers brings it down to a reasonable number.
My old RC with a 727 didn't have a lock up torque converter nor an over drive and never seemed to have a problem.