Does a TH350 have a lockup torque converter?

Does a TH350 have a lockup torque converter?

The TH350-C was the lockup torque converter version introduced in the late 1979 model year, and was produced through 1984. This later version had an electronic lock-up converter to increase fuel-efficiency at cruising speeds.

What is the difference between a TH350 and a TH350C?

TH350 and a TH350C have different cases, input, converter. The C has lock up. Shouldl work if you want lockup.

How does a torque converter lockup switch work?

Torque converter lock-up is engaged through a solenoid mounted inside the transmission. When the solenoid is energized it redirects the fluid flow back through the input shaft to put pressure against the clutch assembly allowing it to engage with the front of the torque converter.

Can a torque converter lockup?

Lockup Torque Converter Failures A torque converter lockup clutch may fail and there are different ways this failure can occur. For instance, this component can remain locked up, and as such, it causes the engine to stall as the car is braked.

How do I control the torque converter lockup?

This feature is often controlled by the vehicle’s computer when certain conditions are met, however this can be bypassed, and a toggle switch can be used to control torque converter lockup anytime the driver wishes. Drive the vehicle onto car ramps, put it in park, and set the emergency brake.

Is there a diagram for th350c lockup wiring?

If you Google image search “TH350C lockup wiring” you’ll get lots of diagrams, both simple and complex, depending on the goal.  There are some interesting variations, also, including one where you could wire in a vacuum switch to cut out the lockup when you stomp on it.

How does the torque converter lock up on a 700R4 transmission?

Torque converter lockup on the 700R4 transmission is controlled by the TCC solenoid. When the solenoid is engaged, fluid is applied to the torque converter clutch, creating lockup and a direct link between the engine and transmission.

How does the 350C lock up in third gear?

This diagram should get you through it. The 350C also used a vacuum switch on the carb/intake in conjunction with the brake switch. When vacuum dropped from depressing the accelerator it would disengage the lockup. 350C only locks up in 3rd gear so there must be a pressure switch on VB.