Can I drive without a kickdown cable?

Shouldn’t be a problem. The cable adjusts system pressure, so shift pressure. With the cable fully retracted it will shift lazy/slip a lot, if the cable was pulled fully out it will shift more firmly, less slip.

What is the purpose of a kick down cable?

One component that helps both drive systems communicate is the kickdown cable. This device helps the engine relay information on revolutions per minute (RPM) to the automatic transmission and essentially tells it that it’s time to shift gears.

Do I need the kickdown cable on a TH350?

On the 3-speeds (TH350, TH400, etc.), the “kickdown” is indeed just that. When actuated, the transmission shifts down into 2nd gear. That is all, and as such, is NOT required unless you want that functionality.

What happens when a kickdown cable goes bad?

The kickdown cable works for effective communication between the engine and the transmission of your car. When this cable starts to wear out, then you will notice that the transmission is hard to shift, the gear shifts early and fast, and there is slow & late shifting of the transmission.

When should you use kickdown?

Explanation: The action of sharply pressing the accelerator to the floor (kick-down) will send a signal to the transmission to select a lower gear. This is useful when wanting to accelerate briskly, such as when overtaking another vehicle.

Do all automatic cars have kickdown?

Almost all automatic cars have the kickdown feature. … On a modern automatic car, if the driver presses the accelerator pedal to the floor, the vehicle may downshift two gears for even greater power, but only if the gearbox determines first that the engine will not over-rev.

Where is the kickdown cable located?

The kick down cable is mounted to the carburetor, or, in the case of fuel injected vehicles, the throttle body. It runs from the butterfly arm on the carburetor down to the side of the transmission, where it attaches to an arm that allows the transmission to shift gears.

How do you install a transmission kickdown cable?

How do you hook up a kick down cable?

How does th400 kickdown work?

This WOT trigger achieves two things: it ensures the transmission line pressure is at maximum for strongest application of the clutches and then downshifts the transmission to the next lowest gear, depending upon vehicle speed.

Can you run a 700r4 without a TV cable?

There are no TV cable, mechanical speedometer drive, or governor provisions. … To run a 700-R4 trans behind a carbureted engine without a computer, at the very least the TV cable must be hooked up to the carburetor and properly adjusted.

How does TH350 kickdown work?

The kickdown function of General Motors vehicles equipped with the Turbo 350 automatic transmission is perhaps better known as “passing gear.” As the accelerator is depressed, the throttle lever on the engine is drawn back by a cable, which in turn pulls another cable attached to the transmission, causing it to …

Where is the kickdown switch on a TH400?

When the Turbo 400 began reaching production models in the late ’60s, its kickdown switch was mounted on or near the carburetor. It was, however, relocated to the passenger compartment and mounted on the throttle pedal in later years.

Are all TH400 electric kickdown?

61-293495-1. The TH400 transmissions have an electric passing gear switch (kick down switch). This switch is located just above the gas pedal. The transmission will never work correctly without this switch.
…
Description.
Year 1969
Make Buick
Model GS 350
Trim All
Engine All

How do I set up a kickdown on TH400?

Slide the kickdown cable end stop onto the inner wire. Move the throttle to wide open and hold it there while pulling the kickdown inner wire as tight as possible. Slide the cable end stop up against the kickdown throttle body fitting and tighten the set screw using the supplied 5/64″ Allen wrench.

What does the vacuum modulator do on a Turbo 400?

The vacuum modulator is a vital component of automatic transmissions. It tells the transmission what kind of load is being put on it, allowing the transmission to react with the proper line pressures and shift points. … Simply adjust the screw inside the vacuum nipple for more or less diaphragm pre-load.

How do you adjust a TH400 vacuum modulator?

How does a kick down switch work?