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How do you adjust a 700R4 TV cable?
Adjustment procedure (self-adjusting cable)
- Stop the engine.
- Depress the adjusting tab and move the slider back through the fitting away from the carburetor until it stops.
- Release the adjustment tab.
- Move the throttle linkage to rest against the full throttle stop, then release it .
At what speed should a 700R4 shift?
The GM 700-R4 is one of the most popular overdrive automatic transmissions used in street rods. And why not, you might ask-they have a 3.06:1 First gear for launching from a standstill, a . 70:1 overdrive Fourth for low-rpm highway cruising, and they can be built to withstand a tremendous amount of horsepower.
How do I make 700R4 shift later?
If the transmission shifts late, pull over, pop the hood, and grab the cable adjuster with your left hand so it stays in place. When you press the cable adjuster release button, pull the cable adjuster forward a few clicks. This will cause the transmission to shift earlier.
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.
What makes a 700R4 shift?
Our 700R4 comes with the Mega Valve and an oversize low / reverse boost valve, these two valve produce higher pressure and firmer shifts. All of our high performance 700R4 transmissions come with a 13 vane high performance / high volume pump.
How does a kick down cable work?
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.
What does a governor do on a 700R4 transmission?
The transmission governor on a 700R4 is used to regulate the speed at which the transmission shifts into the next higher or lower gear. It accomplishes this through the use of two sets of centrifugal weights, each a different weight.
How do I know if my kick down cable is bad?
Symptoms of a Bad or Failing Kickdown Cable
- The transmission shifts hard. An automatic transmission has multiple parts that are engineered to produce a smooth transition from one gear to another.
- The car shifts early and fast.
- The transmission shifts slow and late.
What does the TV cable do on a 700R4 transmission?
The TV cable on the 700R4 and 200-4R transmissions controls line pressure, shift points, shift feel, part throttle downshifts, and detent (full throttle) downshifts. So if the TV cable is not adjusted properly, it can cause numerous transmission problems.
How do you adjust the shift feel on a 700R4 transmission?
However, remember that on the 700R4 and 2004R Transmission the TV cable controls both shift feel (clutch apply pressure) and shift points, you therefore cannot alter one without altering the other. Shortening the Cable : If you shorten the cable (move it towards the adjuster tab), this raises both one pressure and shift point.
How do I adjust the TV cable on a gasoline engine?
The cable end mounting point should follow a 78° arc between closed throttle and WOT in order to achieve the proper amount of pull on the cable. Adjustment of the TV Cable on a gasoline engine. For a diesel application go to Step 5. a. Adjustments are made with the engine off. Locate the Adjust Tab on the cable housing.
How do you adjust the shift point on a TV cable?
Shortening the Cable : If you shorten the cable (move it towards the adjuster tab), this raises both one pressure and shift point. However, when the drive performs a full throttle downshift the TV cable will readjust to its approximate normal position.