That depends on what has been done to the transmission. If it is a stock C4 then you do the following: Back the lock nut off and hold it. Tighten the adjusting screw to 10 ft lbs and then back it out 1 1/2 turns for the front and 3 turns for the back. While holding the adjusting screw tighten the lock nut.

Adjust the rotating threader on the cable until the cable is "tight" when it lines up with the hole on the linkage and reconnect. Some folks might adjust so it kicks down before the peddle is down to the floor.

Adjustments to the modulator will only mildly affect your shift points. You should NEVER adjust the modulator more than 3 turns in either direction - it can damage the modulator and the transmission. The best thing to do is to remove the modulator and check the modulator pin dimension.

Loosen the shifter clamp nut at the elongated hole in the shifter linkage & push the selector lever on the transmission all the way to the rear. Turn the drive shaft by hand until the park pawl engages & the drive shaft is locked.

1. Intermediate band adjustment. Loosen the lock nut. Then tighten the band adjustment screw to 10 ft-lbs. Then back off 1 3/4 turns. Then tighten the locknut to 40 ft-lbs. 2. Reverse band adjustement. Loosen the lock nut. Then tighten the band adjustment screw to 10 ft-lbs. Then back off 3 full turns. Then tighten the locknut to 40 ft-lbs ...