Operation CHARM: Car repair manuals for everyone.

4R70E/4R75E








General Specifications











Line Pressure Chart





Band and Clutch Application Chart A





A = Applied

Band and Clutch Application Chart B





a HD = Hydraulically Disabled
b NE = No Effect
c H = Hold
d EC = Electronically Controlled
e OR = Overrunning

Shift Speed Chart

NOTE: Shift speed ranges are approximate. Always drive the vehicle in a safe manner according to driving conditions and obey all traffic laws.






Sensor Resistance Readings





Solenoid Operation Chart





a When a manual pull-in occurs above a calibrated speed, the transmission will not downshift from the higher gear until the vehicle speed drops below a calibrated speed.
EC = Electronically Controlled

HD = Hydraulically Disabled





Selective Thrust Washer - No. 1 (7D104)





Forward Clutch Pack





Reverse Clutch Pack





Direct Clutch Pack





Intermediate Clutch Pack





Torque Specifications





a Refer to the procedure.