Content

General description and electrical components

Selector positions and planetary gear description

Internal component application and solenoid chart

Line pressure chart and tap locations

AODE, no upshift

4R70W introduced with gear ratio changes

Vehicle identification to determine AODE or 4R70W

1992-1993 valve body and spacer plate identification

4R70W, 3-Neutral shift and forward clutch burnt (sleeve)

Irregular or no TCC apply (new solenoid)

Slips forward, reverse ok

Converter clutch shudder

EPC solenoid and retainer changes

Slipping 1-2 shift (new accumulator piston)

Firmer 1-2 upshift

Delay to reverse

New design front pump and stator for 1995

Case and valve body changes for 1996

New design intermediate diode freewheel

New 2-3 accumulator piston

Internal and case connector function changes for 1998

Case interchangeability, MLPS and external linkage

DTC P0741, P0750, P0755, P1746

4R70W, valve body changes for 2001

4R70E, production changes for 2004

4R70E/4R75E turbine shaft speed sensor added

Loss of EPC pressure

2-3 neutral shift

Neutrals in 1st gear from stop

Number 5 thrust bearing change for 1994-2003 models

Intermittent or total loss of VSS signal

RE-calibrating the programable speedometer /odometer module