AODE, 4R70W, 4R70E, 4R75E Update Handbook – ATSG



AODE, 4R70W, 4R70E, 4R75E Update Handbook - ATSG PDF

INTRODUCTION AODE, 4R70W, 4R70E, 4R75E

Since the introduction of the AOD-E transmission in model year 1992, there have been many major engineering design changes to improve durability and reliability. These changes have affected nearly every part used in the AOD-E, including two name changes, 4R70W and 4R75E. This “Update Handbook” will explain each change, the parts affected by the change, and any parts interchangeability concerns created by the change.

INDEX

  • 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

Language: English
Format: PDF
Pages: 122
Size: 7.13 Mb
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