Update Handbook for the Ford 4R100 Transmission. Covers all changes that have occurred from 1998-UP, parts affected by the changes, interchangeability, and part numbers. Since the introduction of the 4R100 transmission in model year 1998, there have been many engineering changes to improve Pleaseability, Reliability and Durability concerns. These changes have affected most every part used in this transmission. This "Update Handbook" will explain each change, the reason for the change, and any parts interchangeability concerns created by the change, along with any part numbers needed to update your transmission, parts affected by the changes, interchangeability, and part numbers. A must for 4R100 rebuilders.

Contents: 

• Preliminary Diagnostic Information
• Identification Tag Location and Information
• Lube Oriface Plug and Extension Housing Information
• Manual Lever Identification
• Cooler Bypass Valve Differences
• Pump Cover Valves Exploded View
• Pump Stator Differences
• Coast Clutch Housing Differences
• Overdrive Roller Clutch Differences
• Overdrive Friction Differences
• Valve Body Checkball Locations
• Lower Valve Body Spacer Plate Identification
• Main Case Checkball Locations
• All Valve Bodies Exploded Views
• Electronic Component Resistance Charts
• Solenoid Connector Pin Identification
• Trouble Code Chart and Description
• Power Take Off Description and Operation
• "Non-PTO" and "PTO" Hydraulic Differences
• Main Case Central Lube Added
• Spacer Plate Differences PTO and Non-PTO
• "Non-PTO" and "PTO" Pump Differences
• PWM Solenoid Pack Resistance Chart
• Six Pinion Forward and Rear Planetary Carriers
• New Design Sun Shell
• Intermediate Diode Freewheel Failure
• Hydraulic Passage Identification
• No TCC At Less Than 30% Throttle
• New "Special" 4R100 Case for E4OD Replacement