Automatic Transmission - 4R75W

• Specifications
  • General Specifications
  • Line Pressure Chart
  • Torque Converter Stall Speed Specifications
  • Clutch Pressure Specifications
  • Band And Clutch Application Specifications
  • Band And Clutch Application Chart B Specifications
  • Shift Speed Reference
  • Sensor Resistance Readings Specifications
  • Selective Thrust Washer Specifications
  • Forward Clutch Pack Specifications
  • Reverse Clutch Pack Specifications
  • Direct Clutch Pack Specifications
  • Intermediate Clutch Pack Specifications
  • Torque Specifications
• Description And Operation
  • Transmission Description
  • Identification Tags
  • Range Selection
    • Notes
    • Park
    • Reverse
    • Neutral
    • Overdrive
    • Second Position
    • First Position
  • Shift Patterns
    • Upshifts
    • Downshifts
    • Coastdown
    • Torque Demand
    • Kickdown
  • Disassembled Views
  • Bushings, Bearing and Thrust Washer Locator
  • Seals, Rings and Gasket Locator
  • Main Components and Functions
  • Torque Converter
  • Geartrain
    • Notes
    • Planetary Gearset
    • Input Shaft
    • Stub Shaft
    • Output Shaft
  • Apply Components
    • Notes
    • Band - Overdrive
    • Band - Low and Reverse
    • Clutch - Intermediate
    • Clutch - Forward
    • Clutch - Direct
    • Clutch - Reverse
    • One-Way Clutch - Planetary (Low)
    • One-Way Clutch - Intermediate
  • Hydraulic System
    • Fluid Pump
    • Filter
    • Main Control
    • Accumulators
  • Transmission Electronic Control System
    • Electronic System Description
    • Mass Air Flow (MAF) Sensor
    • Powertrain Control Module (PCM)
    • Transmission Control (TC) Switch and Transmission Control Indicator Lamp (TCIL)
    • Output Shaft Speed (OSS) Sensor
    • Turbine Shaft Speed (TSS) Sensor
    • Digital Transmission Range (TR) Sensor
    • Transmission Fluid Temperature (TFT) Sensor
    • Electronic Pressure Control (EPC) Solenoid
    • Shift Solenoid - SSA, SSB
    • Torque Converter Clutch (TCC) Solenoid
    • 4x4 Low (4x4L) Range Switch
    • Brake Pedal Position (BPP) Switch
    • Electronic Ignition (El) System
    • Air Conditioning (A/C) Clutch
    • Intake Air Temperature (IAT) Sensor
    • Engine Coolant Temperature (ECT) Sensor
    • Throttle Position (TP) Sensor
  • Transmission Cooling
  • External Controls
    • Notes
    • Shift Interlock System
    • Transmission Control Switch (TCS)
• Diagnosis And Testing
  • Diagnostic Strategy
    • Notes
    • Preliminary Inspection
    • Diagnostics
  • Diagnostic Flow Chart
  • Preliminary Inspection
    • Notes
    • Know and Understand the Concern
    • Verification of Condition
    • Determine Customer Concern
    • Check Fluid Level and Condition
      • Fluid Level Check
      • High Fluid Level
      • Low Fluid Level
      • Adding Fluid
      • Fluid Condition Check
  • Road Testing Vehicle
  • Shift Point Road Test
    • Notes
    • Shift Speed Chart
  • Torque Converter Diagnosis
    • Notes
    • Torque Converter Operation Test
  • Visual Inspection
    • Notes
    • Shift Linkage Check
    • Check TSBs and OASIS
    • Carry Out On-Board Diagnostics (KOEO, KOER)
  • Diagnostics
    • Special Tool(s)
    • On-Board Diagnostics With Diagnostic Tool
  • Output State Control (OSC) Mode
    • Special Tool(s)
    • Output State Control (OSC) Procedures
    • OSC - Bench Mode
    • SSA, SSB and TCC in BENCH MODE
    • LINEDSD in BENCH MODE
    • OSC - Drive Mode
    • OSCGEAR in DRIVE MODE
    • TCC in DRIVE MODE
    • Using Output State Control (OSC) and Monitoring PIDs
  • Transmission Drive Cycle Test
    • Notes
    • After On-Board Diagnostic
    • Before Pinpoint Tests
  • Diagnostic Trouble Code (DTC) Charts
    • Diagnostic Trouble Code Chart
    • Rotunda Transmission Tester
  • Transmission Connector Layouts
    • Notes
    • Wiggle Test Information For Open/Shorts
  • Pinpoint Tests - OSC Equipped Vehicle
    • Special Tool(s)
    • Shift Solenoids Pre-Diagnosis
    • Shift Solenoid Failure Mode Chart "Always Off"
    • Shift Solenoid Failure Mode Chart "Always On"
    • Pinpoint Test A: Shift And Torque Converter Clutch Solenoids
    • Pinpoint Test B: Transmission Fluid Temperature (TFT) Sensor
    • Pinpoint Test C: Digital Transmission Range (Tr) Sensor
    • Pinpoint Test D: Electrical Pressure Control (EPC) Solenoid
    • Pinpoint Test E: Output Shaft Speed (OSS) Sensors
    • Pinpoint Test F: Turbine Shaft Speed (TSS) Sensors
    • Pinpoint Test G: Solenoid Mechanical Failure
  • Special Testing Procedures
    • Notes
    • Engine Idle Speed Check
    • Line Pressure Test
    • Line Pressure Diagnosis Chart
    • Stall Speed Test
    • Stall Speed Diagnosis Chart
    • Air Pressure Tests
    • Clutch Pressure Test
      • Clutch Pressure Chart 5.4L (3V)
  • Leakage Inspection
    • Notes
    • Fluid Leakage In Torque Converter Area
  • Transmission Fluid Cooler
    • Notes
    • Transmission Fluid Cooler Flow Test
  • Diagnosis By Symptom
    • Special Tool(s)
    • Diagnosis by Symptom Chart Directions
      • Notes
      • Diagnosis by Symptom Index
    • Diagnostic Routines
      • Engagement Concern: No Forward
      • Engagement Concern: No Reverse
      • Engagement Concern: Harsh Reverse
      • Engagement Concern: Harsh Forward
      • Engagement Concern: Delayed/Soft Reverse
      • Engagement Concern: Delayed/Soft Forward
      • Shift Concerns: Some/All Shifts Missing
      • Shift Concerns: Timing Concerns - Early/Late
      • Shift Concerns: Timing Concerns - Erratic/Hunting
      • Shift Concerns: Feel - Soft/Slipping
      • Shift Concerns: Feel - Harsh
      • Shift Concerns: No 1st Gear, Engages In Higher Gear
      • Shift Concerns: No Manual 1st Gear
      • Shift Concerns: No Manual 2nd Gear
      • Shift Concerns: 1-2 Shift (Automatic)
      • Shift Concerns: 2-3 Shift (Automatic)
      • Shift Concerns: 3-4 Shift (Automatic)
      • Shift Concerns: 4-3 Shift (Automatic)
      • Shift Concerns: 3-2 Shift (Automatic)
      • Shift Concerns: 2-1 Shift (Automatic)
      • Torque Converter Clutch Operation Concerns: No Apply
      • Torque Converter Clutch Operation Concerns: Always Applied/Stalls Vehicle
      • Torque Converter Clutch Operation Concerns: Cycling/Shudder/Chatter
      • Other Concerns: No Engine Braking In Manual 2nd Or Manual 1st Position
      • Other Concerns: Shift Lever Efforts High
      • Other Concerns: External Leaks
      • Other Concerns: Poor Vehicle Performance
      • Other Concerns: Noise/Vibration - Forward Or Reverse
      • Other Concerns: Engine Will Not Crank
      • Other Concerns: No Park (P) Range
      • Other Concerns: Overheating
  • Transmission Cooling
    • Inspection and Verification
    • Symptom Chart
      • Symptom Chart
    • Component Test
      • Transmission Fluid Cooler Leaks at Radiator
• General Procedures
  • Transmission Fluid Cooler - Backflushing and Cleaning
    • Material
  • Transmission Fluid Drain and Refill
    • Special Tool(s)
    • Material
    • Draining, all vehicles using a suitable flush and fill machine
    • Refill
    • Draining, all vehicles not using a suitable flush and fill machine
  • Transmission Range (TR) Sensor Adjustment
    • Special Tool(s)
    • Material
  • Torque Converter
  • Torque Converter Contamination Inspection
• In-Vehicle Repair
  • Fluid Pan, Gasket and Filter
    • Material
    • Removal
    • Installation
  • Transmission Filter - In Line
    • Material
  • Transmission Filler Tube
    • Special Tool(s)
    • Removal and Installation
  • Main Control Valve Body
    • Special Tool(s)
    • Removal
    • Installation
  • Extension Housing Gasket
    • Material
    • Removal
    • Installation
  • Extension Housing Seal
    • Special Tool(s)
    • Material
    • Removal
    • Installation
  • Electronic Pressure Control (EPC) Solenoid
    • Special Tool(s)
    • Removal
    • Installation
  • Manual Control Lever Shaft and Seal
    • Special Tool(s)
    • Removal and Installation
    • Installation
  • Digital Transmission Range (TR) Sensor
    • Special Tool(s)
    • Removal
    • Installation
  • Reverse Servo Assembly
    • Special Tool(s)
    • Removal
    • Installation
  • Overdrive Servo
    • Special Tool(s)
    • Removal
    • Installation
  • 1-2 Accumulator
    • Removal
    • Installation
  • 2-3 Accumulator
    • Removal
    • Installation
  • Transmission Insulator and Retainer
    • Removal
    • Installation
  • Speed Sensors
    • Notes
    • Removal and Installation
• Removal
  • Transmission - 4x2
    • Special Tool(s)
    • Removal
  • Transmission - 4x4
    • Special Tool(s)
    • Removal
• Disassembly
  • Transmission
    • Special Tool(s)
• Disassembly And Assembly Of Subassemblies
  • Main Control Valve Body
    • Disassembly
    • Assembly
  • Pump and Intermediate Clutch Piston
    • Special Tool(s)
    • Disassembly
    • Assembly
  • Intermediate One-Way Clutch
    • Notes
    • Disassembly
    • Assembly
  • Reverse Clutch
    • Special Tool(s)
    • Material
    • Disassembly
    • Assembly
  • Forward Clutch Cylinder
    • Special Tool(s)
    • Material
    • Disassembly
    • Assembly
  • Planetary Gear Support Assembly and Planetary One-Way Clutch
    • Notes
    • Disassembly and Assembly
  • Reverse Sun Gear
    • Disassembly
    • Assembly
  • Output Shaft and Direct Clutch Cylinder
    • Special Tool(s)
    • Material
    • Disassembly
    • Assembly
• Assembly
  • Transmission
    • Special Tool(s)
    • Material
    • Assembly
• Installation
  • Transmission - 4x2
    • Special Tool(s)
    • Material
    • Installation
  • Transmission - 4x4
    • Special Tool(s)
    • Material
    • Installation