Overhaul - 4R70W Automatic Transmission

• Application
• Identification
• Description
• Lubrication & Adjustments
• On-Vehicle Service
  • Valve Body Assembly
    • Notes
    • Removal
    • Installation
  • Transmission Range (Tr) Sensor
    • Removal
    • Installation
  • Overdrive Servo Assembly
    • Removal
    • Installation
  • Reverse Servo Assembly
    • Removal
    • Installation
  • 1-2 & 2-3 Accumulator Piston
    • Notes
    • Removal
    • Installation
  • Extension Housing Bushing & Rear Oil Seal
    • Removal
    • Installation
  • Extension Housing
    • Removal
    • Installation
• Trouble Shooting
  • Notes
  • Symptom Diagnosis
    • No Forward Engagement
    • No Reverse Engagement
    • Harsh Reverse Engagement
    • Harsh Forward Engagement
    • Delayed/Soft Reverse Engagement
    • Delayed/Soft Forward Engagement
    • Some Or All Shifts Missing
    • Early/Late Shift Speeds
    • Erratic/Hunting Shifting
    • Soft/Slipping Shift Feel
    • Harsh Shift Feel
    • 2nd Or 3rd Gear Starts In Drive (Or OD)
    • No Manual Low Gear
    • No Manual 2nd Gear
    • No 1-2 Automatic Shift
    • No 2-3 Automatic Shift
    • No 3-4 Automatic Shift
    • No 4-3 Automatic Downshift
    • No 3-2 Automatic Downshift
    • No 2-1 Automatic Downshift
    • No Torque Converter Clutch Application
    • Torque Converter Clutch Always Applied
    • Torque Converter Clutch Cycling/Shudder/Chatter
  • Miscellaneous Faults
    • Intermittent Loss Of Torque During Or Just After 3-4 Upshift Or In 4th Gear
    • No Engine Braking In 2nd Gear, Manual 2nd Gear Or Manual 1st Gear
    • Poor Vehicle Performance
    • Transmission Overheating
• Clutch & Band Application Table
• Testing
  • Notes
  • Road Test
  • Control Pressure Test
    • Notes
    • Line Pressure Test
    • EPC Pressure Check
  • Control Pressure Specifications
  • Line Pressure Test Results
    • High At Idle In All Ranges
    • Low At Idle In All Ranges
    • Low In "P"
    • Low In "R"
    • Low In "N"
    • Low In "D"
    • Low In "2nd"
    • Low In "1st"
  • Direct Clutch Pressure Test
  • 4R70W Shift Speed Specifications
  • Stall Speed Test
    • Notes
    • Testing Precautions
    • Testing Procedure
  • Stall Speed Test Results
    • Low In All Ranges
    • High In "D" Position
    • High In "D", "2" & "1" Position
    • High In "D", "2", "1" & "R" Position
    • High In "R" Position
  • Air Pressure Tests
    • Test Procedures
    • Reverse Clutch
    • Forward Clutch
    • Intermediate Clutch
    • Overdrive Servo
    • Low-Reverse Servo
    • Direct Clutch
    • 2-3 Accumulator
• Torque Converter
  • Notes
  • Converter Flushing
  • Leak Test
  • End-Play Check
  • One-Way Clutch Check
  • Stator Interference Check
    • Stator-To-Impeller Interference Check
    • Stator-To-Turbine Interference Check
• Removal & Installation
• Transmission Disassembly
• Component Disassembly & Reassembly
  • Notes
  • Planetary Gear Support & Planetary One-Way Clutch
    • Notes
    • Disassembly
    • Inspection
    • Reassembly
  • Direct Clutch Assembly
    • Disassembly
    • Inspection
    • Reassembly
  • Forward Clutch
    • Disassembly
    • Reassembly
  • Intermediate One-Way Clutch
    • Disassembly & Reassembly
  • Oil Pump & Intermediate Clutch Piston
    • Disassembly
    • Reassembly
  • Output Shaft Assembly
    • Disassembly & Reassembly
  • Reverse Clutch
    • Disassembly
    • Reassembly
  • Sun Gear & Driving Shell
    • Disassembly
    • Reassembly
  • Valve Body (Main Control) Assembly
    • Notes
    • Disassembly
    • Cleaning & Inspection
    • Reassembly
• Transmission Reassembly
  • Notes
  • Overhaul - 4R70W Automatic Transmission
    • Reassembly
• Torque Specifications
• Transmission Specifications