Automatic Transmission - 4L80-E/4L85-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis
- Diagnostic Information And Procedures
- Symptoms - Automatic Transmission
- Range Selector Displays Incorrect Range (4.8L and 6.0L)
- Range Selector Displays Incorrect Range (6.6L)
- Tow/Haul Switch/Indicator Always On or Inoperative
- Transmission Fluid Check
- Line Pressure Check
- Road Test
- Torque Converter Diagnosis
- Flexplate/Torque Converter Vibration Test
- Noise and Vibration Analysis
- Clutch Plate Diagnosis
- Engine Coolant/Water in Transmission
- Fluid Leak Diagnosis
- Case Porosity Repair
- Shift Solenoid Leak Test
- Transmission Fluid Cooler Flushing and Flow Test (J 35944-A)
- Transmission Fluid Cooler Flushing and Flow Test (J 45096)
- Automatic Transmission Fluid Leaks
- High Line Pressure
- Forward Motion in Neutral
- Inadequate Lubrication at Low Line or Heavy Loads
- Inadequate Lubrication
- Engine Stall in Neutral
- Loss of Power
- No Torque in Reverse and Third
- Transmission Overheats
- Transmission Overheats at WOT
- Low Line Pressure
- Engine Starts in Gear
- Shift Lever Indicates Wrong Gear
- No Gear Selection
- Loss of Drive
- No Park
- Remains in Park
- Difficult to Shift Out of Park
- Does Not Stay in Park
- No Reverse
- No First Gear - D1
- No Second Gear - D1
- No Overrun Braking - D1
- No Engine Braking - D1
- No First Gear - D2
- No Second Gear - D2
- No Overrun Braking - D2
- No Engine Braking - D2
- No Second Gear Engine Braking - D2
- No First Gear - D3
- No Second Gear - D3
- No Third Gear - D3
- No Overrun Braking - D3
- No Engine Braking - D3
- No First Gear - D4
- First Gear Only - D4
- First and Second Gear Only - D4
- Second Gear Only - D4
- Second and Third Gear Only - D4
- First and Fourth Gear Only - D4
- Third and Fourth Gear Only - D4
- No Second Gear - D4
- No Third Gear - D4
- No Fourth Gear - D4
- No Torque Converter Clutch Apply
- Soft Torque Converter Clutch Apply
- Torque Converter Clutch Slipping
- Torque Converter Clutch Stuck On
- Incorrect Torque Converter Clutch Apply or Release
- Converter Ballooning
- No Torque Multiplication
- Fluid Foaming
- Noise
- Engine Stall
- Vibration
- Oil Out the Vent Tube
- No Torque in Second Gear
- Second Gear Starts
- Third Gear Starts
- Fourth Gear Starts
- Erratic Shift Quality
- Transmission Slips
- Case Extension Bearing/Seal Failed
- Inaccurate Shift Points
- Harsh Shifts
- Harsh Shift D to R
- Harsh Shift 3 to 4
- Harsh Shift 4 to 3
- Harsh Shift D4 to D3, D2, or D1
- Soft Shifts
- Soft Shift into R
- Soft Shift R to D
- Soft Shift 2 to 1
- Soft Shift 2 to 3
- Soft Shift 3 to 2
- Soft Shift D3 to D2
- Delayed Shift 1 to 2
- No D2 to D1
- No D3 to D2
- On-Vehicle Repair Instructions
- Transmission Control Module Replacement
- Automatic Transmission Range Selector Lever Cable Replacement
- Range Selector Lever Cable Adjustment
- Automatic Transmission Range Selector Lever Cable Bracket Replacement
- Park/Neutral Position Switch Replacement
- Tow/Haul Switch Replacement
- Automatic Transmission Fluid and Filter Replacement
- Transmission Fluid Filler Tube and Seal Replacement
- Vehicle Input Speed Sensor Replacement
- Vehicle Output Speed Sensor Replacement
- Park Lock Pawl and Actuator Replacement
- Pressure Regulator Replacement
- Torque Converter Clutch Valve and Spring Replacement
- Accumulator Housing Replacement
- Reverse Servo Replacement
- Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection
- Forward Servo Replacement
- Transmission Fluid Cooler Hose/Pipe Replacement (4.8L, 5.3L, 6.0L)
- Transmission Fluid Cooler Hose/Pipe Replacement (6.6L)
- Transmission Fluid Auxiliary Cooler Replacement
- Transmission Heat Shield Replacement
- Vent Hose
- Manual Shift Shaft Seal Replacement
- Valve Body and Pressure Switch Replacement
- Transmission Extension Housing Rear Oil Seal Replacement
- Transmission Extension Housing Assembly Replacement
- Transmission Mount Replacement
- Transmission Replacement
- Park/Neutral Position Switch Adjustment
- Off-Vehicle Repair Instructions
- Torque Converter Assembly Removal
- Torque Converter End Play Inspection
- Transmission Holding Fixture Installation
- Transmission Fluid Draining
- Speed Sensor Assembly Removal
- Case Extension Assembly Removal
- Transmission Fluid Pan Removal
- Transmission Fluid Filter Assembly Removal
- Transmission Wire Harness Removal
- Control Valve Body Assembly Removal
- Manual 2-1 Band Servo Assembly Removal
- Low and Reverse Band Servo Assembly Removal
- Low and Reverse Band Servo Piston Pin Check
- Manual Shift Shaft Removal
- Parking System Components Removal
- Front End Play Check
- Rear Unit End Play Check
- Transmission Oil Pump Assembly Removal
- Overdrive Assembly Removal
- 4th Clutch Assembly Removal
- Forward Clutch Assembly Removal
- Direct Clutch Assembly Removal
- Manual 2-1 Band Assembly Removal
- Intermediate Clutch Assembly Removal
- Center Support and Gear Unit Assembly Removal
- Low and Reverse Band Removal
- Output Shaft Seal Removal
- Transmission Case Inspection
- Output Shaft Seal Installation
- Parking System Components Installation
- Low and Reverse Band/Thrust Washer Installation
- Center Support and Gear Unit Assembly Disassemble
- Output Carrier Pinion End Play Measurement
- Reaction Carrier Pinion End Play
- Reaction Carrier Assemble
- Center Support Assembly Disassemble
- Center Support Assembly Reconditioning Repair
- Center Support Assembly Assemble
- Center Support and Gear Unit Assembly Assemble
- Center Support and Gear Unit Assembly Installation
- Center Support Bolt and Transmission Fluid Cooler Pipe Fitting Installation
- Intermediate Clutch Assembly Installation
- Intermediate Clutch Piston Travel Check
- Manual 2-1 Band Assembly Installation
- Direct Clutch Assembly Disassemble
- Direct Clutch Assembly Assemble
- Direct Clutch Assembly Installation
- Direct Clutch Piston Travel Check
- Forward Clutch Assembly Disassemble
- Forward Clutch Assembly Assemble
- Forward Clutch Piston Travel Check
- Forward Clutch Hub Assemble
- Forward Clutch Assembly Installation
- 4th Clutch Assembly Disassemble
- 4th Clutch Assembly Assemble
- 4th Clutch Piston Travel Check
- 4th Clutch Assembly Installation
- Overrun Clutch Assembly Disassemble
- Overrun Clutch Assembly Assemble
- Overrun Clutch Piston Travel Check
- Overdrive Carrier Pinion End Play Check
- Overdrive Carrier Assembly Disassemble
- Overdrive Carrier Assembly Assemble
- Turbine Shaft Disassemble
- Turbine Shaft Assemble
- Overdrive Carrier Assemble
- Turbine Shaft/Overdrive Carrier Installation
- 4th Clutch Plate Installation
- Transmission Oil Pump Disassemble
- Transmission Oil Pump Cover Disassemble
- Transmission Oil Pump Cover Assemble
- Transmission Oil Pump Body to Gear Face Clearance Check
- Transmission Oil Pump Body Disassemble
- Transmission Oil Pump Body Flatness Check
- Transmission Oil Pump Body Assemble
- Transmission Oil Pump Assemble
- Transmission Oil Pump Assembly Installation
- Manual 2-1 Band Servo Assembly Disassemble
- Manual 2-1 Band Servo Assembly Assemble
- Manual 2-1 Band Servo Assembly Installation
- Low and Reverse Band Servo Apply Piston Pin Check
- Low and Reverse Band Servo Assembly Disassemble
- Low and Reverse Band Servo Assembly Assemble
- Low and Reverse Band Servo Assembly Installation
- Third and Fourth Clutch Accumulator Housing Removal
- Third and Fourth Clutch Accumulator Housing Disassemble
- Third and Fourth Clutch Accumulator Housing Assemble
- Control Valve Body Assembly Disassemble
- Control Valve Body Cleaning and Inspection
- Control Valve Body Assembly Assemble
- Third/Fourth Clutch Accumulator Housing Installation
- Control Valve Body Assembly Installation
- Wiring Harness Installation
- Transmission Fluid Filter Assembly Installation
- Transmission Fluid Pan Installation
- Speed Sensor Assembly Installation
- Case Extension Assembly Installation
- Torque Converter Assembly Installation
- Holding Fixture Removal
- Descriptin And Operation
- Transmission General Information
- Transmission Identification Information
- Definitions and Abbreviations
- Transmission General Description
- Transmission Component and System Description
- Transmission Adaptive Functions
- Electronic Component Description
- Torque Converter Clutch Solenoid Valve
- Pressure Control Solenoid Valve
- 1-2 Shift Solenoid Valve
- 2-3 Shift Solenoid Valve
- Automatic Transmission Fluid Pressure Manual Valve Position Switch
- Automatic Transmission Input Shaft Speed and Output Shaft Speed Sensors
- Automatic Transmission Fluid Temperature Sensor
- Transmission Range Switch
- Automatic Transmission Inline 20-Way Connector Description
- Automatic Transmission Hydraulic Diagrams
- Park or Neutral - Engine Running
- Reverse
- Overdrive Range, First Gear
- Overdrive Range, Second Gear
- Overdrive Range, Third Gear - Torque Converter Clutch Applied
- Overdrive Range, Fourth Gear - Torque Converter Clutch Applied
- Overdrive Range, 4-3 Downshift
- Overdrive Range, 3-2 Downshift
- Manual Third Gear
- Manual Second Gear
- Manual First Gear
- Fluid Passages
- Special Tools