Section 1 (Automatic Transmission - 6L50/6L80/6L90 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis)
WARNING: This page is about a different variant/trim than selected.
- Diagnostic Information and Procedures
- Symptoms - Automatic Transmission
- Control Solenoid Valve and Transmission Control Module Assembly Inspection
- Control Solenoid Valve and Transmission Control Module Assembly Input Shaft Speed/Output Shaft Speed Input Test
- Control Solenoid Valve and Transmission Control Module Assembly Solenoid Performance Test
- Reset Transmission Adapts
- Transmission Fluid Level and Condition Check
- Transmission Fluid Fill Procedure
- Line Pressure Check
- Road Test
- Torque Converter Diagnosis
- Torque Converter Stator
- Poor Acceleration at Low Speed
- Poor Acceleration at High Speed
- Noise
- Torque Converter Clutch
- Torque Converter Clutch Shudder
- If Shudder Occurs During TCC Apply or Release
- If Shudder Occurs After TCC has Locked
- Torque Converter Vibration Test
- Isolating Vibration
- Indexing Torque Converter
- Flexplate/Torque Converter Vibration Test
- Bushing and Mating Shaft Inspection
- Vibration
- Noise and Vibration Analysis
- Whine/Growl Noise That Changes with Vehicle Speed
- Whine/Growl Noise That Changes with Engine Speed
- Noise in First or Reverse Gear
- Noise in First, Second, Third, Fourth, Fifth, or Reverse Gear
- Noise in First, Second, Sixth, or Reverse Gear
- Noise in Second or Sixth Gear
- Noise During 3-4 or 4-3 Shifts
- Noise in Fourth, Fifth, or Sixth Gear
- Clutch Plate Diagnosis
- Engine Coolant/Water in Transmission
- Fluid Leak Diagnosis
- Case Porosity Repair
- Transmission Fluid Cooler Flushing and Flow Test (J 45096)
- Automatic Transmission Fluid Leaks
- Shift Indicator Indicates Wrong Gear Selection
- No Park or Drive
- Harsh Garage Shift
- No Drive in All Ranges
- No First Gear
- No First and Reverse Gears
- Harsh, Soft, Delayed or Slipping First or Reverse Gear
- No First, Second, Third, and Fourth Gear
- Harsh, Soft, Delayed or Slipping 1-2-3-4 Shift
- No Second and Sixth Gear
- Harsh, Soft, Delayed or Slipping Second or Sixth Gear
- No Third, Fifth, and Reverse Gear
- Harsh, Soft, Delayed or Slipping Third, Fifth, or Reverse Gear
- No Fourth, Fifth, and Sixth Gear
- Harsh, Soft, Delayed or Slipping 4-5-6 Shift
- No Torque Converter Clutch Apply
- No Torque Converter Clutch Release
- Harsh Torque Converter Clutch Apply, or Inoperative or No Electronically Controlled Capacity Clutch Control
- No Reverse Gear
- Fluid Pressure High or Low
- No Torque Converter Clutch Slip with Torque Converter Clutch Engaged
- Repair Instructions - On Vehicle
- Transmission Control Lever Knob Replacement
- Floor Shift Control Boot Replacement
- Transmission Control Replacement
- Range Selector Lever Cable Replacement
- Range Selector Lever Cable Adjustment
- Range Selector Lever Cable Bracket Replacement
- Automatic Transmission Range Selector Lever Replacement
- Automatic Transmission Manual Shift Auxiliary Position Switch Replacement
- Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection
- Transmission Fluid Cooler Hose/Pipe Connector Replacement (Lower Radiator)
- Transmission Fluid Cooler Hose/Pipe Connector Replacement (Upper Radiator)
- Transmission Fluid Cooler Hose/Pipe Replacement
- Transmission Fluid Cooler Upper Pipe Replacement - Rear
- Transmission Fluid Cooler Upper Pipe Replacement - Rear to Differential Cooler
- Transmission Fluid Cooler Lower Pipe Replacement - Intermediate
- Transmission Fluid Cooler Lower Pipe Replacement - Intermediate to Differential Cooler
- Vent Hose Replacement
- Automatic Transmission Fluid Pressure Test Hole Plug Replacement
- Automatic Transmission Electrical Connector Passage Sleeve Replacement
- Transmission Fluid Filler Tube Plug Replacement
- Automatic Transmission Fluid Pan Drain Plug Replacement
- Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement
- Manual Shift Shaft and Seal Replacement
- Manual Shift Detent Lever and Park Pawl Actuator Replacement
- Manual Shift Shaft Position Switch Replacement
- Control Solenoid Valve and Transmission Control Module Assembly Replacement
- Control Valve Lower Body and Upper Body Replacement
- Input and Output Speed Sensor Replacement
- Transmission Replacement
- Repair Instructions - Off Vehicle
- Torque Converter Removal and Holding Fixture Installation
- Case Extension Assembly Removal
- Transmission Fluid Pan, Filter and Electrical Connector Passage Sleeve Removal
- Control Valve Body Assembly Removal
- Torque Converter Housing with Fluid Pump Removal
- 1-2-3-4 and 3-5 Reverse Clutch Assembly and 4-5-6 Clutch Assembly Removal
- Center Support, Output Carrier and Output Shaft Removal
- Manual Shift Shaft and Parking System Components Overhaul (6L80/6L90)
- Manual Shift Shaft Seal Replacement
- Output Shaft Seal Replacement
- Case Inspection
- Output Shaft Disassemble
- Output Shaft Assemble
- Output Carrier Assembly Overhaul
- Output Carrier to Output Shaft Assemble
- 2-6 Clutch Overhaul (6L80)
- Low and Reverse Clutch Overhaul (6L80)
- 4-5-6 Clutch Dampener Overhaul
- 4-5-6 Clutch Overhaul (6L80)
- 4-5-6 Clutch Backing Plate Retaining Ring Measurement
- 1-2-3-4 and 3-5 Reverse Clutch Overhaul (6L50/6L80)
- 1-2-3-4 and 3-5 Reverse Clutch Plates Removal
- 1-2-3-4 Clutch Piston Removal
- 3-5 Reverse Clutch Piston Removal
- 1-2-3-4 and 3-5 Reverse Clutch Piston Seals Replacement
- 3-5 Reverse Clutch Piston Installation
- 1-2-3-4 Clutch Piston Installation
- 1-2-3-4 Clutch Plate Installation
- 3-5 and Reverse Clutch Plate Installation
- 1-2-3-4 and 3-5 Reverse Clutch Bearing Assembly Replacement
- 1-2-3-4 Clutch Backing Plate Retaining Ring Measurement
- 3-5 Reverse Clutch Backing Plate Retaining Ring Measurement
- Torque Converter Housing with Fluid Pump Disassemble
- Fluid Pump Cover Cleaning and Inspection
- Torque Converter Housing Cleaning and Inspection
- Torque Converter Fluid Seal Replacement
- Fluid Cooler Pipe Seal Replacement
- Fluid Pump Selective Measurement
- Torque Converter Housing with Fluid Pump Assemble
- Fluid Pump Cover Installation
- Control Valve Body Assembly Disassemble
- Control Valve Lower Body Assembly Cleaning and Inspection
- Control Valve Upper Body Assembly Cleaning and Inspection
- Control Valve Body Assembly Assemble
- Upper to Lower Control Valve Body Assembly Assemble
- Filter Plate Installation
- Control Solenoid Valve Assembly Installation
- Manual Shift Shaft Position Switch Installation
- Valve Body, Control Solenoid Torque Sequence
- Control Solenoid Valve Assembly Contact Gap Inspection
- Input and Output Speed Sensor Assembly Installation
- Center Support, Output Carrier and Output Shaft Installation
- 1-2-3-4 and 3-5 Reverse Clutch Assembly and 4-5-6 Clutch Assembly Installation
- Torque Converter Housing with Fluid Pump Installation
- Control Valve Body Assembly Installation
- Automatic Transmission Electrical Connector Passage Sleeve Installation
- Fluid Filter and Manual Shift Detent Assembly Installation
- Transmission Fluid Pan Installation
- Case Extension Assembly Installation
- Torque Converter Installation and Holding Fixture Removal
- Description and Operation
- Definitions and Abbreviations
- Transmission Identification Information
- Transmission General Description
- Transmission Component and System Description
- Transmission Adaptive Functions
- Transmission Indicators and Messages
- Electronic Component Description
- Automatic Transmission Hydraulic Diagrams
- Park - Engine Running
- Reverse
- Neutral - Engine Running
- Drive Range, First Gear Engine Braking
- Drive Range, First Gear
- Drive Range, Second Gear
- Drive Range, Third Gear
- Drive Range, Third Gear Default
- Drive Range - Fourth Gear
- Drive Range, Fifth Gear
- Drive Range, Fifth Gear Default
- Drive Range, Sixth Gear
- Fluid Passages
- Special Tools