For 1990-2009 cars only
Automatic Transmission - 6L50/6L80/6L90 for GMC Truck Yukon - 2WD 2009
All Component Locator
- Ball Check Valve Locations
- Bushing, Bearing, and Washer Locations
- Component Location
- Disassembled Views
- Fluid Passages
- Seal Locations
All Description and Operation
- Automatic Transmission Inline 16-Way Connector Description
- Definitions and Abbreviations
- Drive Range - Fourth Gear
- Drive Range, Fifth Gear
- Drive Range, Fifth Gear Default
- Drive Range, First Gear
- Drive Range, First Gear Engine Braking
- Drive Range, Second Gear
- Drive Range, Sixth Gear
- Drive Range, Third Gear
- Drive Range, Third Gear Default
- Electronic Component Description
- Neutral - Engine Running
- Park - Engine Running
- Reverse
- Shift Stabilization Description and Operation
- Tow/Haul Mode Description and Operation
- Transmission Adaptive Functions
- Transmission Component and System Description
- Transmission General Description
- Transmission Identification Information
- Transmission Indicators and Messages
All Special Tools and Equipment
Cleaning, Inspection, and Adjustment
- 1-2-3-4 Clutch Backing Plate Retaining Ring Measurement
- 3-5 Reverse Clutch Backing Plate Retaining Ring Measurement
- 4-5-6 Clutch Backing Plate Retaining Ring Measurement
- Case Inspection
- Control Valve Lower Body Assembly Cleaning and Inspection
- Control Valve Upper Body Assembly Cleaning and Inspection
- Fluid Pump Cover Cleaning and Inspection
- Fluid Pump Selective Measurement
- Low and Reverse Clutch Backing Plate Retaining Ring Measurement
- Range Selector Lever Cable Adjustment
- Torque Converter Housing Cleaning and Inspection
- Transmission Mount Inspection
Diagnostic Procedures
- Automatic Transmission Fluid Leaks
- Bushing and Mating Shaft Inspection
- Case Porosity Repair
- Control Solenoid Valve and Transmission Control Module Assembly Cleaning
- Control Solenoid Valve and Transmission Control Module Assembly Input Shaft Speed/Output Shaft Speed Input Test
- Control Solenoid Valve and Transmission Control Module Assembly Inspection
- Control Solenoid Valve and Transmission Control Module Assembly Solenoid Performance Test
- Diagnostic Starting Point - Automatic Transmission
- Flex Plate/Torque Converter Vibration Test
- Fluid Leak Diagnosis
- Fluid Pressure High or Low
- Harsh Garage Shift
- Harsh, Soft, Delayed or Slipping 1-2-3-4 Shift
- Harsh, Soft, Delayed or Slipping 4-5-6 Shift
- Harsh, Soft, Delayed or Slipping First or Reverse Gear
- Harsh, Soft, Delayed or Slipping Second or Sixth Gear
- Harsh, Soft, Delayed or Slipping Third, Fifth, or Reverse Gear
- Line Pressure Check
- No Drive in All Ranges
- No Drive or Reverse Gear
- No First and Reverse Gears
- No First Gear
- No First, Second, Sixth, or Reverse Gear
- No First, Second, Third, and Fourth Gear
- No First, Second, Third, Fourth, Fifth, or Reverse Gear
- No Fourth, Fifth, and Sixth Gear
- No Park or Drive
- No Reverse Gear
- No Second and Sixth Gear
- No Third, Fifth, and Reverse Gear
- No Torque Converter Clutch Apply
- No Torque Converter Clutch Release
- Noise During 3-4 or 4-3 Shifts
- Noise in First or Reverse Gear
- Noise in First, Second, Sixth, or Reverse Gear
- Noise in First, Second, Third, Fourth, Fifth, or Reverse Gear
- Noise in Fourth, Fifth, or Sixth Gear
- Noise in Second or Sixth Gear
- Road Test
- Service Fast Learn Adapts
- Stuck in First or Reverse Gear
- Stuck in Second or Sixth Gear
- Symptoms - Automatic Transmission
- Torque Converter Diagnosis
- Tow/Haul Switch/Indicator Always On or Inoperative
- Transmission Fluid Check
- Transmission Fluid Cooler Flushing and Flow Test
- Vibration
- Vibration in Second, Third, Fourth, Fifth, or Sixth Gear
- Whine/Growl Noise That Changes with Vehicle Speed
Diagnostic Trouble Codes
- DTC P0218
- DTC P0562 or P0563
- DTC P0601, P0602, P0603, P0604, or P1621
- DTC P0634
- DTC P0658 or P0659
- DTC P0667, P0668, or P0669
- DTC P06AC, P06AD, or P06AE
- DTC P0711
- DTC P0712 or P0713
- DTC P0716 or P0717
- DTC P0719 or P0724
- DTC P071A
- DTC P0722 or P0723
- DTC P0741 or P0742
- DTC P0751
- DTC P0752
- DTC P0756
- DTC P0776 or P0777
- DTC P0796 or P0797
- DTC P0815, P0816, P0826, or P1876
- DTC P0842 or P0843
- DTC P0850-P0852
- DTC P0872 or P0873
- DTC P0877 or P0878
- DTC P0961-P0963
- DTC P0965-P0967
- DTC P0969-P0971
- DTC P0973 or P0974
- DTC P0976 or P0977
- DTC P0989 or P0990
- DTC P1684-P1686
- DTC P1751
- DTC P1761
- DTC P1825 or P1915
- DTC P182A
- DTC P1831 or P1832
- DTC P2534
- DTC P2714 or P2715
- DTC P2719-P2721
- DTC P2723 or P2724
- DTC P2728-P2730
- DTC P2762, P2763, or P2764
Disassembly, Overhaul, Repair, and Assembly
- 1-2-3-4 and 3-5 Reverse Clutch Assembly and 4-5-6 Clutch Assembly Installation
- 1-2-3-4 and 3-5 Reverse Clutch Assembly and 4-5-6 Clutch Assembly Removal
- 1-2-3-4 and 3-5 Reverse Clutch Fluid Seal Ring Installation
- 1-2-3-4 and 3-5 Reverse Clutch Overhaul
- 2-6 Clutch Overhaul
- 4-5-6 Clutch Dampener Overhaul
- 4-5-6 Clutch Overhaul
- Automatic Transmission Electrical Connector Passage Sleeve Installation
- Case Extension Assembly Installation
- Case Extension Assembly Removal
- Center Support, Output Carrier and Output Shaft Installation
- Center Support, Output Carrier and Output Shaft Removal
- Control Valve Body Assembly Assemble
- Control Valve Body Assembly Disassemble
- Control Valve Body Assembly Installation
- Control Valve Body Assembly Removal
- Fluid Filter and Manual Shift Detent Assembly Installation
- Fluid Pump Cover Installation
- Low and Reverse Clutch Overhaul
- Manual Shift Shaft and Parking System Components Overhaul
- Manual Shift Shaft Seal Replacement
- Output Carrier Assembly Overhaul
- Output Carrier to Output Shaft Assemble
- Output Shaft Assemble
- Output Shaft Disassemble
- Output Shaft Seal Replacement
- Propeller Shaft Front Slip Yoke Oil Seal Replacement
- Torque Converter Fluid Seal Replacement
- Torque Converter Housing with Fluid Pump Assemble
- Torque Converter Housing with Fluid Pump Disassemble
- Torque Converter Housing with Fluid Pump Installation
- Torque Converter Housing with Fluid Pump Removal
- Torque Converter Installation and Holding Fixture Removal
- Torque Converter Removal and Holding Fixture Installation
- Transmission Fluid Cooler Pipe Seal Replacement
- Transmission Fluid Pan Installation
- Transmission Fluid Pan, Filter and Electrical Connector Passage Sleeve Removal
Electrical/Electronic Schematic Diagrams
General Diagnostic Information
Mechanical Specifications
- Clutch Backing Plate Retaining Ring Specifications
- Fastener Tightening Specifications
- Fluid Capacity Specifications
- Fluid Pump Selective Specifications
- Range Reference
- Shift Solenoid Valve State and Gear Ratio
- Transmission Fluid Pressure Switch Logic
- Transmission General Specifications
Other Specifications
Removal, Installation, and Replacement
- Automatic Transmission Electrical Connector Passage Sleeve Replacement
- Automatic Transmission Fluid Pressure Test Hole Plug Replacement
- Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement
- Automatic Transmission Range Selector Lever Replacement
- Case Extension and Gasket Replacement
- Control Solenoid Valve and Transmission Control Module Assembly Replacement
- Control Valve Lower Body and Upper Body Replacement
- Input and Output Speed Sensor Replacement
- Manual Shift Detent Lever and Park Pawl Actuator Replacement
- Manual Shift Shaft and Seal Replacement
- Manual Shift Shaft Position Switch Replacement
- Range Selector Lever Cable Bracket Replacement
- Range Selector Lever Cable Replacement
- Transmission Converter Cover Replacement
- Transmission Fluid Auxiliary Cooler Replacement
- Transmission Fluid Cooler Hose/Pipe Connector Replacement
- Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection
- Transmission Fluid Cooler Hose/Pipe Replacement
- Transmission Fluid Filler Tube and Seal Replacement
- Transmission Heat Shield Replacement
- Transmission Mount Replacement
- Transmission Output Shaft Seal Replacement
- Transmission Replacement
