Automatic Transmission - 10L80 (MHS MQC) - Description And Operation

• Description and Operation
  • Definitions and Abbreviations
    • Throttle Positions
    • Shift Condition Definitions
    • Noise Conditions
    • Driver Shift Control
    • Transmission Abbreviations
  • Transmission Identification Information
  • Control Valve Solenoid Body Identification Information
  • Transmission General Description
  • Transmission Component and System Description
  • Electronic Component Description
    • B13 Automatic Transmission Fluid Temperature Sensor
    • Automatic Transmission Speed Sensors
    • { If equipped }G5 Automatic Transmission Auxiliary Fluid Pump/Automatic Transmission Auxiliary Fluid Pump
    • K71 Transmission Control Module
    • Control Solenoid Valve Body
    • Electronic Transmission Range Select (ETRS) Componenents
    • Automatic Transmission Wiring Harness
  • Hydraulic Diagrams
    • Park - Engine Running (Mechanical Powerflow)
      • Notes
      • Park - Engine Running
    • Park - Engine Running (Hydraulic Circuits)
      • Notes
      • Fluid Pressure Directed in Preparation for a Shift
      • Park - Engine Running
    • Reverse (Mechanical Powerflow)
      • Notes
      • Reverse
    • Reverse (Hydraulic Circuits)
      • Notes
      • Fluid Pressure Directed in Preparation for a Power Loss Situation
      • 1-2-3-4-6-7-8-10 Reverse Clutch Applies
      • 4-5-6-7-8-9-10 Reverse Clutch Applies
      • Reverse
    • Neutral - Engine Running (Mechanical Powerflow)
      • Notes
      • Neutral - Engine Running
    • Neutral - Engine Running (Hydraulic Circuits)
      • Notes
      • 4-5-6-7-8-9-10 Reverse Clutch Releases
      • Neutral
    • Drive Range, First Gear (Mechanical Powerflow)
      • Notes
      • Drive Range First Gear
    • Drive Range, First Gear (Hydraulic Circuits)
      • Notes
      • 1-3-5-6-7-8-9 Clutch Applies
      • 1-2-3-4-6-7-8-10 Reverse Clutch Applied
      • Drive Range, First Gear
    • Drive Range, Second Gear (Mechanical Powerflow)
      • Notes
      • Drive Range Second Gear
    • Drive Range, Second Gear (Hydraulic Circuits)
      • Notes
      • 2-3-4-5-7-9-10 Clutch Applies
      • 1-3-5-6-7-8-9 Clutch Releases
      • Drive Range, Second Gear
    • Drive Range, Third Gear (Mechanical Powerflow)
      • Notes
      • Drive Range Third Gear
    • Drive Range, Third Gear (Hydraulic Circuits)
      • Notes
      • 1-3-5-6-7-8-9 Clutch Applies
      • 1-2-8-9-10-R Clutch Releases
      • Drive Range, Third Gear
    • Drive Range, Fourth Gear (Mechanical Powerflow)
      • Notes
      • Drive Range Fourth Gear
    • Drive Range, Fourth Gear (Hydraulic Circuits)
      • Notes
      • 4-5-6-7-8-9-10 Reverse Clutch Applies
      • 1-3-5-6-7-8-9 Clutch Releases
      • Drive Range, Fourth Gear
    • Drive Range, Fifth Gear (Mechanical Powerflow)
      • Notes
      • Drive Range Fifth Gear
    • Drive Range, Fifth Gear (Hydraulic Circuits)
      • Notes
      • 1-3-5-6-7-8-9 Clutch Applies
      • 1-2-3-4-6-7-8-10-R Clutch Releases
      • Drive Range, Fifth Gear
    • Drive Range, Sixth Gear (Mechanical Powerflow)
      • Notes
      • Drive Range Sixth Gear
    • Drive Range, Sixth Gear (Hydraulic Circuits)
      • Notes
      • 1-2-3-4-6-7-8-10 Reverse Clutch Applies
      • 2-3-4-5-7-9-10 Clutch Releases
      • Torque Converter Clutch (TCC) Applies
      • Drive Range, Sixth Gear
    • Drive Range, Seventh Gear (Mechanical Powerflow)
      • Notes
      • Drive Range Seventh Gear
    • Drive Range, Seventh Gear (Hydraulic Circuits)
      • Notes
      • 2-3-4-5-7-9-10 Clutch Applies
      • 1-2-3-4-5-6 Reverse Clutch Releases
      • Drive Range, Seventh Gear
    • Drive Range, Eighth Gear (Mechanical Powerflow)
      • Notes
      • Drive Range Eighth Gear
    • Drive Range, Eighth Gear (Hydraulic Circuits)
      • Notes
      • 1-2-8-9-10 Reverse Clutch Applies
      • 2-3-4-5-7-9-10 Clutch Releases
      • Drive Range, Eighth Gear
    • Drive Range, Ninth Gear (Mechanical Powerflow)
      • Notes
      • Drive Range Ninth Gear
    • Drive Range, Ninth Gear (Hydraulic Circuits)
      • Notes
      • 2-3-4-5-7-9-10 Clutch Applies
      • 1-2-3-4-6-7-8-10-R Clutch Releases
      • Drive Range, Ninth Gear
    • Drive Range, Tenth Gear (Mechanical Powerflow)
      • Notes
      • Drive Range Tenth Gear
    • Drive Range, Tenth Gear (Hydraulic Circuits)
      • Notes
      • 1-2-3-4-6-7-8-10 Reverse Clutch Applies
      • 1-3-5-6-7-8-9 Clutch Releases
      • Drive Range, Tenth Gear
  • Fluid Passages
    • Auxiliary Control Valve Body - Auxiliary Control Valve Body Spacer Plate Side
    • Auxiliary Control Valve Body Spacer Plate - Auxiliary Control Valve Body Side
    • Control Valve Channel Plate - Fluid Pan Side
    • Control Valve Spacer Plate - Control Valve Channel Plate Side
    • Control Valve Solenoid Body Assembly - Fluid Pan Side
    • Control Valve Solenoid Body Assembly - Control Valve Upper Body Assembly Side
    • Control Valve Body Spacer Plate - Control Valve Solenoid Body Assembly Side
    • Control Valve Upper Body Assembly - Control Valve Solenoid Body Assembly Side
    • Control Valve Upper Body Assembly - Case Side
    • Case Assembly - Control Valve Upper Body Assembly Side
    • Case Assembly - Stator Shaft Support Side
    • Case Assembly - Case Extension Side
    • Stator Shaft Support Assembly - Case Assembly Side
    • Fluid Pump Assembly - Control Valve Upper Body Assembly Side