GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2006
🢒
Chevy C Cab/Chassis HD (GMT 400)
🢒
Transmission/Transaxle
🢒 Automatic Transmission - 4L80-E/4L85-E
Transmission/Transaxle
All Component Locator
Automatic Transmission Electronic Component Views
Component Location
Disassembled Views
All Description and Operation
Automatic Transmission Inline 20-Way Connector Description
Definitions and Abbreviations
Electronic Component Description
Transmission Adaptive Functions
Transmission General Description
Transmission General Information
Transmission Identification Information
All Special Tools and Equipment
Special Tools
All Visual Identification
Automatic Transmission Inline 20-Way Connector End View
Automatic Transmission Internal Connector End Views
Automatic Transmission Related Connector End Views
Diagnostic Procedures
Automatic Transmission Fluid Leaks
Case Extension Bearing/Seal Failed
Case Porosity Repair
Converter Ballooning
Delayed Shift 1 to 2
Difficult to Shift Out of Park
Does Not Stay in Park
Engine Stall
Engine Stall in Neutral
Engine Starts in Gear
Erratic Shift Quality
First and Fourth Gear Only - D4
First and Second Gear Only - D4
First Gear Only - D4
Fluid Foaming
Fluid Leak Diagnosis
Forward Motion in Neutral
Fourth Gear Starts
Harsh Shift 3 to 4
Harsh Shift 4 to 3
Harsh Shift D to R
Harsh Shift D4 to D3, D2, or D1
Harsh Shifts
High Line Pressure
Inaccurate Shift Points
Inadequate Lubrication
Inadequate Lubrication at Low Line or Heavy Loads
Incorrect Torque Converter Clutch Apply or Release
Loss of Drive
Loss of Power
Low Line Pressure
No D2 to D1
No D3 to D2
No Engine Braking - D1
No Engine Braking - D2
No Engine Braking - D3
No First Gear - D4
No Fourth Gear - D4
No Gear Selection
No Overrun Braking - D3
No Park
No Reverse
No Second Gear - D4
No Second Gear Engine Braking - D2
No Third Gear - D4
No Torque in Reverse and Third
No Torque in Second Gear
No Torque Multiplication
Noise
Oil Out the Vent Tube
Remains in Park
Second and Third Gear Only - D4
Second Gear Only - D4
Second Gear Starts
Shift Lever Indicates Wrong Gear
Soft Shift 2 to 1
Soft Shift 2 to 3
Soft Shift 3 to 2
Soft Shift D3 to D2
Soft Shift into R
Soft Shift R to D
Soft Shifts
Soft Torque Converter Clutch Apply
Third and Fourth Gear Only - D4
Third Gear Starts
Torque Converter Clutch Slipping
Transmission Fluid Cooler Flushing and Flow Test
Transmission Overheats
Transmission Overheats at WOT
Transmission Slips
Vibration
Diagnostic Trouble Codes
Diagnostic Trouble Code (DTC) Type Definitions
Electrical/Electronic Schematic Diagrams
Automatic Transmission Controls Schematics
Automatic Transmission Schematic Icons
Electrical/Electronic Specifications
Transmission Fluid Temperature Sensor Specifications
General Diagnostic Information
Clutch Plate Diagnosis
Engine Coolant/Water in Transmission
Noise and Vibration Analysis
Scan Tool Data Definitions
Scan Tool Data List
Mechanical Specifications
Fastener Tightening Specifications
Fluid Capacity Specifications
Range Reference
Shift Solenoid Valve State and Gear Ratio
Transmission General Specifications
Other Specifications
Line Pressure
Shift Speed
Transmission Fluid Pressure Manual Valve Position Switch Logic
Transmission Range Switch Logic
Removal, Installation, and Replacement
Transmission Vent Hose Replacement