GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2009
🢒
Regal
🢒
Transmission
🢒 Automatic Transmission - 6T40/6T45
Transmission
All Component Locator
Ball Check Valve Locations
Bushing, Bearing, and Washer Locations
Component Location
Disassembled Views
Fluid Passages
Seal Locations
All Description and Operation
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
Electronic Component Description
Neutral - Engine Running
Park - Engine Running
Reverse
Transmission Adaptive Functions
Transmission Component and System Description
Transmission General Description
Transmission Identification Information
Transmission Indicators and Messages
All Special Tools and Equipment
Special Tools
Cleaning, Inspection, and Adjustment
Control Valve Body Cleaning and Inspection
Control Valve Channel Plate Cleaning and Inspection
Fluid Pump Selective Measurement
Range Selector Lever Cable Adjustment
Torque Converter Housing Cleaning and Inspection
Transmission Case Cleaning and 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
Fluid Leak Diagnosis
Fluid Pressure High or Low
Harsh First and Reverse Shift
Harsh Fourth, Fifth, and Sixth Shift
Harsh Garage Shift
Harsh or Late First, Second, Third, and Fourth Shift
Harsh or Late Second and Sixth Shift
Harsh or Late Third, Fifth, and Reverse Shift
Harsh Torque Converter Clutch Apply, or Inoperative or No Electronically Controlled Capacity Clutch Control
Line Pressure Check
No Drive in All Ranges
No First and Reverse Gears
No First, Second, Third, and Fourth Gear
No Fourth, Fifth, and Sixth Gear
No Park
No Reverse Gear
No Second and Sixth Gear
No Third, Fifth, and Reverse Gear
No Torque Converter Clutch Apply
No Torque Converter Clutch Release
Road Test
Service Fast Learn Adapts
Symptoms - Automatic Transmission
Torque Converter Diagnosis
Transmission Fluid Check
Transmission Fluid Cooler Flushing and Flow Test
Whine/Growl Noise
Diagnostic Trouble Codes
DTC P0218
DTC P0562 or P0563
DTC P0601-P0604 or P062F
DTC P0634
DTC P0658 or P0659
DTC P0667, P0668, or P0669
DTC P06AC, P06AD, or P06AE
DTC P0711, P0712, or P0713
DTC P0716 or P0717
DTC P071A
DTC P071D
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, or P0826
DTC P0842, P0843, P0872, P0873, P0877, P0878, P0989, or P0990
DTC P0850-P0852
DTC P0961-P0963
DTC P0965-P0967
DTC P0969-P0971
DTC P0973 or P0974
DTC P150C
DTC P1751
DTC P1761 or P1762
DTC P1763
DTC P1825, P182E, or P1915
DTC P1876
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
2-6 Clutch Piston Installation
2-6 Clutch Piston Removal
3-5-Reverse and 4-5-6 Clutch Fluid Seal Ring Replacement
3-5-Reverse and 4-5-6 Clutch Housing Assemble
3-5-Reverse and 4-5-6 Clutch Housing Disassemble
3-5-Reverse and 4-5-6 Clutch Housing, and Input, Reaction, and Output Carrier Installation
Control Solenoid Valve and Transmission Control Module Assembly Installation
Control Valve Body Assembly Assemble
Control Valve Body Assembly Disassemble
Control Valve Body Assembly Installation
Control Valve Body Assembly Removal
Control Valve Body Cover Installation
Drive and Driven Sprocket, Drive Link, and Park Pawl Installation
Drive and Driven Sprocket, Drive Link, and Park Pawl Removal
Drive Sprocket, Driven Sprocket, and Drive Link Cleaning and Inspection
Front Differential Carrier Assembly Removal
Front Differential Carrier Cleaning and Inspection
Front Differential Carrier Installation
Front Wheel Drive Shaft Seal Replacement - Case Side
Front Wheel Drive Shaft Seal Replacement - Torque Converter Housing Side
Input and Output Speed Sensor Installation
Input and Output Speed Sensor Removal
Input Shaft Support Replacement
Input, Reaction, and Output Carrier Assemble
Input, Reaction, and Output Carrier Disassemble
Internal Components Removal
Lift Plate and Holding Fixture Installation
Lift Plate and Holding Fixture Removal
Low and Reverse and 1-2-3-4 Clutch Housing Assemble
Low and Reverse and 1-2-3-4 Clutch Housing Cleaning and Inspection
Low and Reverse and 1-2-3-4 Clutch Housing Disassemble
Low and Reverse and 1-2-3-4 Clutch Housing, and 1-2-3-4 Clutch Plate Installation
Low and Reverse and 1-2-3-4 Clutch Housing, Low and Reverse Clutch Assembly, Output Sun Gear, and 2-6 Clutch Plate Disassemble
Low and Reverse Clutch Assembly and Low and Reverse Clutch Plate Installation
Manual Shift Detent Lever with Shaft Position Switch Assembly and Park Pawl Actuator Installation
Manual Shift Detent Lever with Shaft Position Switch Assembly and Park Pawl Actuator Removal
Manual Shift Shaft Seal Installation
Manual Shift Shaft Seal Removal
Torque Converter Housing with Fluid Pump Assembly Installation
Torque Converter Housing with Fluid Pump Assembly Removal
Torque Converter Installation
Torque Converter Removal
Transmission Fluid Pump Assemble
Transmission Fluid Pump Disassemble
Transmission Fluid Pump, Front Differential Carrier Baffle, and Front Differential Ring Gear Installation
Transmission Fluid Pump, Front Differential Carrier Baffle, and Front Differential Ring Gear Removal
Electrical/Electronic Schematic Diagrams
Automatic Transmission Controls Schematics
General Diagnostic Information
Clutch Plate Diagnosis
Engine Coolant/Water in Transmission
Noise and Vibration Analysis
Mechanical Specifications
Fastener Tightening Specifications
Fluid Capacity Specifications
Fluid Pump Selective Specifications
Range Reference
Shift Solenoid Valve State and Gear Ratio
Transmission General Specifications
Other Specifications
Solenoid Valve Pressure
Transmission Internal Mode Switch Logic
Removal, Installation, and Replacement
Automatic Transmission Range Selector Lever Replacement
Control Solenoid Valve and Transmission Control Module Assembly Replacement
Control Valve Body Cover Replacement
Control Valve Body Replacement
Fluid Cooler Inlet Hose Replacement
Fluid Cooler Outlet Hose Replacement
Front Wheel Drive Shaft Seal Replacement - Left Side
Front Wheel Drive Shaft Seal Replacement - Right Side
Input Speed Sensor Replacement
Manual Shift Detent Lever with Shaft Position Switch Assembly Replacement
Manual Shift Shaft and Seal Replacement
Output Speed Sensor Replacement
Range Selector Lever Cable Replacement
Transmission Control Lever Boot Replacement
Transmission Control Lever Knob Replacement
Transmission Control Replacement
Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection
Transmission Fluid Replacement
Transmission Front Mount Replacement
Transmission Mount Replacement - Left Side
Transmission Rear Mount Replacement
Transmission Replacement