GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2007
🢒
Sierra Denali
🢒
Transmission/Transaxle
🢒 Automatic Transmission - Allison
Transmission/Transaxle
All Component Locator
Automatic Transmission Electronic Component Views
Component Location
Disassembled Views
All Description and Operation
Default Forward - 3rd Range Limp Home
Default Reverse - Limp Home
Electronic Component Description
Externally Generated Electronic Interference
Fifth Range
First Range
Fourth Range
Neutral - Engine Running
Reverse
Second Range
Sixth Range
Third Range
All Special Tools and Equipment
Special Tools
All Visual Identification
Automatic Transmission Inline Harness Connector End View
Automatic Transmission Internal Connector End Views
Automatic Transmission Related Connector End Views
Transmission Identification Information
Cleaning, Inspection, and Adjustment
1-2-3-4 Clutch Backing Plate Inspection
1-2-3-4 Clutch Fiber Plate Inspection
1-2-3-4 Clutch Piston Housing Inspection
1-2-3-4 Clutch Piston Inspection
1-2-3-4 Clutch Steel Plate Inspection
1-2-3-4-5-6 Clutch Piston Housing Inspection
2-6 Clutch Backing Plate Inspection
2-6 Clutch Plate Inspection
3rd, 5th and Reverse Clutch Plate Inspection
Control Valve Body Cleaning and Inspection
Fiber 4-5-6 Clutch Plate Inspection
Four-Wheel-Drive Low and Reverse Clutch Housing Spacer Measurement
Four-Wheel-Drive Output Shaft Bushing Inspection
Input Carrier Assembly Inspection
Input Carrier Thrust Washer Inspection
Input Internal Ring Gear Inspection
Input Sun Gear Thrust Washer Inspection
Intermediate Carrier Assembly Inspection
Intermediate Internal Gear Inspection
Low and Reverse Clutch Backing Plate Inspection
Low and Reverse Clutch Plate Inspection
Low and Reverse Clutch Steel Plate Selection
Main Shaft Cleaning and Inspection
Oil Pump Cover Thrust Washer Inspection
Output Carrier Inspection
Output Carrier Internal Gear Inspection
Stator Shaft Inspection
Steel 4-5-6 Clutch Plate Inspection
Torque Converter End Play Inspection
Torque Converter Inspection
Torque Converter Leak Test
Transmission End Play Measurement
Transmission Fluid Inspection
Turbine Shaft Bushing Inspection
Two-Wheel-Drive Low and Reverse Clutch Housing Spacer Measurement
Two-Wheel-Drive Output Shaft Bushing Inspection
Diagnostic Procedures
Bushing and Mating Shaft Inspection
Case Porosity Repair
Contaminated Transmission Fluid
Diagnostic Starting Point - Automatic Transmission
Diagnostic Trouble Code (DTC) Type Definitions
Excessive Flare - Engine Overspeed on Wide-Open Throttle
Excessive Slippage and Clutch Chatter
Fluid Leaks from Fluid Fill Tube and/or Vent
Fluid Leaks from Transmission Input
Fluid Leaks from Transmission Output
High Stall Speeds (Stall in Ranges 1-6)
Intermittent Buzzing Noise
Low Lubrication Pressure
Low Main Line Pressure in All Ranges
Low Main Line Pressure in Specific Ranges, Normal Pressure in Other Ranges
Low Stall Speeds (Stall in Ranges 1-6)
Symptoms - Automatic Transmission
Transmission Fluid Cooler Flushing and Flow Test
Transmission Overheats
Transmission Will Not Make a Specific Shift
Transmission Will Not Shift to Forward or Reverse
Transmission Will Not Stay in Forward or Reverse
Diagnostic Trouble Codes
Diagnostic Trouble Code (DTC) List/Type
DTC P0218
DTC P0502
DTC P0561
DTC P0562
DTC P0563
DTC P0602
DTC P0613
DTC P0634
DTC P0658
DTC P0659
DTC P0700
DTC P0701
DTC P0703
DTC P0706
DTC P0708
DTC P0711
DTC P0712
DTC P0713
DTC P0716
DTC P0717
DTC P071A
DTC P0721
DTC P0722
DTC P0729
DTC P0731
DTC P0732
DTC P0733
DTC P0734
DTC P0735
DTC P0736
DTC P0741
DTC P0742
DTC P0751
DTC P0752
DTC P0756
DTC P0757
DTC P0761
DTC P0762
DTC P0776
DTC P0777
DTC P0815, P0816, or P0826
DTC P0826
DTC P0827
DTC P0828
DTC P0842
DTC P0843
DTC P0847
DTC P0848
DTC P0851 or P0852
DTC P0872
DTC P0873
DTC P0877
DTC P0878
DTC P0880
DTC P0881
DTC P0882
DTC P0883
DTC P0894
DTC P0960
DTC P0962
DTC P0963
DTC P0964
DTC P0966
DTC P0967
DTC P0972
DTC P0973
DTC P0974
DTC P0975
DTC P0976
DTC P0977
DTC P0978
DTC P0979
DTC P0980
DTC P1688
DTC P1761 or P1762
DTC P1779
DTC P2536
DTC P2670
DTC P2671
DTC P2723
DTC P2724
DTC P2727
DTC P2729
DTC P2730
DTC P2761
DTC P2763
DTC P2764
DTC P2771
Disassembly, Overhaul, Repair, and Assembly
1-2-3-4-5-6 Clutch Piston Housing Assemble
1-2-3-4-5-6 Clutch Piston Housing Assembly Installation
1-2-3-4-5-6 Clutch Piston Housing Assembly Removal
1-2-3-4-5-6 Clutch Piston Housing Disassemble
1-2-3-4and 4-5-6 Clutch Housing Bushing Replacement
1-2-3-4and 4-5-6 Clutch Housing Reluctor Wheel Replacement
2-6 Clutch Piston Removal
2-6 Clutch Removal
3-5-Reverse Clutch Piston Removal
3rd, 5th and Reverse Clutch Installation
3rd, 5th and Reverse Clutch Removal
Control Valve Assembly Removal
Control Valve Body Assemble
Control Valve Body Assembly Disassemble
Control Valve Body Assembly Installation
Control Valve Body Locating Pin Replacement
Emblem/Nameplate Replacement
Four-Wheel-Drive Output Shaft Retaining Nut Installation
Holding Fixture Installation
Holding Fixture Removal
Input Carrier Assembly and 2-6 Clutch Installation
Input Carrier Assembly Assemble
Input Carrier Assembly Disassemble
Input Carrier Bushing Replacement
Input Carrier Removal
Intermediate Carrier and Main Shaft Removal
Intermediate Carrier Assembly and Main Shaft Installation
Intermediate Carrier Assembly Assemble
Intermediate Carrier Assembly Disassemble
Intermediate Carrier Bushing Replacement
Low and Reverse Clutch Housing Assembly Assemble
Low and Reverse Clutch Housing Assembly Disassemble
Low and Reverse Clutch Housing Retaining Ring Replacement
Low and Reverse Clutch Installation
Low and Reverse Clutch Piston and Output Carrier Assembly Removal
Low and Reverse Clutch Piston Housing Installation
Low and Reverse Clutch Removal
Main Valve Body Assemble
Main Valve Body Disassemble
Manual Shift Shaft, Detent Lever, and Position Switch Assembly Assemble
Manual Shift Shaft, Detent Lever, and Position Switch Assembly Disassemble
Oil Pump Assemble
Oil Pump Body Bushing Replacement
Oil Pump Disassemble
Oil Pump Inspection
Oil Pump Locating Pin Replacement
Output Shaft and Output Carrier Assembly Installation
Output Shaft Bushing Replacement
Output Shaft Thrust Bearing Race Replacement
Output Speed Sensor Installation
Output Speed Sensor Removal
Output Yoke Inspection
Park Pawl Installation
Rear Ball Bearing Removal
Rear Oil Seal Installation
Shift Solenoid Valve Assemble
Shift Solenoid Valve Disassemble
Stator Shaft Bushing Replacement
Stator Shaft Needle Bearing Replacement
Stator Shaft Replacement
Torque Converter Assembly Installation
Torque Converter Assembly Removal
Torque Converter Housing from Pump Assembly Disassemble
Torque Converter Housing with Fluid Pump Assembly Installation
Torque Converter Housing with Fluid Pump Assembly Removal
Transmission Fluid Filler Tube Plug and Transmission Case Locating Pin Replacement
Transmission Fluid Pan and Filter Assembly Installation
Transmission Fluid Pan and Filter Assembly Removal
Transmission Fluid Pressure Test Hole Plug, External Filter, and Fluid Cooler Pipe Retainer Removal
Transmission Fluid Pump Cover Assemble
Transmission Fluid Pump Cover Disassemble
Transmission Vent Installation
Transmission Vent Removal
Turbine Shaft Bushing Replacement
Turbine Speed Sensor Installation
Turbine Speed Sensor Removal
Wiring Harness Installation
Wiring Harness Removal
Electrical/Electronic Schematic Diagrams
Automatic Transmission Controls Schematics
Electrical/Electronic Specifications
Temperature Versus Resistance
General Diagnostic Information
Abnormal Activities or Responses
Clutch Test
FastLearn Procedure
Flex Plate/Torque Converter Vibration Test
Fluid Leak Diagnosis
Functional Test
Limp Home Mode
Line Pressure Check
Noise and Vibration Analysis
Obtaining Diagnostic Trouble Codes
Road Test
Scan Tool Data Definitions
Scan Tool Data List
Scan Tool Output Controls
Torque Converter Diagnosis
Transmission Does Not Shift Properly
Transmission Fluid Check
General Information
Adapt Function
Definitions and Abbreviations
Tow/Haul Mode
Transmission Component and System Description
Transmission General Description
Transmission General Information
Transmission Indicators and Messages
Mechanical Specifications
End Play Specifications
Fastener Tightening Specifications
Selective Components Specifications
Torque Converter Specifications
Other Specifications
Fluid Capacity Specifications
Line Pressure
Oil Pump Specifications
Pressure Switch Manifold (PSM) Logic
Shift Speed
Solenoid and Clutch Chart
Transmission General Specifications
Transmission Internal Mode Switch Logic
Removal, Installation, and Replacement
Automatic Transmission Fluid and Filter Replacement
Automatic Transmission Fluid Pressure Test Hole Plug Replacement
Control Valve Body Replacement
Control Valve Solenoid Replacement
Manual Shift Shaft Seal Replacement
Manual Shift Shaft, Detent Lever, and Position Switch Assembly Replacement
Oil Pan Replacement
Output Flange/Yoke Replacement
Power Take-Off Cover Gasket Replacement
Pressure Switch Manifold Replacement
Range Selector Lever Cable Adjustment
Range Selector Lever Cable Replacement
Rear Propshaft Shaft Seal Replacement
Speed Sensor Replacement
Torque Converter Fluid Seal Replacement
Torque Converter Housing Bolt Seal Replacement
Torque Converter Replacement
Transmission Control Module 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 Fluid Filter Adapter Replacement
Transmission Heat Shield Replacement
Transmission Internal Mode Switch Replacement
Transmission Mount Replacement
Transmission Replacement
Wiring Harness Replacement