GM Service Manual Online
For 1990-2009 cars only
Makes
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Chevrolet
🢒
2008
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Optra
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Transmission/Transaxle
🢒 Automatic Transaxle - Aisin 55-51LE
Transmission/Transaxle
All Component Locator
Component Location
Disassembled Views
All Description and Operation
Definitions and Abbreviations
Transmission Adaptive Functions
Transmission Component and System Description
Transmission General Description
Transmission General Information
Transmission Identification Information
Transmission Indicators and Messages
Transmission Oil Life Monitor
All Special Tools and Equipment
Special Tools
Cleaning, Inspection, and Adjustment
1-2-Reverse Clutch Piston Travel Measurement
2nd Clutch Piston Travel Measurement
2nd Coast Clutch Piston Travel Measurement
4-5 Clutch Piston Travel Measurement
Case Cover Cleaning and Inspection
Direct Clutch Piston Travel Check
Forward Clutch Piston Travel Check
Front Differential Assembly Cleaning and Inspection
Front Internal Gear Cleaning and Inspection
Low and Reverse Clutch Piston Travel Measurement
Shift Control Cable Adjustment
Torque Converter Housing Cleaning and Inspection
Transmission Case Inspection
Transmission Fluid Pump Cleaning and Inspection
Transmission Mount Inspection
Transmission Range Switch Adjustment
Diagnostic Procedures
Automatic Transmission Fluid Leaks
Case Porosity Repair
Diagnostic Starting Point - Automatic Transmission
Engagement Delay Test
Engagement Time From Park or Neutral to Drive is Not Within Specifications
Engagement Time From Park or Neutral to Reverse is Not Within Specifications
Engine Stalls During Reverse or Drive Engagement
Flex Plate/Torque Converter Vibration Test
Fluid Leak Diagnosis
Harsh Feel at Light Acceleration or Deceleration Without Causing an Upshift or Downshift
Harsh Forced Downshift
Harsh Park or Neutral to Drive Engagement
Harsh Park or Neutral to Reverse Engagement
Harsh Shift on Coastdown
Harsh Upshift
Hum or Rattle Noise at Idle
Line Pressure Check
No 1-2 Upshift
No 2-1 Downshift
No 2-3 Upshift
No 3-2 Downshift
No 3-4 Upshift
No 4-3 Downshift
No 4-5 Upshift
No 5-4 Downshift
No Engine Braking in Fourth Gear
No Engine Braking in Second Gear
No Engine Braking in Third Gear
No Forward and Reverse
No Response to Movement of Shift Lever
Range Selector Displays Incorrect Range
Road Test
Slips in Drive or No Drive
Slips in Reverse or No Reverse
Slips on Acceleration
Stall Speed Test
Symptoms - Automatic Transmission
Torque Converter Clutch Stuck On or Off
Torque Converter Diagnosis
Transmission Adaptive Learn
Transmission Attempts to Move but Appears Locked Up
Transmission Fluid Check
Transmission Fluid Cooler Flushing and Flow Test
Transmission Overheats
Vibration at Idle
Vibration While Driving
Whine/Growl Noise That Changes with Vehicle Speed
Diagnostic Trouble Codes
Diagnostic Trouble Code (DTC) List/Type
Diagnostic Trouble Code (DTC) Type Definitions
DTC P0562
DTC P0563
DTC P0601
DTC P0602
DTC P0603
DTC P0604
DTC P0703
DTC P0705
DTC P0711
DTC P0712
DTC P0713
DTC P0717
DTC P0722
DTC P0727
DTC P0730
DTC P0731
DTC P0732
DTC P0733
DTC P0734
DTC P0735
DTC P0736
DTC P0741
DTC P0742
DTC P0762
DTC P0897
DTC P0962
DTC P0963
DTC P0966
DTC P0967
DTC P0970
DTC P0971
DTC P0973
DTC P0974
DTC P0976
DTC P0977
DTC P0979
DTC P0980
DTC P0982
DTC P0983
DTC P0985
DTC P0986
DTC P1715
DTC P1719
DTC P2533
DTC P2757
DTC P2758
DTC P2763
DTC P2764
Disassembly, Overhaul, Repair, and Assembly
1-2-Reverse Carrier Gear Assembly Installation
1-2-Reverse Carrier Gear Assembly Removal
2nd Clutch Assemble
2nd Clutch Disassemble
4-5 Clutch Drum Assembly Assemble
4-5 Clutch Drum Assembly Disassemble
Case Cover Assembly Assemble
Case Cover Assembly Disassemble
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
Control Valve Body Cover Removal
Control Valve Front Body Assemble
Control Valve Front Body Disassemble
Control Valve Rear Body Assemble
Control Valve Rear Body Disassemble
Fluid Filter Installation
Fluid Filter Removal
Forward and Direct Clutch Assembly Assemble
Forward and Direct Clutch Assembly Disassemble
Forward and Direct Clutch Assembly Installation
Forward and Direct Clutch Assembly Removal
Front Differential Assembly Installation
Front Differential Assembly Removal
Front Differential Carrier Seal Installation
Front Differential Carrier Seal Removal
Front Differential Transfer Drive Gear Assembly Installation
Front Differential Transfer Drive Gear Assembly Removal
Front Wheel Drive Shaft Seal Installation
Front Wheel Drive Shaft Seal Removal
Holding Fixture Installation
Holding Fixture Removal
Input and Output Speed Sensor Installation
Input and Output Speed Sensor Removal
Low and Reverse Clutch Piston Installation
Low and Reverse Clutch Piston Removal
Manual Shift Detent Lever and Park Pawl Installation
Manual Shift Detent Lever and Park Pawl Removal
Output Gear Assembly Installation
Output Gear Assembly Removal
Rear Internal Gear and Front Carrier Installation
Torque Converter Assembly Installation
Torque Converter Assembly Removal
Torque Converter Housing Installation
Torque Converter Housing Removal
Transmission Control Module Installation
Transmission Control Module Removal
Transmission Fluid Baffle Installation
Transmission Fluid Baffle Removal
Transmission Fluid Draining
Transmission Fluid Pump Assemble
Transmission Fluid Pump Disassemble
Transmission Fluid Pump Installation
Transmission Fluid Pump Removal
Wiring Harness Installation
Wiring Harness Removal
Electrical/Electronic Schematic Diagrams
Automatic Transmission Controls Schematics
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
Scan Tool Output Controls
Mechanical Specifications
Fastener Tightening Specifications
Fluid Capacity Specifications
Shift Solenoid Valve State and Gear Ratio
Transmission General Specifications
Other Specifications
Adhesives, Fluids, Lubricants, and Sealers
Line Pressure
Shift Speed
Transmission Range Switch Logic
Removal, Installation, and Replacement
1-2-Reverse Clutch Plate Assemble
1-2-Reverse Clutch Plate Disassemble
2nd Clutch Sprag Assembly Assemble
2nd Clutch Sprag Assembly Disassemble
2nd Clutch Sprag Assembly Removal
2nd Coast Clutch Plate Assemble
2nd Coast Clutch Plate Disassemble
3rd Gear Band Apply Tube Installation
3rd Gear Band Apply Tube Removal
3rd Gear Band Assembly Installation
3rd Gear Band Assembly Removal
3rd Gear Band Servo Piston Assemble
3rd Gear Band Servo Piston Assembly Removal
3rd Gear Band Servo Piston Disassemble
3rd Gear Band Servo Piston Installation
3rd Gear Band Servo Piston Pin Measurement
4-5 Clutch Drum Assembly Installation
4-5 Clutch Drum Assembly Removal
Case Cover and 1-2 Reverse Clutch Plate Assembly Installation
Case Cover and 1-2-Reverse Clutch Plate Assembly Removal
Control Valve Body Assemble - Middle
Control Valve Body Cover Replacement
Control Valve Body Disassemble - Middle
Control Valve Body Replacement
Forward and Direct Clutch End Play Measurement
Front Axle Shaft Seal Replacement
Front Differential Bearing Race and Side Gear Shim Installation
Front Differential Bearing Race and Side Gear Shim Removal
Front Internal Gear and Low and Reverse Clutch Plate Assembly Installation
Front Internal Gear and Low and Reverse Clutch Plate Assembly Removal
Front Internal Gear and Overrun Roller Clutch Assemble
Front Internal Gear and Overrun Roller Clutch Disassemble
Input Speed Sensor Replacement
Manual Shift Shaft Seal and Bearing Installation
Manual Shift Shaft Seal and Bearing Removal
Number 2 Control Valve Rear Body Assemble
Number 2 Control Valve Rear Body Disassemble
Oil Cooler Hose/Pipe Replacement
Output Speed Sensor Replacement
Rear Internal Gear and Front Carrier Removal
Rotational Torque Measurement
Shift Control Cable Replacement
Transmission Control Lever Knob Replacement
Transmission Control Module Replacement
Transmission Control Replacement
Transmission Fluid Cooler Pipe Fitting Seal Installation
Transmission Fluid Cooler Pipe Fitting Seal Removal
Transmission Fluid Cooler Pipe Seal Replacement
Transmission Fluid Drain Plug Installation
Transmission Fluid Level Indicator Replacement
Transmission Fluid Replacement
Transmission Mount Replacement - Left Side
Transmission Range Switch Lever Replacement
Transmission Range Switch Replacement
Transmission Rear Mount Bracket Replacement
Transmission Rear Mount Replacement
Transmission Replacement