GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2007
🢒
TrailBlazer - 2WD
🢒
Transmission/Transaxle
🢒 Automatic Transmission - 4L60-E/4L65-E/4L70-E
Transmission/Transaxle
All Component Locator
Automatic Transmission Electronic Component Views
Component Location
Disassembled Views
Fluid Passages
Torque Converter Housing Identification
Transmission Fluid Pan Identification
All Description and Operation
Automatic Transmission Inline 20-Way Connector Description
Definitions and Abbreviations
Electronic Component Description
Manual First Gear
Manual Second Gear
Manual Third Gear
Neutral - Engine Running
Overdrive Range, 3-2 Downshift
Overdrive Range, 4-3 Downshift
Overdrive Range, First Gear
Overdrive Range, Fourth Gear - Torque Converter Clutch Applied
Overdrive Range, Second Gear
Overdrive Range, Third Gear
Park - Engine Running
Reverse
Transmission Adaptive Functions
Transmission Component and System Description
Transmission General Information
Transmission Identification Information
Transmission Indicators and Messages
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
Cleaning, Inspection, and Adjustment
2-4 Band Servo Piston Pin Length Check
3-4 Clutch Plate Travel Check
3rd Accumulator Retainer with Ball Assembly Leak Check
Case Assembly Inspection
Clutch Air Check
Fluid Pump Rotor and Slide Measurement
Forward Clutch Piston Travel Check
Input Carrier Inspection
Input Housing and Shaft Assembly Inspection
Low and Reverse Clutch Spacer Plate Selection
Park/Neutral Position Switch Adjustment
Range Selector Lever Cable Adjustment
Reaction Gear and Carrier Inspection
Reverse Input Clutch Plate Travel Check
Torque Converter End Play Inspection
Transmission End Play Check
Diagnostic Procedures
3-2 Flare or Tie-Up
Bushing and Mating Shaft Inspection
Buzz Noise or High Frequency Rattle Sound
Case Porosity Repair
Delay in Drive and Reverse
Diagnostic Starting Point - Automatic Transmission
Drives in Neutral
Engine Starts in Gear
First Gear Range Only - No Upshift
Flex Plate/Torque Converter Vibration Test
Fluid Leak Diagnosis
Harsh Garage Shift
Harsh Shifts
Inaccurate Shift Points
Lack of Power or Hesitation
Line Pressure Check
No 2-3 Shift or 2-3 Shift Slips, Rough or Hunting
No 3-4 Shift, Slips or Rough 3-4 Shift
No Drive in All Ranges
No Drive in Drive Range
No First or Second Gear/No Third or Fourth Gear
No Fourth Gear, or Slips in Fourth Gear
No Gear Selection
No Overrun Braking - Manual 3-2-1
No Park
No Part Throttle or Delayed Downshifts
No Reverse or Slips in Reverse
No Second Gear, No Fourth Gear, and No Reverse Gear
No Third Gear
No Torque Converter Clutch Apply
No Torque Converter Clutch Release
Noise in Random Ranges
Oil Out the Vent
Oil Pressure High or Low
Popping Noise
Range Selector Displays Incorrect Range
Ratcheting Noise
Road Test
Second Gear Start
Second/Third Gear Only or First/Fourth Gears Only
Shift Lever Indicates Wrong Gear
Shift Solenoid Leak Test
Slip/Flare in Any Gear
Slipping or Harsh 1-2 Shift
Slips in First Gear
Symptoms - Automatic Transmission
Third Gear Only
Ticking Noise in Reverse
Torque Converter Clutch Intermittent - OK Cold/Slips Hot
Torque Converter Clutch Shudder
Torque Converter Clutch Slip - 100 RPM Slip
Torque Converter Clutch Slip with Stall/Stumble
Torque Converter Diagnosis
Transmission Fluid Check
Transmission Fluid Cooler Flushing and Flow Test
Transmission Overheats
Vibration in Reverse and Whining Noise in Park
Whine Noise Varying with RPM or Fluid Pressure
Diagnostic Trouble Codes
Diagnostic Trouble Code (DTC) List/Type
Diagnostic Trouble Code (DTC) Type Definitions
DTC P0218
DTC P0502
DTC P0503
DTC P0562
DTC P0563
DTC P0601-P0604, P062F, or P1621
DTC P0705
DTC P0711
DTC P0712
DTC P0713
DTC P0716
DTC P0717
DTC P0719
DTC P0722
DTC P0723
DTC P0724
DTC P0741
DTC P0742
DTC P0748
DTC P0751
DTC P0752
DTC P0756
DTC P0757
DTC P0787
DTC P0788
DTC P0851
DTC P0852
DTC P0894
DTC P0961
DTC P0973
DTC P0974
DTC P0976
DTC P0977
DTC P1810
DTC P1815
DTC P1816
DTC P1818
DTC P2534
DTC P2544
DTC P2763
DTC P2764
DTC P2769
DTC P2770
DTC P2771
Disassembly, Overhaul, Repair, and Assembly
1-2 Accumulator Assemble
1-2 Accumulator Disassemble
1-2 Accumulator Installation
2-4 Band Installation
2-4 Band Servo 2nd Apply Piston Disassemble
2-4 Band Servo Piston Pin Length Check
2-4 Band, Input Clutches, Input Gear Set Removal
2-4 Servo Assembly Installation
2-4 Servo Cover and Assembly Removal
3-4 Accumulator Installation
3-4 Clutch Assemble
3rd Accumulator Retainer with Ball Replacement
Case Bushing
Case Extension Bushing Replacement
Control Valve Body and Wiring Harness Removal
Control Valve Body Assemble
Control Valve Body Disassemble
Control Valve Body Installation
Converter Housing Installation
Converter Housing Removal
Drain Oil
Forward Clutch Assembly Assemble
Forward Clutch Sprag Assemble
Forward Clutch Sprag Disassemble
Holding Fixture Installation
Holding Fixture Removal
Inner Manual Linkage Installation
Inner Manual Linkage Removal
Input Carrier Inspection and Installation
Input Clutch Assembly Disassemble
Input Housing and Shaft Assembly Assemble
Input Housing to Output Shaft Seal Installation
Input Internal Gear, Reaction Shaft and Shell Installation
Input Speed Sensor Installation
Input Speed Sensor Removal
Input Sun Gear Bushing Replacement
Internal Transmission Speed Sensor Rotor Replacement
Low and Reverse Clutch Piston Installation
Low and Reverse Clutch Piston Removal
Low and Reverse Clutch Plate Installation
Low and Reverse Clutch Support Disassemble
Low and Reverse Clutch Support Installation
Manual Detent Spring Installation
Manual Shift Shaft Seal Installation
Oil Filter Assembly Installation
Oil Pump Assembly Installation
Oil Pump Body Assemble
Oil Pump Body Bushing Replacement
Oil Pump Body Disassemble
Oil Pump Cover and Body Assemble
Oil Pump Cover Assemble
Oil Pump Cover Disassemble
Oil Pump Disassemble
Oil Pump Removal
Oil Pump Stator Shaft Bushing Replacement
Output Shaft Installation
Output Shaft, Reaction Gear, Low/Rev Clutch Removal
Overrun Clutch Installation
Reaction Carrier Shaft Replacement
Reaction Gear and Carrier Installation
Reaction Gear Set Removal
Reaction Sun Gear Installation
Reverse Input and 3-4 Clutch Housing Installation
Reverse Input Clutch Assemble
Reverse Input Clutch Bushing Replacement
Reverse Input Clutch Disassemble
Torque Converter Assembly Removal
Torque Converter Installation
Transmission End Play Check
Transmission Fluid Pan and Filter Assembly Removal
Transmission Fluid Pan Installation
Turbine Shaft O-Ring Installation
Turbine Shaft O-Ring Removal
Turbine Shaft Seal Installation
Vehicle Speed Sensor and Case Extension Installation
Vehicle Speed Sensor and Case Extension Removal
Electrical/Electronic Schematic Diagrams
Automatic Transmission Controls Schematics
Automatic Transmission Schematic Icons
Electrical/Electronic Specifications
Component Resistance
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
End Play Specifications
Fastener Tightening Specifications
Fluid Capacity Specifications
Range Reference
Shift Solenoid Valve State and Gear Ratio
Torque Converter End Play Specifications
Transmission General Specifications
Other Specifications
2-4 Band Servo Piston Pin Selection
Fluid Pump Rotor and Slide Measurement
Forward Clutch Backing Plate Selection
Line Pressure
Low and Reverse Clutch Spacer Plate Selection
Reverse Input Clutch Backing Plate Selection
Shift Speed
Third and Fourth Clutch Backing Plate Selection
Transmission Fluid Pressure Manual Valve Position Switch Logic
Transmission Range Switch Logic
Removal, Installation, and Replacement
2-4 Servo
Accumulator Assembly, Spacer Plate, and Gaskets
Automatic Transmission Fluid and Filter Replacement
Case Extension Assembly Replacement
Control and Shift Solenoids Replacement
Floor Shift Control Knob Replacement
Manual Shift Shaft Seal Replacement
Park/Neutral Position Switch Replacement
Pressure Regulator Valve Replacement
Propeller Shaft Front Slip Yoke Oil Seal Replacement
Range Selector Lever Cable Bracket Replacement
Range Selector Lever Cable Replacement
Torque Converter Clutch Pulse Width Modulation Solenoid, Torque Converter Clutch Solenoid, and Wiring Harness
Torque Converter Clutch Valve and Spring Replacement
Transmission Control Module Replacement
Transmission Control 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 Heat Shield Replacement
Transmission Mount Replacement
Transmission Mount Spacer Replacement
Transmission Replacement
Valve Body and Pressure Switch Replacement
Vehicle Speed Sensor Replacement