Section 105 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis)
WARNING: This page is about a different car, the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Diagnostic Information and Procedures
- Symptoms - Automatic Transmission
- Range Selector Displays Incorrect Range
- Tow/Haul Switch/Indicator Always On or Inoperative
- Transmission Fluid Check
- Line Pressure Check
- Road Test
- Torque Converter Diagnosis
- Flex Plate/Torque Converter Vibration Test
- Noise and Vibration Analysis
- Clutch Plate Diagnosis
- Engine Coolant/Water in Transmission
- Fluid Leak Diagnosis
- Case Porosity Repair
- Shift Solenoid Leak Test
- Transmission Fluid Cooler Flushing and Flow Test (J 45096)
- Transmission Fluid Cooler Flushing and Flow Test (J 35944-A)
- Bushing and Mating Shaft Inspection
- Transmission Overheats
- Oil Pressure High or Low
- Harsh Shifts
- Inaccurate Shift Points
- First Gear Range Only - No Upshift
- Slips in First Gear
- Slipping or Harsh 1-2 Shift
- No 2-3 Shift or 2-3 Shift Slips, Rough or Hunting
- Second/Third Gear Only or First/Fourth Gears Only
- No First or Second Gear/No Third or Fourth Gear
- No Second Gear, No Fourth Gear, and No Reverse Gear
- Third Gear Only
- 3-2 Flare or Tie-Up
- No 3-4 Shift, Slips or Rough 3-4 Shift
- No Reverse or Slips in Reverse
- No Part Throttle or Delayed Downshifts
- Harsh Garage Shift
- No Overrun Braking - Manual 3-2-1
- No Torque Converter Clutch Apply (300 RPM Slip)
- Torque Converter Clutch Shudder
- No Torque Converter Clutch Release
- Torque Converter Clutch Slip - 100 RPM Slip
- Torque Converter Clutch Slip with Stall/Stumble
- Torque Converter Clutch Intermittent - OK Cold/Slips Hot
- No Fourth Gear, or Slips in Fourth Gear
- Slip/Flare in Any Gear
- No Third Gear
- Drives in Neutral
- Second Gear Start
- No Park
- Oil Out the Vent
- Vibration in Reverse and Whining Noise in Park
- Ratcheting Noise
- Ticking Noise in Reverse
- Popping Noise
- Whine Noise Varying with RPM or Fluid Pressure
- Buzz Noise or High Frequency Rattle Sound
- Noise in Random Ranges
- No Drive in All Ranges
- No Drive in Drive Range
- Shift Lever Indicates Wrong Gear
- No Gear Selection
- Engine Starts in Gear
- Delay in Drive and Reverse
- Lack of Power or Hesitation
- Repair Instructions - On Vehicle
- Transmission Control Module Replacement
- Range Selector Lever Cable Replacement
- Range Selector Lever Cable Adjustment
- Range Selector Lever Cable Bracket Replacement
- Park/Neutral Position Switch Replacement
- Park/Neutral Position Switch Adjustment
- Automatic Transmission Fluid and Filter Replacement
- Transmission Fluid Cooler Hose/Pipe Replacement
- Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection
- Transmission Fluid Auxiliary Cooler Replacement
- 2-4 Servo
- Torque Converter Clutch Valve and Spring Replacement
- Transmission Fluid Filler Tube and Seal Replacement
- Torque Converter Cover Replacement
- Transmission Heat Shield Replacement
- Manual Shift Shaft Seal Replacement
- Valve Body and Pressure Switch Replacement
- Control and Shift Solenoids Replacement
- Torque Converter Clutch Pulse Width Modulation Solenoid, Torque Converter Clutch Solenoid, and Wiring Harness
- Accumulator Assembly, Spacer Plate, and Gaskets
- Propeller Shaft Front Slip Yoke Oil Seal Replacement
- Case Extension Assembly Replacement
- Vehicle Speed Sensor Replacement
- Transmission Mount Replacement (4WD)
- Transmission Mount Replacement (2WD)
- Transmission Replacement
- Repair Instructions - Off Vehicle
- Holding Fixture Installation
- Torque Converter Assembly Removal
- Drain Oil
- Converter Housing Removal
- 2-4 Servo Cover and Assembly Removal
- 2-4 Band Servo Piston Pin Length Check
- Vehicle Speed Sensor and Case Extension Removal
- Transmission Fluid Pan and Filter Assembly Removal
- Control Valve Body and Wiring Harness Removal
- Turbine Shaft O-Ring Removal
- Transmission End Play Check
- Oil Pump Removal
- 2-4 Band, Input Clutches, Input Gear Set Removal
- Reaction Gear Set Removal
- Output Shaft, Reaction Gear, Low/Rev Clutch Removal
- Inner Manual Linkage Removal
- Low and Reverse Clutch Piston Removal
- Case Assembly Inspection
- 3rd Accumulator Retainer with Ball Assembly Leak Check
- 3rd Accumulator Retainer with Ball Replacement
- Case Bushing
- Manual Shift Shaft Seal Installation
- Low and Reverse Clutch Piston Installation
- Inner Manual Linkage Installation
- Reaction Gear and Carrier Inspection
- Reaction Gear and Carrier Installation
- Low and Reverse Clutch Spacer Plate Selection
- Low and Reverse Clutch Plate Installation
- Low and Reverse Clutch Support Disassemble
- Low and Reverse Clutch Support Installation
- Reaction Sun Gear Installation
- Reaction Carrier Shaft Replacement
- Input Internal Gear, Reaction Shaft and Shell Installation
- Internal Transmission Speed Sensor Rotor Replacement
- Output Shaft Installation
- Input Carrier Inspection
- Input Sun Gear Bushing Replacement
- Input Carrier Inspection and Installation
- Input Clutch Assembly Disassemble
- Input Housing and Shaft Assembly Inspection
- Input Housing and Shaft Assembly Assemble
- Input Housing to Output Shaft Seal Installation
- Overrun Clutch Installation
- Forward Clutch Sprag Disassemble
- Forward Clutch Sprag Assemble
- Forward Clutch Assembly Assemble
- Forward Clutch Piston Travel Check
- 3-4 Clutch Assemble
- 3-4 Clutch Plate Travel Check
- Clutch Air Check
- Turbine Shaft Seal Installation
- Reverse Input Clutch Disassemble
- Reverse Input Clutch Bushing Replacement
- Reverse Input Clutch Assemble
- Reverse Input Clutch Plate Travel Check
- Reverse Input and 3-4 Clutch Housing Installation
- 2-4 Band Installation
- Input Speed Sensor Removal
- Oil Pump Disassemble
- Oil Pump Body Disassemble
- Fluid Pump Rotor and Slide Measurement
- Oil Pump Body Bushing Replacement
- Oil Pump Body Assemble
- Oil Pump Cover Disassemble
- Oil Pump Stator Shaft Bushing Replacement
- Oil Pump Cover Assemble
- Oil Pump Cover and Body Assemble
- Input Speed Sensor Installation
- Oil Pump Assembly Installation
- Converter Housing Installation
- Turbine Shaft O-Ring Installation
- Control Valve Body Disassemble
- Control Valve Body Assemble
- 3-4 Accumulator Installation
- 1-2 Accumulator Disassemble
- 1-2 Accumulator Assemble
- 1-2 Accumulator Installation
- Control Valve Body Installation
- Manual Detent Spring Installation
- Oil Filter Assembly Installation
- Transmission Fluid Pan Installation
- 2-4 Band Servo 2nd Apply Piston Disassemble
- 2-4 Servo Assembly Installation
- Case Extension Bushing Replacement
- Vehicle Speed Sensor and Case Extension Installation
- Torque Converter End Play Inspection
- Torque Converter Installation
- Holding Fixture Removal
- Description and Operation
- Transmission General Information
- Definitions and Abbreviations
- Transmission Identification Information
- Transmission Component and System Description
- Transmission Adaptive Functions (TCM)
- Transmission Indicators and Messages (TCM)
- Electronic Component Description (TCM)
- Automatic Transmission Input Speed Sensor Assembly
- Electronic Component Description (TCM)
- 1-2 and 2-3 Shift Solenoid Valves
- 3-2 Shift Solenoid Valve Assembly
- Transmission Pressure Control Solenoid
- Torque Converter Clutch Solenoid Valve
- Torque Converter Clutch Pulse Width Modulation Solenoid Valve
- Transmission Fluid Pressure (TFP) Manual Valve Position Switch
- Vehicle Speed Sensor Assembly
- Automatic Transmission Fluid Temperature Sensor
- Transmission Range Switch
- Automatic Transmission Hydraulic Diagrams
- Park - Engine Running
- Notes
- Pressure Regulator Valve
- Pressure Relief Valve
- Line Pressure Tap
- Actuator Feed Limit Valve
- Pressure Control (PC) Solenoid Valve
- Torque Converter Clutch (TCC)
- TCC Solenoid Valve
- Converter Clutch Valve
- Torque Converter
- Cooler and Lubrication System
- Manual Valve
- Lo and Reverse Clutch Applies
- Lo Overrun Valve
- Transmission Fluid Pressure (TFP) Manual Valve Position Switch Assembly
- Shift Solenoid Valves (1-2 and 2-3)
- Shift Valves (1-2, 2-3 and 3-4)
- Park - Engine Running - A/T System Hydraulic Diagram
- Reverse
- Notes
- Manual Valve
- Lo and Reverse Clutch
- Reverse Input Checkball (#3)
- Reverse Abuse Valve
- Boost Valve
- Reverse Input Clutch Piston
- Reverse Input Air Bleed Checkball
- Transmission Fluid Pressure (TFP) Manual Valve Position Switch Assembly
- Shift Solenoid Valves (1-2 and 2-3)
- Shift Valves (1-2, 2-3 and 3-4)
- Pressure Control (PC) Solenoid Valve
- Reverse - A/T System Hydraulic Diagram
- Neutral - Engine Running
- Overdrive Range, First Gear
- Notes
- Manual Valve
- Forward Clutch Accumulator Checkball (#12)
- Forward Clutch Accumulator Piston
- Forward Clutch Abuse Valve
- Transmission Fluid Pressure (TFP) Manual Valve Position Switch Assembly
- 1-2 Shift Solenoid (SS) Valve
- 2-3 Shift Solenoid (SS) Valve
- 2-3 Shift Valve Train
- 1-2 Shift Valve
- Accumulator Valve
- Rear Lube (All Except Y-Car)
- Pressure Control (PC) Solenoid Valve
- 3-2 Control Solenoid Valve
- Torque Converter Clutch PWM Solenoid Valve
- Overdrive Range, First Gear - A/T System Hydraulic Diagram
- Overdrive Range, Second Gear
- Notes
- 1-2 Shift Solenoid (SS) Valve
- 2-3 Shift Solenoid (SS) Valve
- 1-2 Shift Valve
- 1-2 Shift Checkball (#8)
- 2-4 Servo Assembly
- 1-2 Accumulator
- Accumulator Valve
- 2-3 Shift Valve Train
- 3-4 Relay Valve and 4-3 Sequence Valve
- 3-2 Downshift Valve
- 3-2 Control Solenoid Valve
- 3-2 Control Valve
- 3-4 Shift Valve
- Torque Converter Clutch
- Overdrive Range, Second Gear - A/T System Hydraulic Diagram
- Overdrive Range, Third Gear
- Notes
- 2-3 Shift Solenoid (SS) Valve
- 2-3 Shift Valve Train
- 3-4 Clutch Exhaust Checkball (#4)
- 3-4 Clutch Piston
- 3rd Accumulator Checkball (#2)
- 3rd Accumulator Exhaust Checkball (#7)
- 2-4 Servo Assembly
- 3-2 Downshift Valve
- 3-2 Control Solenoid Valve and 3-2 Control Valve
- 1-2 Shift Solenoid (SS) Valve and 1-2 Shift Valve
- 3-4 Shift Valve
- Torque Converter Clutch
- Overdrive Range, Third Gear - A/T System Hydraulic Diagram
- Overdrive Range, Fourth Gear - Torque Converter Clutch Applied
- Notes
- 1-2 Shift Solenoid (SS) Valve
- 2-3 Shift Solenoid (SS) Valve
- 1-2 Shift Valve
- 3-4 Shift Valve
- 3-4 Relay Valve and 4-3 Sequence Valve
- 2-4 Servo Assembly
- 2-4 Band Apply Accumulation
- 3-4 Accumulator Assembly
- 3-4 Accumulator Checkball (#1)
- Accumulator Valve
- 3-2 Control Solenoid Valve and 3-2 Control Valve
- Torque Converter Clutch Applies
- Converter Clutch Apply Valve
- Torque Converter
- TCC Apply Checkball (#9)
- TCC PWM Solenoid Valve
- Overdrive Range, Fourth Gear - A/T System Hydraulic Diagram
- Overdrive Range, 4-3 Downshift
- Notes
- 1-2 Shift Solenoid (SS) Valve
- 1-2 Shift Valve
- 2-4 Band Releases
- 3-4 Relay Valve and 4-3 Sequence Valve
- 2-4 Servo Assembly
- 3-4 Accumulator Assembly
- 3-4 Accumulator Checkball (#1)
- Accumulator Valve
- 2-3 Shift Solenoid (SS) Valve
- 2-3 Shift Valve Train
- Torque Converter Clutch Solenoid Valve
- Pressure Control (PC) Solenoid Valve
- Overdrive Range, 4-3 Downshift - A/T System Hydraulic Diagram
- Overdrive Range, 3-2 Downshift
- Notes
- 2-3 Shift Valve Train
- 3-4 Clutch Releases and 2-4 Band Applies
- 3-4 Clutch Exhaust Checkball (#4)
- 2-4 Servo Assembly
- 3-2 Downshift Valve and 1-2 Upshift Checkball (#8)
- Downshift Timing and Control
- 3rd Accumulator Checkball (#2)
- 3-2 Control Solenoid Valve and 3-2 Control Valve
- 3rd Accumulator Exhaust Checkball (#7)
- Pressure Control (PC) Solenoid Valve
- Overdrive Range, 3-2 Downshift - A/T System Hydraulic Diagram
- Manual Third Gear
- Notes
- Manual Valve
- Transmission Fluid Pressure (TFP) Manual Valve Position Switch Assembly
- 1-2 Shift Solenoid (SS) Valve
- 3-4 Shift Valve
- 2-3 Shift Valve Train
- Overrun Clutch Feed Checkball (#5)
- Overrun Clutch Control Checkball (#6)
- 3-4 Relay Valve and 4-3 Sequence Valve
- Overrun Clutch Piston
- Overrun Clutch Air Bleed Checkball
- Torque Converter Clutch and Torque Converter Clutch PWM Solenoid Valve
- Pressure Control (PC) Solenoid Valve
- Manual Third - First and Second Gears: Overrun Clutch Released
- Manual Third Gear - A/T System Hydraulic Diagram
- Manual Second Gear
- Notes
- Manual Valve
- Transmission Fluid Pressure (TFP) Manual Valve Position Switch Assembly
- Third and Fourth Gears Prevented
- 2-3 Shift Valve Train
- 1-2 Shift Valve
- First Gear Prevented
- Overrun Clutch Remains Applied
- Overrun Clutch Piston
- Torque Converter Clutch
- Pressure Control (PC) Solenoid Valve
- Manual Second Gear - A/T System Hydraulic Diagram
- Manual First Gear
- Notes
- Manual Valve
- Transmission Fluid Pressure (TFP) Manual Valve Position Switch Assembly
- 2-3 Shift Solenoid (SS) Valve
- 2-3 Shift Valve Train
- 1-2 Shift Solenoid (SS) Valve
- 1-2 Shift Valve
- 2-4 Band Releases
- 1-2 Accumulator Assembly
- Accumulator Valve
- 1-2 Upshift Checkball (#8)
- Lo and Reverse Clutch Applies
- Lo and Reverse Piston
- Overrun Clutch Applied
- Pressure Control (PC) Solenoid Valve
- 3-2 Downshift Control Solenoid Valve and the 3-2 Control Valve
- Manual First Gear - A/T System Hydraulic Diagram
- Park - Engine Running
- Fluid Passages
- Special Tools