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DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2007SUBURBAN C1500, 5.3 0REPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSION - 4L60-E/4L65-E/4L70-E - INTRODUCTION (2 OF 2)
2007 Chevrolet Suburban C1500, 5.3 0
Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (2 Of 2)
2007 Chevrolet Suburban C1500, 5.3 0SECTION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (2 Of 2)
- Specifications
- Transmission Fluid Temperature Sensor Specifications
- Fastener Tightening Specifications
- Transmission General Specifications
- Fluid Capacity Specifications
- End Play Specifications
- Low and Reverse Clutch Spacer Plate Selection
- Forward Clutch Backing Plate Selection
- Third and Fourth Clutch Backing Plate Selection
- Reverse Input Clutch Backing Plate Selection
- Oil Pump Rotor and Slide Measurement
- Torque Converter End Play Specifications
- Torque Converter End Play Inspection
- 2-4 Servo Pin Selection
- Range Reference
- Shift Solenoid Valve State & Gear Ratio
- Shift Speed
- Transmission Fluid Pressure Manual Valve Position Switch Logic
- Transmission Range Switch Logic
- Line Pressure
- Component Resistance
- Schematic & Routing Diagrams
- Component Locator
- Automatic Transmission Electronic Component Views
- Disassembled Views
- Component Location
- Automatic Transmission Inline 20-Way Connectors
- Automatic Transmission Internal Connectors
- 1-2 Shift Solenoid (SS) Valve, Wiring Harness Side
- 2-3 Shift Solenoid (SS) Valve, Wiring Harness Side
- 3-2 Shift Solenoid (SS) Valve Assembly, Wiring Harness Side
- Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch, Wiring Harness Side
- Input Speed Sensor (ISS) Harness
- Pressure Control (PC) Solenoid Valve, Wiring Harness Side
- Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve, Wiring Harness Side
- Torque Converter Clutch (TCC) Solenoid Valve, Wiring Harness Side
- Automatic Transmission Related Connectors
- Diagnostic Information and Procedures
- Repair Instructions
- Repair Instructions - On Vehicle
- Transmission Control Module Replacement
- Automatic Transmission Range Selector Lever Cable Replacement
- Automatic Transmission Range Selector Lever Cable Bracket Replacement
- Automatic Transmission Range Selector Lever Cable Adjustment
- 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 Replacement
- Transmission Fluid Auxiliary Cooler Replacement
- 2-4 Servo
- Pressure Regulator Replacement
- Torque Converter Clutch Valve and Spring Replacement
- 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, & Wiring Harness
- Accumulator Assembly, Spacer Plate, and Gaskets
- Transmission Extension Housing Rear Oil Seal Replacement
- Transmission Extension Housing Assembly Replacement
- Vehicle Speed Sensor Replacement
- Transmission Mount Replacement (2WD)
- Transmission Mount Replacement (4WD)
- 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 Servo Pin Length Check
- Speed Sensor and Case Extension Removal
- Transmission Fluid Pan and Filter Assembly Removal
- 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
- Retainer and Ball Assembly Leak Check
- Third Accumulator Retainer and Ball Replacement
- Case Bushing
- Manual 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 Bushings 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 Seals Installation
- Reverse Input Clutch Disassemble
- Reverse Input Clutch Bushing Replacement
- Reverse Input Clutch Assemble
- Reverse Input Clutch Plate Travel Check
- Reverse Input and Input Clutches Installation
- 2-4 Band Assembly Installation
- Input Speed Sensor Removal
- Oil Pump Disassemble
- Oil Pump Body Disassemble
- Oil 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 Servo Disassemble
- 2-4 Servo Assembly Installation
- Case Extension Bushing Replacement (2WD Truck/Utility/Van Only )
- Speed Sensor and Case Extension Installation
- Torque Converter End Play Inspection
- Torque Converter Installation
- Holding Fixture Removal
- Repair Instructions - On Vehicle
- Description and Operation
- Transmission General Information
- Definitions and Abbreviations
- Transmission Identification Information
- Transmission Component & 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 Inline 20-Way Connector Description
- 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 Applies
- 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
- 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 - TCC Applied - 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 and Equipment
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.