Section 150 (Automatic Transmission - 4L80-E/4L85-E - Overhaul)
WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2005 GMC Yukon XL, 2005 GMC Sierra, 2005 GMC Savana Special, 2005 GMC Savana Camper Special, and 2005 GMC Savana. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Component Locator
- Repair Instructions
- Torque Converter Assembly Removal
- Torque Converter End Play Inspection
- Transmission Holding Fixture Installation
- Draining Transmission Fluid
- Speed Sensor Assembly Removal
- Case Extension Assembly Removal
- Transmission Oil Pan Removal
- Transmission Oil Filter Assembly Removal
- Transmission Wire Harness Removal
- Control Valve Body Assembly Removal
- Manual 2-1 Band Servo Assembly Removal
- Low and Reverse Band Servo Assembly Removal
- Low and Reverse Band Servo Piston Pin Check
- Manual Shift Shaft Removal
- Parking System Components Removal
- Front End Play Check
- Rear Unit End Play Check
- Transmission Oil Pump Assembly Removal
- Overdrive Assembly Removal
- Fourth Clutch Assembly Removal
- Forward Clutch Assembly Removal
- Direct Clutch Assembly Removal
- Manual 2-1 Band Assembly Removal
- Intermediate Clutch Assembly Removal
- Center Support and Gear Unit Assembly Removal
- Low and Reverse Band Removal
- Output Shaft Seal Removal
- Transmission Case Inspection
- Output Shaft Seal Installation
- Parking System Components Installation
- Low and Reverse Band/Thrust Washer Installation
- Center Support and Gear Unit Assembly Disassemble
- Output Carrier Pinion End Play Measurement
- Reaction Carrier Pinion End Play
- Reaction Carrier Assemble
- Center Support Assembly Disassemble
- Center Support Assembly Reconditioning Repair
- Center Support Assembly Assemble
- Center Support and Gear Unit Assembly Assemble
- Center Support and Gear Unit Assembly Installation
- Center Support Bolt/Cooler Pipe Fitting Installation
- Intermediate Clutch Assembly Installation
- Intermediate Clutch Piston Travel Check
- Manual 2-1 Band Assembly Installation
- Direct Clutch Assembly Disassemble
- Direct Clutch Assembly Assemble
- Direct Clutch Assembly Installation
- Direct Clutch Piston Travel Check
- Forward Clutch Assembly Disassemble
- Forward Clutch Assembly Assemble
- Forward Clutch Piston Travel Check
- Forward Clutch Hub Assemble
- Forward Clutch Assembly Installation
- Fourth Clutch Assembly Disassemble
- Fourth Clutch Assembly Assemble
- Fourth Clutch Piston Travel Check
- Fourth Clutch Assembly Installation
- Overrun Clutch Assembly Disassemble
- Overrun Clutch Assembly Assemble
- Overrun Clutch Piston Travel Check
- Overdrive Carrier Pinion End Play Check
- Overdrive Carrier Assembly Disassemble
- Overdrive Carrier Assembly Assemble
- Turbine Shaft Disassemble
- Turbine Shaft Assemble
- Overdrive Carrier Assemble
- Turbine Shaft/Overdrive Carrier Installation
- Fourth Clutch Plate Installation
- Transmission Oil Pump Disassemble
- Transmission Oil Pump Cover Disassemble
- Transmission Oil Pump Cover Assemble
- Transmission Oil Pump Body to Gear Face Clearance Check
- Transmission Oil Pump Body Disassemble
- Transmission Oil Pump Body Flatness Check
- Transmission Oil Pump Body Assemble
- Transmission Oil Pump Assemble
- Transmission Oil Pump Assembly Installation
- Manual 2-1 Band Servo Assembly Disassemble
- Manual 2-1 Band Servo Assembly Assemble
- Manual 2-1 Band Servo Assembly Installation
- Low and Reverse Band Servo Apply Piston Pin Check
- Low and Reverse Band Servo Assembly Disassemble
- Low and Reverse Band Servo Assembly Assemble
- Low and Reverse Band Servo Assembly Installation
- Third and Fourth Clutch Accumulator Housing Removal
- Third and Fourth Clutch Accumulator Housing Disassemble
- Third and Fourth Clutch Accumulator Housing Assemble
- Control Valve Body Assembly Disassemble
- Control Valve Body Cleaning and Inspection
- Control Valve Body Assembly Assemble
- Third/Fourth Clutch Accumulator Housing Installation
- Control Valve Body Assembly Installation
- Wiring Harness Installation
- Transmission Oil Filter Assembly Installation
- Transmission Oil Pan Installation
- Speed Sensor Assembly Installation
- Case Extension Assembly Installation
- Torque Converter Assembly Installation
- Holding Fixture Removal
- Description and Operation
- Automatic Transmission Hydraulic Diagrams
- Park or Neutral - Engine Running
- Reverse
- Overdrive Range, First Gear
- Overdrive Range, Second Gear
- Overdrive Range, Third Gear - Torque Converter Clutch (TCC) Applied
- Overdrive Range, Fourth Gear - Torque Converter Clutch (TCC) Applied
- Overdrive Range, 4-3 Downshift
- Overdrive Range, 3-2 Downshift
- Manual Third Gear
- Manual Second Gear
- Manual First Gear
- Fluid Passages
- Automatic Transmission Hydraulic Diagrams
- Special Tools and Equipment