GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1999
🢒
GMC C Pickup - 2WD
🢒
Transmission/Transaxle
🢒 Automatic Transmission - 4L80-E
Transmission/Transaxle
All Component Locator
Automatic Transmission Electronic Component Views
Transmission Component Location
All Description and Operation
Manual First Gear
Manual Second Gear
Manual Third Gear
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 - Torque Converter Clutch Applied
Park or Neutral - Engine Running
Reverse
All Special Tools and Equipment
Special Tools
Cleaning, Inspection, and Adjustment
4th Clutch Piston Travel Check
Control Valve Body Cleaning and Inspection
Direct Clutch Piston Travel Check
Forward Clutch Piston Travel Check
Front End Play Check
Front End Play Check
Intermediate Clutch Piston Travel Check
Low and Reverse Band Servo Piston Pin Check
Low and Reverse Band Servo Piston Pin Check
Output Carrier Pinion End Play Measurement
Overdrive Carrier Pinion End Play Check
Overrun Clutch Piston Travel Check
Reaction Carrier Pinion End Play
Rear Unit End Play Check
Rear Unit End Play Check
Torque Converter End Play Inspection
Transmission Case Inspection
Transmission Fluid Pump Body Flatness Check
Transmission Fluid Pump Body to Gear Face Clearance Check
Disassembly, Overhaul, Repair, and Assembly
3rd and 4th Clutch Accumulator Housing Assemble
3rd and 4th Clutch Accumulator Housing Disassemble
3rd and 4th Clutch Accumulator Housing Installation
3rd and 4th Clutch Accumulator Housing Removal
4th Clutch Assembly Assemble
4th Clutch Assembly Disassemble
4th Clutch Assembly Installation
4th Clutch Assembly Removal
4th Clutch Plate Installation
Case Extension Assembly Installation
Case Extension Assembly Removal
Center Support and Gear Unit Assembly Assemble
Center Support and Gear Unit Assembly Disassemble
Center Support and Gear Unit Assembly Installation
Center Support and Gear Unit Assembly Removal
Center Support Assembly Assemble
Center Support Assembly Disassemble
Center Support Assembly Reconditioning Repair
Center Support Bolt and Transmission Fluid Cooler Pipe Fitting Installation
Control Valve Body Assembly Assemble
Control Valve Body Assembly Disassemble
Control Valve Body Assembly Installation
Control Valve Body Assembly Removal
Direct Clutch Assembly Assemble
Direct Clutch Assembly Disassemble
Direct Clutch Assembly Installation
Direct Clutch Assembly Removal
Forward Clutch Assembly Assemble
Forward Clutch Assembly Disassemble
Forward Clutch Assembly Installation
Forward Clutch Assembly Removal
Forward Clutch Hub Assemble
Holding Fixture Removal
Input and Output Speed Sensor Assembly Installation
Input and Output Speed Sensor Assembly Removal
Intermediate Clutch Assembly Installation
Intermediate Clutch Assembly Removal
Low and Reverse Band and Output Shaft Thrust Washer Installation
Low and Reverse Band Removal
Low and Reverse Band Servo Assembly Assemble
Low and Reverse Band Servo Assembly Disassemble
Low and Reverse Band Servo Assembly Installation
Low and Reverse Band Servo Assembly Removal
Manual 2-1 Band Assembly Installation
Manual 2-1 Band Assembly Removal
Manual 2-1 Band Servo Assembly Assemble
Manual 2-1 Band Servo Assembly Disassemble
Manual 2-1 Band Servo Assembly Installation
Manual 2-1 Band Servo Assembly Removal
Manual Shift Shaft Removal
Output Shaft Seal Installation
Output Shaft Seal Removal
Overdrive Assembly Removal
Overdrive Carrier Assemble
Overdrive Carrier Assembly Assemble
Overdrive Carrier Assembly Disassemble
Overrun Clutch Assembly Assemble
Overrun Clutch Assembly Disassemble
Parking System Components Installation
Parking System Components Removal
Reaction Carrier Assemble
Torque Converter Assembly Installation
Torque Converter Assembly Removal
Transmission Fluid Draining
Transmission Fluid Filter Assembly Installation
Transmission Fluid Filter Assembly Removal
Transmission Fluid Pan Installation
Transmission Fluid Pan Removal
Transmission Fluid Pump Assemble
Transmission Fluid Pump Body Assemble
Transmission Fluid Pump Body Disassemble
Transmission Fluid Pump Cover Assemble
Transmission Fluid Pump Cover Disassemble
Transmission Fluid Pump Disassemble
Transmission Fluid Pump Installation
Transmission Fluid Pump Removal
Transmission Holding Fixture Installation
Transmission Overhaul
Transmission Wiring Harness Removal
Turbine Shaft and Overdrive Carrier Installation
Turbine Shaft Assemble
Turbine Shaft Disassemble
Wiring Harness Installation
Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
End Play Specifications
Fluid Capacity Specifications
Oil Pump Specifications
Transmission General Specifications