GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
2001
🢒
Catera
🢒
Transmission/Transaxle
🢒
Automatic Transmission - 4L30-E
🢒 Transmission Overhaul
In order to overhaul, follow the sequence below.
Torque Converter Assembly Removal
Holding Fixture Installation
Transmission Fluid Draining
4th Clutch Accumulator Piston Removal
Adapter Case Oil Pan Removal
Adapter Case Wiring Harness Removal
Adapter Case Control Valve Assembly Removal
Main Case Oil Pan Removal
Oil Filter Removal
Main Case Wiring Harness Removal
Main Case Control Valve Assembly Removal
Forward Band Servo Piston Removal
Speed Sensor Removal
Extension Housing Removal
Speedometer Wheel and Park Lock Wheel Removal
Oil Pump and Torque Converter Housing Removal
Overdrive Unit and Fourth Clutch Assembly Removal
Adapter Case Removal
Second Clutch and Third Clutch Assembly Removal
Planetary Carrier and Output Assembly Removal
Brake Band Removal
Detent Lever and Manual Shaft Removal
Main Case Breather Removal
Transmission Case Inspection
Main Case Breather Installation
Detent Lever and Manual Shaft Installation
Brake Band, Reaction Sun Gear, and Reaction Drum Assembly Installation
Planetary Carrier Pinion Clearance Check
Planetary Carrier Installation
Input Sprag Assembly Removal
Third Clutch Disassemble
Third Clutch Assemble
Input Sprag Disassemble
Input Sprag Assemble
Input Sprag Assembly Installation
2nd Clutch Disassemble
2nd Clutch Assemble
Third Clutch Housing Assemble
Third Clutch Housing Installation
Reverse Clutch Parts Installation
Adapter Case Disassemble
Center Support Assembly Removal
Center Support Disassemble
Center Support Inspection
Center Support Assemble
Center Support Assembly Installation
Determining Main Case Selective Washer Thickness
Reverse Clutch Piston Installation
Selective Thrust Washer Installation
4th Clutch Assembly Installation
Adapter Case Assembly Installation
Overdrive Disassemble
Overrun Clutch Housing Disassemble
Overdrive Carrier Pinion Gear End Play Check
Overrun Clutch Housing Assemble
Overdrive Assemble
Overdrive Unit/Fourth Clutch Assembly Installation
4th Clutch Accumulator Piston Installation
Converter Housing Disassemble
Transmission Fluid Pump Gear Clearance Check
Transmission Fluid Pump Disassemble
Transmission Fluid Pump Assemble
Converter Housing Assemble
Converter Housing Selective Thrust Washer Check
Converter Housing Assembly Installation
Overdrive Unit End Play Check
Extension Disassemble
Extension Assemble
Speedometer Wheel Disassemble
Extension Housing and Speedometer Whl Installation
Main Case End Play Check
Drive Flange Installation
Forward Band Servo Piston Disassemble
Forward Band Servo Piston Assemble
Forward Band Servo Piston Installation
Forward Band Servo Piston Adjustment
Main Case Control Valve Body Disassemble
Main Case Control Valve Body Assemble
Main Case Control Valve Assembly Installation
Main Case Wiring Harness Installation
Oil Filter Assembly Installation
Main Case Oil Pan Installation
Adapter Case Control Valve Disassemble
Adapter Case Control Valve Assemble
Adapter Case Control Valve Assembly Installation
Adapter Case Wiring Harness Installation
Adapter Case Oil Pan Installation
Torque Converter Assembly Installation
Holding Fixture Removal