Automatic Transmission (4L30-E)
- Service Precaution
- Construction
- Range Reference Chart
- Normal Operation of 2001 4L30-E Transmission
- Diagnosis
- Driver Information
- General Diagnosis Procedure
- Preliminary Inspection Chart
- Checking Transmission Fluid Level and Condition
- Test Driving
- Mechanical/Hydraulic Diagnosis Check Trans Indicator Chart
- Mechanical/Hydraulic Diagnosis Symptoms Index
- Perform Preliminary Inspection First!
- Chart 1: No Engine Start In Neutral Or Park
- Chart 2: No Forward Gears In Any Range/No Reverse
- Chart 3: No Engine Brake In Any Range
- Chart 4: Poor Shifting In All Gears (All Harsh Or All Soft)
- Chart 5a: Delays In Drive and Reverse
- Chart 5b: Delays In Reverse Only
- Chart 6: Diagnostic Trouble Code (DTC) P0730
- Chart 7: Harsh 1-2 Shift
- Chart 8: Harsh 3-4 Shift
- Chart 9a: 3-2 Downshift Complaint
- Chart 9b: Harsh Shift When Shifting Into "D" Or Accelerating From Stop
- Chart 9c: Coastdown Harsh Shift Or Clunk At 3-2 Downshift
- Chart 10: Intermittent 4TH To 2ND Gear Downshift At Steady Speed
- Chart 11: Engine Flare At Shifting During Turning Only (Usually With Warm Engine)
- Chart 12: Engine Flare During 1-2 Or 2-3 Shift
- Chart 13: Shudder Only During Torque Converter Clutch (TCC) Applying
- Chart 14: Possible Causes of Transmission Noise
- Chart 15a: Possible Causes of Low Line Pressure
- Chart 15b: Possible Causes of High Line Pressure
- Chart 16: Possible Causes of Transmission Fluid Leaks
- Stall Test
- Line Pressure Test
- Shift Speed Chart (V6)
- Lockup Speed Chart
- Shift Speed Chart (HEC)
- Changing Transmission Fluid
- Selector Lever
- Select Cable
- Shift Lock Cable
- Mode Switch
- Transmission Assembly
- Solenoid (Main Case Valve Body)
- Solenoid (Adapter Case Valve Body)
- Valve Body Assembly (Main Case)
- Valve Body Assembly (Adapter Case)
- Powertrain Control Module (PCM) (V6)
- Powertrain Control Module (PCM) (HEC)
- Speed Sensor (Extension Assembly)
- Transmission Oil Temperature Sensor (Main Case) (V6)
- Transmission Oil Temperature Sensor (Adapter Case) (HEC)
- Front Oil Seal (Converter Housing)
- Rear Oil Seal (Extension Assembly)
- Transmission (4L30-E)
- Converter Housing and Oil Pump Assembly
- Oil Pump
- Main Case Valve Body
- Adapter Case Valve Body
- Third Clutch and Sprag Unit
- Third Clutch
- Sprag Unit
- Second Clutch
- 3-4 Accumulator Piston
- Reverse Clutch Piston and Center Support
- Overrun Clutch and Turbine Shaft
- Main Data and Specifications
- Special Tools
- 4L30-E Parts List