Automatic Transaxle - Service, Diagnosis & Troubleshooting

• Troubleshooting
  • Symptoms - Automatic Transmission
  • Range Selector Displays Incorrect Range (3.4L)
    • Notes
    • Circuit Description
    • Test Description
  • Range Selector Displays Incorrect Range (3.6L)
    • Notes
    • Circuit Description
    • Test Description
  • Transmission Fluid Checking Procedure
  • Line Pressure Check Procedure
  • Road Test Procedure
    • Notes
    • Electrical Function Check
    • Upshift Control and Torque Converter Clutch (TCC) Apply
    • Part Throttle Detent Downshift
    • Full Throttle Detent Downshift
    • Manual Downshifts
    • Coasting Downshifts
    • Manual Gear Range Selection
  • Torque Converter Diagnosis Procedure
    • Notes
    • Torque Converter Stator
    • Poor Acceleration at Low Speed
    • Poor Acceleration at High Speed
    • Noise
    • Torque Converter Clutch Shudder
    • If Shudder Occurs After TCC has Applied
    • Torque Converter Evaluation and Diagnosis
  • Torque Converter Replacement Guide
  • Flexplate/Torque Converter Vibration Test
    • Isolating Vibration
    • Installing Torque Converter
  • Noise and Vibration Analysis
  • Clutch Plate Diagnosis
    • Composition Plates
    • Steel Plates
    • Causes of Burned Clutch Plates
  • Engine Coolant/Water in Transmission
  • Fluid Leak Diagnosis
    • General Method
    • Powder Method
    • Dye and Black Light Method
    • Find the Cause of the Leak
    • Possible Points of Fluid Leaks
  • Case Porosity Repair
  • Shift Solenoid Leak Test
  • Automatic Transmission Oil Cooler Flushing and Flow Test (J35944-A)
    • Notes
    • Preparation
    • Back Flush
    • Forward Flush
    • Flow Test
    • Clean-up
  • Automatic Transmission Oil Cooler Flushing and Flow Test (J45096)
    • Notes
    • Cooler Flow Check and Flushing Steps
    • Machine Set-up
    • Determine Minimum Flow Rate
    • Back Flush Procedure
    • Forward Flush
    • Flow Test
    • Code Recording Procedure
    • Clean-up
  • Automatic Transmission Fluid Leaks
  • Incorrect Line Pressure
  • Delayed Park to Reverse/Drive Engagement
  • Harsh Park to Reverse/Drive Engagement
  • Slips in Drive or No Drive
  • Slips in Reverse or No Reverse
  • Locked Up in Drive/Reverse
  • No Park Range
  • Harsh or Soft 1-2 Shift Feel
  • Harsh or Soft 2-3/3-2 Shift Feel
  • Harsh or Soft 3-4/4-3 Shift Feel
  • High or Low Upshift or Downshift Speed
  • First and Second Gear Only (2-3 Solenoid Stuck On)
  • First and Fourth Gear Only (1-2 Solenoid Stuck On)
  • Second and Third Gear Only (1-2 Solenoid Stuck Off)
  • Third and Fourth Gear Only (2-3 Solenoid Stuck Off)
  • First Gear Only
  • Second Gear Only
  • Third Gear Only
  • Fourth Gear Only
  • Slipping or No First Gear
  • Slipping or No Second Gear
  • Slipping or No Third Gear
  • Slipping or No Fourth Gear
  • No Engine Braking in Manual Second or Low Range
  • Whine Noise Varying with RPM or Fluid Pressure
  • Popping Noise
  • Buzz Noise or High Frequency Rattle Sound
  • Whine/Growl Noise That Changes with Vehicle Speed
  • Final Drive Noise or Hum Noise
  • Noise in First, Second, Third, or Fourth
  • Noise in Random Ranges
  • Abnormal Noise in Park or Neutral Range
  • Converter Clutch Stuck On in All Gears
  • Converter Clutch Stuck On in Second, Third and Fourth Gear
  • Harsh Torque Converter Clutch (TCC) Apply or Release
  • Converter Clutch Apply Rough, Slips, or Shudders
  • No Torque Converter Clutch (TCC) Apply