Transmission and Drivetrain: Technical Service Bulletins

• Recalls
  • Recall - Transaxle Ring Gear to Carrier Bolts May Break
• Customer Interest
  • A/T - Slips In Reverse At Low Temperature
  • Converter Clutch - Vehicle Shudder on Lock Up
  • A/T - 41TE/AE 42LE Delayed Gear Engagement
    • Overview
    • Symptom/Condition
    • Diagnosis
    • Item 1 DTC 35 Loss of Prime
    • Item 2 L - R Inner and Outer Seals
    • Item 3 UD Inner Lip Seal
    • Item 4 General Seal Statement
    • Item 5 Measuring # 1 Check Ball Clearance
    • Item 6 PRNDL Switch (Non TRS)
    • Item 7 Output Speed Sensor
  • A/T - Ratcheting Sound When Coming To Stop
  • Clutch Pedal - Clicking/Popping Noise
  • A/T - 41TE Harsh 2-1 Gear Downshift
  • A/T - 41TE Harsh 2nd - 1st Gear Downshift
  • A/T - Poor Shift Quality
    • Overview
    • Diagnosis
    • Repair Procedure No. 1
    • Repair Procedure No. 2
  • A/T - A604 1-2 Gear Upshift Shudder
  • A/T - A604 Intermittent Back-Up Lamps ON In Overdrive
  • A-604 A/T - Transfer Gear Noise/Whine
  • A/T - Harsh Transaxle Shift
    • Overview
    • Repair Procedure
      • Overview
      • Procedure A
      • Procedure B
  • A/T - Shudder/Bumps/Slippage
  • A/T Transfer Gear - Whine or Whistle Type Noise
  • A/T - A604 Transaxle Fluid Burping From Fill Tube
  • Speed Sensor - Intermittent Loss of Cruise Control
  • M/T - Shifter Squeak When Shifting
  • A/T - 31TH, Harsh 2-3 Upshifts/3-2 Gear Kickdown
  • A/T - Harsh 1-2/2-3 Upshifts and 3-2 Kickdown
  • M/T - Vent Oil Leak
  • Manual Transaxle - Locked in Neutral or Reverse
    • Overview
    • Repair Procedure
    • Parts and Labor
  • Power Transfer Unit - Fluid Leakage
• By Symptom
  • Abnormal wear/deterioration
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
    • A/T - A604 OD/Reverse Clutch Failures
    • A/T - Shudder/Bumps/Slippage
    • Recall - Transaxle Ring Gear to Carrier Bolts May Break
  • Chattering
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
    • A/T - Shudder/Bumps/Slippage
    • A/T - Chatter During Engagement or Shifts
    • A/T - Circuit Leaks, Low/Reverse Accumulator Cover
  • Customer Interest
    • A/T - Slips In Reverse At Low Temperature
    • Converter Clutch - Vehicle Shudder on Lock Up
    • A/T - 41TE/AE 42LE Delayed Gear Engagement
      • Overview
      • Symptom/Condition
      • Diagnosis
      • Item 1 DTC 35 Loss of Prime
      • Item 2 L - R Inner and Outer Seals
      • Item 3 UD Inner Lip Seal
      • Item 4 General Seal Statement
      • Item 5 Measuring # 1 Check Ball Clearance
      • Item 6 PRNDL Switch (Non TRS)
      • Item 7 Output Speed Sensor
    • A/T - Ratcheting Sound When Coming To Stop
    • Clutch Pedal - Clicking/Popping Noise
    • A/T - 41TE Harsh 2-1 Gear Downshift
    • A/T - 41TE Harsh 2nd - 1st Gear Downshift
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
    • A/T - A604 1-2 Gear Upshift Shudder
    • A/T - A604 Intermittent Back-Up Lamps ON In Overdrive
    • A-604 A/T - Transfer Gear Noise/Whine
    • A/T - Harsh Transaxle Shift
      • Overview
      • Repair Procedure
        • Overview
        • Procedure A
        • Procedure B
    • A/T - Shudder/Bumps/Slippage
    • A/T Transfer Gear - Whine or Whistle Type Noise
    • A/T - A604 Transaxle Fluid Burping From Fill Tube
    • Speed Sensor - Intermittent Loss of Cruise Control
    • M/T - Shifter Squeak When Shifting
    • A/T - 31TH, Harsh 2-3 Upshifts/3-2 Gear Kickdown
    • A/T - Harsh 1-2/2-3 Upshifts and 3-2 Kickdown
    • M/T - Vent Oil Leak
    • Manual Transaxle - Locked in Neutral or Reverse
      • Overview
      • Repair Procedure
      • Parts and Labor
    • Power Transfer Unit - Fluid Leakage
  • Erratic Operation
    • A/T - A604 Intermittent Back-Up Lamps ON In Overdrive
    • Speed Sensor - Intermittent Loss of Cruise Control
  • Erratic Shifting
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
    • A/T - Shudder/Bumps/Slippage
    • A/T - Improper 4-3 and 3-4 Shifts
    • A/T - 31TH, Harsh 2-3 Upshifts/3-2 Gear Kickdown
  • Hard Shifting
    • A/T - 41TE Harsh 2-1 Gear Downshift
    • A/T - 41TE Harsh 2nd - 1st Gear Downshift
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
    • A/T - Harsh Transaxle Shift
      • Overview
      • Repair Procedure
        • Overview
        • Procedure A
        • Procedure B
    • A/T - 31TH, Harsh 2-3 Upshifts/3-2 Gear Kickdown
    • A/T - Harsh 1-2/2-3 Upshifts and 3-2 Kickdown
  • Inoperative
    • A/T - 41TE (A604) Neutral Safety Switch/No Start
  • Leaks
    • A/T - A604 Transaxle Fluid Burping From Fill Tube
    • Power Transfer Unit - Fluid Leakage
  • No shift/Incorrect gear engagement
    • A/T - 41TE/AE 42LE Delayed Gear Engagement
      • Overview
      • Symptom/Condition
      • Diagnosis
      • Item 1 DTC 35 Loss of Prime
      • Item 2 L - R Inner and Outer Seals
      • Item 3 UD Inner Lip Seal
      • Item 4 General Seal Statement
      • Item 5 Measuring # 1 Check Ball Clearance
      • Item 6 PRNDL Switch (Non TRS)
      • Item 7 Output Speed Sensor
    • A/T - Improper 4-3 and 3-4 Shifts
    • A/T - Slipping or No-Shift/Metal Sealing Rings
  • Noise
    • Clutch Pedal - Clicking/Popping Noise
    • A-604 A/T - Transfer Gear Noise/Whine
    • M/T - Shifter Squeak When Shifting
  • Overheating
    • A/T - A604 Transaxle Fluid Burping From Fill Tube
  • Recalls
    • Recall - Transaxle Ring Gear to Carrier Bolts May Break
  • Slipping
    • A/T - Slips In Reverse At Low Temperature
    • A/T - A604 OD/Reverse Clutch Failures
    • A/T - A604 Intermittent Back-Up Lamps ON In Overdrive
    • A/T - Circuit Leaks, Low/Reverse Accumulator Cover
  • Sticking/Binding
    • A/T - 41TE/42LE Bind-Up In Reverse
    • Manual Transaxle - Locked in Neutral or Reverse
      • Overview
      • Repair Procedure
      • Parts and Labor
  • Vibration
    • A/T - 41TE/42LE Shudder During EMCC Shift
      • Overview
      • Repair Procedure
    • Converter Clutch - Vehicle Shudder on Lock Up
    • A/T - A604 1-2 Gear Upshift Shudder
  • Warping
    • A/T - A604 1-2 Gear Upshift Shudder
• All Technical Service Bulletins
  • Torque Shaft - Bearing Replacement/Repair Procedures
  • A/T - 41TE/42LE Shudder During EMCC Shift
    • Overview
    • Repair Procedure
  • A/T - Slips In Reverse At Low Temperature
  • Converter Clutch - Vehicle Shudder on Lock Up
  • A/T - 41TE/AE 42LE Delayed Gear Engagement
    • Overview
    • Symptom/Condition
    • Diagnosis
    • Item 1 DTC 35 Loss of Prime
    • Item 2 L - R Inner and Outer Seals
    • Item 3 UD Inner Lip Seal
    • Item 4 General Seal Statement
    • Item 5 Measuring # 1 Check Ball Clearance
    • Item 6 PRNDL Switch (Non TRS)
    • Item 7 Output Speed Sensor
  • A/T - Ratcheting Sound When Coming To Stop
  • Clutch Pedal - Clicking/Popping Noise
  • A/T - 41TE Harsh 2-1 Gear Downshift
  • A/T - 41TE Harsh 2nd - 1st Gear Downshift
  • A/T - Poor Shift Quality
    • Overview
    • Diagnosis
    • Repair Procedure No. 1
    • Repair Procedure No. 2
  • A/T - A604 1-2 Gear Upshift Shudder
  • A/T - New Reaction Plate
  • A/T - Clutch Volume Index QuIck Learn
  • A/T - A604 OD/Reverse Clutch Failures
  • Automatic Transmission - Gear Selection Revised
  • A-604 A/T - Diagnostic Procedure
  • A/T - A604 Intermittent Back-Up Lamps ON In Overdrive
  • A-604 A/T - Transfer Gear Noise/Whine
  • A/T - Harsh Transaxle Shift
    • Overview
    • Repair Procedure
      • Overview
      • Procedure A
      • Procedure B
  • A/T - Harsh Transaxle Shifts
    • Overview
    • Parts & Labor Information
    • Repair Procedure
      • Overview
      • Procedure A - "Garage Shifts"
      • Procedure B - Driving Shift Problems
  • A/T - Shudder/Bumps/Slippage
  • A/T - (41TE/42LE) Service Information
  • A/T Transfer Gear - Whine or Whistle Type Noise
  • A/T - Engine Vacuum Testing
  • A/T - How To Use A Pressure Gauge
  • A/T - Intermittent Electrical Problems
  • A/T - A604 Diagnostic Trouble Codes
  • A/T - A604 Accumulator Installation Problems
  • A/T - A604 Snap Ring Breakage
  • A/T - Failsafe Modes
  • A/T - Chatter During Engagement or Shifts
  • A/T - Intermittent Limp-In/Fault Codes
  • A/T - Electrical Harness Repair Parts
  • A/T - Circuit Leaks, Low/Reverse Accumulator Cover
  • A/T - Engine Speed Sensing Problems
  • A/T - Snap Ring Locations
  • A/T - Neutral-Safety And PRNODL Switch Check
  • A/T - Overdrive Reverse Piston Interchanges
  • A/T - Improper 4-3 and 3-4 Shifts
  • A/T - Underdrive Clutch Piston Outer Lip Seal Change
  • A/T - 41TE (A604) Solenoid Body Electrical Check
  • A/T - 41TE/42LE Bind-Up In Reverse
  • A/T - 41TE/42LE DTC 41, 42, 43, or 44/Solenoid Circuit
  • A/T - 41TE (A604) Neutral Safety Switch/No Start
  • A/T - Slipping or No-Shift/Metal Sealing Rings
  • A/T - Front Bushing Wear
  • A/T - Math Formulas Part I
    • Overview
    • Shift Speed and Pressure
    • Speedometer Ratios
  • A/T - Twenty Steps To Successful Repairs
  • A/T - Math Part II
  • A/T - Choosing the Right ATF
  • A/T - A604 Transaxle Fluid Burping From Fill Tube
  • Automatic Transmission Fluid - Recommendation
  • Transmission Range Sensor - Production Change
  • Speed Sensor - Intermittent Loss of Cruise Control
  • M/T - Shifter Squeak When Shifting
  • A/T - 31TH, Harsh 2-3 Upshifts/3-2 Gear Kickdown
  • A/T - Harsh 1-2/2-3 Upshifts and 3-2 Kickdown
  • M/T - Vent Oil Leak
  • Rear Carrier Pinion Nut - Service/Torque Revision
  • Recall - Transaxle Ring Gear to Carrier Bolts May Break
  • Manual Transaxle - Locked in Neutral or Reverse
    • Overview
    • Repair Procedure
    • Parts and Labor
  • Power Transfer Unit - Viscous Coupling Failure
  • A/T Pan Gasket - Reusable Design/Installation
    • Overview
    • Installation Procedure
  • Power Transfer Unit - Fluid Leakage
  • Steering/Suspension - Wheel Hub/Bearing Inspection COLL.