Transmission and Drivetrain: Technical Service Bulletins

• Recalls
  • Emissions
    • Recall - Shift Indicator Light
  • Generals
    • Campaign - A/T Oil Cooler Bypass Valve
      • Original TSB
        • Overview
        • Vehicle, Parts, and Owner Info.
        • Service Procedure
        • Completion Information
        • Customer Letter
      • Supplement # 1
        • Overview
        • Service Procedure
        • Owner Letter
      • Supplement # 2
        • Overview
        • Vehicle List
        • Parts
        • Owner Notification and Service Scheduling
        • Service Procedure
        • Completion Reporting and Reimbursement
        • Owner Letter
        • Dealer Instructions
• Customer Interest
  • A/T - Slips In Reverse At Low Temperature
  • Converter Lock Up Solenoid - Bucking/Surging
  • 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
  • A/T - Poor Shift Quality
    • Overview
    • Diagnosis
    • Repair Procedure No. 1
    • Repair Procedure No. 2
  • A/T - A604 Excessive Upshifting/Downshifting
  • A/T - A604 1-2 Gear Upshift Shudder
  • A/T - Shudder/Bumps/Slippage
  • Speed Sensor - Intermittent Loss of Cruise Control
  • A/T Dipstick - Does Not Seat Fully
• By Symptom
  • Abnormal wear/deterioration
    • Campaign - A/T Oil Cooler Bypass Valve
      • Original TSB
        • Overview
        • Vehicle, Parts, and Owner Info.
        • Service Procedure
        • Completion Information
        • Customer Letter
      • Supplement # 1
        • Overview
        • Service Procedure
        • Owner Letter
      • Supplement # 2
        • Overview
        • Vehicle List
        • Parts
        • Owner Notification and Service Scheduling
        • Service Procedure
        • Completion Reporting and Reimbursement
        • Owner Letter
        • Dealer Instructions
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
    • A/T - Shudder/Bumps/Slippage
  • Chattering
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
    • A/T - Shudder/Bumps/Slippage
  • Customer Interest
    • A/T - Slips In Reverse At Low Temperature
    • Converter Lock Up Solenoid - Bucking/Surging
    • 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
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
    • A/T - A604 Excessive Upshifting/Downshifting
    • A/T - A604 1-2 Gear Upshift Shudder
    • A/T - Shudder/Bumps/Slippage
    • Speed Sensor - Intermittent Loss of Cruise Control
    • A/T Dipstick - Does Not Seat Fully
  • Erratic Operation
    • Speed Sensor - Intermittent Loss of Cruise Control
  • Erratic Shifting
    • Converter Lock Up Solenoid - Bucking/Surging
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
    • A/T - Shudder/Bumps/Slippage
  • Hard Shifting
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
  • Hunting-Surging
    • A/T - A604 Excessive Upshifting/Downshifting
  • Incorrect gear selection
    • A/T - A604 Excessive Upshifting/Downshifting
  • 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 - Slipping or No-Shift/Metal Sealing Rings
  • Recalls
    • Campaign - A/T Oil Cooler Bypass Valve
      • Original TSB
        • Overview
        • Vehicle, Parts, and Owner Info.
        • Service Procedure
        • Completion Information
        • Customer Letter
      • Supplement # 1
        • Overview
        • Service Procedure
        • Owner Letter
      • Supplement # 2
        • Overview
        • Vehicle List
        • Parts
        • Owner Notification and Service Scheduling
        • Service Procedure
        • Completion Reporting and Reimbursement
        • Owner Letter
        • Dealer Instructions
    • Recall - Shift Indicator Light
  • Slipping
    • A/T - Slips In Reverse At Low Temperature
    • A/T - A604 Momentary Decleration/Clutch Slippage
      • Overview
      • Diagnosis
      • Test 49CODE 46 Test Procedure-
      • Test 50TESTING the A-604 Clutch Volumes
  • Sticking/Binding
    • A/T Dipstick - Does Not Seat Fully
  • Vibration
    • A/T - A604 1-2 Gear Upshift Shudder
  • Warping
    • A/T - A604 1-2 Gear Upshift Shudder
• All Technical Service Bulletins
  • A/T - Slips In Reverse At Low Temperature
  • Converter Lock Up Solenoid - Bucking/Surging
  • 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-604 A/T Oil Cooler - Flushing and Flow Testing
    • Overview
    • Discussion
    • Tools and Material Required to Flush System
    • Parts Required
    • Flushing Procedure
    • Flushing Procedure For Trailer Tow Package
    • Flow Testing Procedure
    • Warranty and Labor Info.
  • Campaign - A/T Oil Cooler Bypass Valve
    • Original TSB
      • Overview
      • Vehicle, Parts, and Owner Info.
      • Service Procedure
      • Completion Information
      • Customer Letter
    • Supplement # 1
      • Overview
      • Service Procedure
      • Owner Letter
    • Supplement # 2
      • Overview
      • Vehicle List
      • Parts
      • Owner Notification and Service Scheduling
      • Service Procedure
      • Completion Reporting and Reimbursement
      • Owner Letter
      • Dealer Instructions
  • A/T - Ratcheting Sound When Coming To Stop
  • Clutch Splines and Pilot Bushing - Lubrication
  • A/T - Poor Shift Quality
    • Overview
    • Diagnosis
    • Repair Procedure No. 1
    • Repair Procedure No. 2
  • A/T Reaction Shaft Support - Revision
    • Overview
    • Description
    • Step A
    • Step B
    • Step C
    • Step D
    • Other Recommendations
    • Front Wheel Drive Labor Operation Time Schedule
  • A/T - A604 Excessive Upshifting/Downshifting
  • A/T - A604 1-2 Gear Upshift Shudder
  • A/T - A604 Momentary Decleration/Clutch Slippage
    • Overview
    • Diagnosis
    • Test 49CODE 46 Test Procedure-
    • Test 50TESTING the A-604 Clutch Volumes
  • A/T - Clutch Volume Index QuIck Learn
  • Automatic Transmission - Gear Selection Revised
  • A-604 A/T - Diagnostic Procedure
  • A-604 A/T - Pressure Testing Procedures
  • A/T - Shudder/Bumps/Slippage
  • A/T - Engine Vacuum Testing
  • A/T - How To Use A Pressure Gauge
  • A/T - Intermittent Electrical Problems
  • A/T - Failsafe Modes
  • 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
  • Transmission Range Sensor - Production Change
  • Speed Sensor - Intermittent Loss of Cruise Control
  • A/T Wiring Diagram - Manual Revisions
  • A604 EATX - Wiring Repair Package
  • Recall - Shift Indicator Light
  • A/T Dipstick - Does Not Seat Fully
  • A/T Pan Gasket - Reusable Design/Installation
    • Overview
    • Installation Procedure
  • Steering/Suspension - Wheel Hub/Bearing Inspection COLL.