Transmission and Drivetrain: Technical Service Bulletins

• Customer Interest
  • A/T - Slips In Reverse At Low Temperature
  • A/T - Shudders During Upshift With No DTC's Present
  • 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
  • Speedometer - Inoperative
  • A/T - Ratcheting Sound When Coming To Stop
  • A/T - Harsh Shift At Low Speed/Speedo. Fluctuates
  • A/T - Poor Shift Quality
    • Overview
    • Diagnosis
    • Repair Procedure No. 1
    • Repair Procedure No. 2
  • A/T - Shudder/Bumps/Slippage
  • Speed Sensor - Intermittent Loss of Cruise Control
  • Accumulator - Intermittent DTC's 36, 52, or 54 Set
  • A/T - 41TE Clicking Noise From Left Front
• By Symptom
  • Abnormal wear/deterioration
    • 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
    • A/T - Shudders During Upshift With No DTC's Present
    • 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
    • Speedometer - Inoperative
    • A/T - Ratcheting Sound When Coming To Stop
    • A/T - Harsh Shift At Low Speed/Speedo. Fluctuates
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
    • A/T - Shudder/Bumps/Slippage
    • Speed Sensor - Intermittent Loss of Cruise Control
    • Accumulator - Intermittent DTC's 36, 52, or 54 Set
    • A/T - 41TE Clicking Noise From Left Front
  • Erratic Operation
    • A/T - Harsh Shift At Low Speed/Speedo. Fluctuates
    • Speed Sensor - Intermittent Loss of Cruise Control
  • Erratic Shifting
    • A/T - Harsh Shift At Low Speed/Speedo. Fluctuates
    • 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
  • Incorrect gear selection
    • Accumulator - Intermittent DTC's 36, 52, or 54 Set
  • Inoperative
    • Speedometer - Inoperative
    • A/T - 41TE (A604) Neutral Safety Switch/No Start
  • 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
    • Accumulator - Intermittent DTC's 36, 52, or 54 Set
  • Noise
    • A/T - 41TE Clicking Noise From Left Front
  • Slipping
    • A/T - Slips In Reverse At Low Temperature
  • Sticking/Binding
    • A/T - 41TE/42LE Bind-Up In Reverse
  • Vibration
    • A/T - 41TE/42LE Shudder During EMCC Shift
      • Overview
      • Repair Procedure
    • A/T - Shudders During Upshift With No DTC's Present
    • Converter Clutch - Vehicle Shudder on Lock Up
• All Technical Service Bulletins
  • A/T - 41TE/42LE Shudder During EMCC Shift
    • Overview
    • Repair Procedure
  • A/T - Slips In Reverse At Low Temperature
  • A/T - Shudders During Upshift With No DTC's Present
  • 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
  • Speedometer - Inoperative
  • A/T - Ratcheting Sound When Coming To Stop
  • A/T - Harsh Shift At Low Speed/Speedo. Fluctuates
  • A/T - Poor Shift Quality
    • Overview
    • Diagnosis
    • Repair Procedure No. 1
    • Repair Procedure No. 2
  • A/T - Shudder/Bumps/Slippage
  • A/T - (41TE/42LE) Service Information
  • A/T - 41TE/42LE Cruise Control Interaction
  • A/T - 41TE/42LE Interactive Cruise Control
  • A/T - Engine Vacuum Testing
  • A/T - How To Use A Pressure Gauge
  • A/T - Electrical Harness Repair Parts
  • A/T - Neutral-Safety And PRNODL Switch Check
  • A/T - Overdrive Reverse Piston Interchanges
  • 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 Lock-Up Control System Changes
  • A/T - 41TE/42LE DTC 41, 42, 43, or 44/Solenoid Circuit
  • A/T - 41TE/42LE 2/4 Accumulator Piston Replacement
  • 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
  • Transmission Range Sensor - Production Change
  • Speed Sensor - Intermittent Loss of Cruise Control
  • A/T - Diagnostic Guide Revisions
  • Accumulator - Intermittent DTC's 36, 52, or 54 Set
  • A/T - 41TE Clicking Noise From Left Front
  • A/T Pan Gasket - Reusable Design/Installation
    • Overview
    • Installation Procedure
  • Steering/Suspension - Wheel Hub/Bearing Inspection COLL.