Transmission and Drivetrain: Technical Service Bulletins

• Recalls
  • Recall - Transfer Case Oil Leak
    • Overview
    • Parts
      • A. Driveshaft Yoke Packages
      • B. Oil Level Gauge
      • C. Transfer Case Assembly
      • D. Transfer Case Oil Seals/Gaskets
    • Service Procedure
      • A. Inspect Transfer Case
      • B. Driveshaft Yoke, Input/Output Shaft Oil Seal & T.C. Repl.
    • Dealer Service Instructions
    • Owner Letter
  • Recall 98V069002: Transfer Case Lockup
• Customer Interest
  • Brakes - Pulsation/Shudder
    • Overview
    • Repair Procedure
      • Overview
      • Stop Lamp Switch Adjustment
      • Brake Drag Torque Measurement (Front or Rear)
      • Booster Pushrod Measurement
      • Measuring Hub End Play (Front or Rear)
      • Measuring Rotor Thickness Variation (Front or Rear)
      • Measuring Rotor Surface Runout (Front or Rear)
      • Measuring Rotor Thickness (Front or Rear)
  • 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
  • A/T - Shudder on 1 - 2/2 - 3 Upshift
    • Overview
    • Discussion
    • Diagnosis
    • Equipment/Parts Required
    • Repair Procedure
  • A/T - MIL ON/DTC's Set
    • Overview
    • Repair Procedure
  • Ignition Key - Difficult to Remove From Cylinder
  • Speed Sensor - Intermittent Loss of Cruise Control
  • Accumulator - Intermittent DTC's 36, 52, or 54 Set
• By Symptom
  • Customer Interest
    • Brakes - Pulsation/Shudder
      • Overview
      • Repair Procedure
        • Overview
        • Stop Lamp Switch Adjustment
        • Brake Drag Torque Measurement (Front or Rear)
        • Booster Pushrod Measurement
        • Measuring Hub End Play (Front or Rear)
        • Measuring Rotor Thickness Variation (Front or Rear)
        • Measuring Rotor Surface Runout (Front or Rear)
        • Measuring Rotor Thickness (Front or Rear)
    • 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
    • A/T - Shudder on 1 - 2/2 - 3 Upshift
      • Overview
      • Discussion
      • Diagnosis
      • Equipment/Parts Required
      • Repair Procedure
    • A/T - MIL ON/DTC's Set
      • Overview
      • Repair Procedure
    • Ignition Key - Difficult to Remove From Cylinder
    • Speed Sensor - Intermittent Loss of Cruise Control
    • Accumulator - Intermittent DTC's 36, 52, or 54 Set
  • Driveability
    • A/T - Shudder on 1 - 2/2 - 3 Upshift
      • Overview
      • Discussion
      • Diagnosis
      • Equipment/Parts Required
      • Repair Procedure
  • Erratic Operation
    • Speed Sensor - Intermittent Loss of Cruise Control
  • Incorrect gear selection
    • Accumulator - Intermittent DTC's 36, 52, or 54 Set
  • Inoperative
    • Recall 98V069002: Transfer Case Lockup
  • 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
  • Recalls
    • Recall - Transfer Case Oil Leak
      • Overview
      • Parts
        • A. Driveshaft Yoke Packages
        • B. Oil Level Gauge
        • C. Transfer Case Assembly
        • D. Transfer Case Oil Seals/Gaskets
      • Service Procedure
        • A. Inspect Transfer Case
        • B. Driveshaft Yoke, Input/Output Shaft Oil Seal & T.C. Repl.
      • Dealer Service Instructions
      • Owner Letter
    • Recall 98V069002: Transfer Case Lockup
  • Sticking/Binding
    • Ignition Key - Difficult to Remove From Cylinder
  • Vibration
    • A/T - 41TE/42LE Shudder During EMCC Shift
      • Overview
      • Repair Procedure
    • Converter Clutch - Vehicle Shudder on Lock Up
  • Vibration/Pulsating brakes
    • Brakes - Pulsation/Shudder
      • Overview
      • Repair Procedure
        • Overview
        • Stop Lamp Switch Adjustment
        • Brake Drag Torque Measurement (Front or Rear)
        • Booster Pushrod Measurement
        • Measuring Hub End Play (Front or Rear)
        • Measuring Rotor Thickness Variation (Front or Rear)
        • Measuring Rotor Surface Runout (Front or Rear)
        • Measuring Rotor Thickness (Front or Rear)
• All Technical Service Bulletins
  • Brakes - Pulsation/Shudder
    • Overview
    • Repair Procedure
      • Overview
      • Stop Lamp Switch Adjustment
      • Brake Drag Torque Measurement (Front or Rear)
      • Booster Pushrod Measurement
      • Measuring Hub End Play (Front or Rear)
      • Measuring Rotor Thickness Variation (Front or Rear)
      • Measuring Rotor Surface Runout (Front or Rear)
      • Measuring Rotor Thickness (Front or Rear)
  • Recall - Transfer Case Oil Leak
    • Overview
    • Parts
      • A. Driveshaft Yoke Packages
      • B. Oil Level Gauge
      • C. Transfer Case Assembly
      • D. Transfer Case Oil Seals/Gaskets
    • Service Procedure
      • A. Inspect Transfer Case
      • B. Driveshaft Yoke, Input/Output Shaft Oil Seal & T.C. Repl.
    • Dealer Service Instructions
    • Owner Letter
  • Recall 98V069002: Transfer Case Lockup
  • A/T - 41TE/42LE Shudder During EMCC Shift
    • Overview
    • Repair Procedure
  • 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
  • A/T - Shudder on 1 - 2/2 - 3 Upshift
    • Overview
    • Discussion
    • Diagnosis
    • Equipment/Parts Required
    • Repair Procedure
  • A/T - MIL ON/DTC's Set
    • Overview
    • Repair Procedure
  • A/T - Intermittent 2nd Gear and Reverse Only After Start
  • A/T - (41TE/42LE) Service Information
  • A/T - 41TE/42LE Interactive Cruise Control
  • A/T - Engine Vacuum Testing
  • A/T - How To Use A Pressure Gauge
  • 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 - ATF+4 Fluid Usage/Applications
  • Transmission Range Sensor - Production Change
  • Ignition Key - Difficult to Remove From Cylinder
  • Speed Sensor - Intermittent Loss of Cruise Control
  • Accumulator - Intermittent DTC's 36, 52, or 54 Set
  • A/T Pan Gasket - Reusable Design/Installation
    • Overview
    • Installation Procedure
  • A/T - ATF + 4 Fluid Usage
  • A/T - Repair/Replacement Guidelines
    • Overview
    • Repair Procedure
      • Information
      • 40TE, 41TE/AE, 42LE/RLE and 62TE Transmissions
      • 30RH, 30TH, 31TH, 32RH, 36RH, 42RE/RH, 46RE/RH, 47RE and 48RE
      • 45RFE/545RFE and 68RFE Transmissions
      • NAG1 Transmissions
  • Steering/Suspension - Wheel Hub/Bearing Inspection COLL.