Transmission and Drivetrain: Technical Service Bulletins

• Customer Interest
  • Rear Propeller Shaft - Vibration
  • Rear Limited Slip Differential - Chatter/Vibration
  • MIL ON Erroneous DTCs 33/43 Trans in Backup Mode
  • A/T - 4L30E Rattle From Gear Selector Area
  • A/T - (4L30E) DTC 41 Set in TCM
  • A/T - 4L30E Accumulator Piston Cover Fluid Leak
  • Transfer Case - Cyclic Noise
  • A/T - (4L30E) Delayed Gear Engagement
  • A/T - Clunking Noise on 3-2 Downshift
• By Symptom
  • Customer Interest
    • Rear Propeller Shaft - Vibration
    • Rear Limited Slip Differential - Chatter/Vibration
    • MIL ON Erroneous DTCs 33/43 Trans in Backup Mode
    • A/T - 4L30E Rattle From Gear Selector Area
    • A/T - (4L30E) DTC 41 Set in TCM
    • A/T - 4L30E Accumulator Piston Cover Fluid Leak
    • Transfer Case - Cyclic Noise
    • A/T - (4L30E) Delayed Gear Engagement
    • A/T - Clunking Noise on 3-2 Downshift
  • Incorrect gear selection
    • A/T - 4L30E Third Gear Starts
  • Leaks
    • A/T - 4L30E Accumulator Piston Cover Fluid Leak
  • No shift/Incorrect gear engagement
    • A/T - 4L30E Third Gear Starts
    • A/T - Slipping or No-Shift/Metal Sealing Rings
  • Noise
    • Drivetrain - Driveline 'Clunk' Explanation
    • Body/Interior - Noise Diagnosis and Repair
      • Overview
      • Service Procedure
      • Table 1
      • Repair Chart A
      • Repair Chart B
      • Repair Chart C
      • Repair Chart D
      • Repair Chart E
      • Repair Chart F
      • Repair Chart G
      • Repair Chart H
      • Repair Chart I
      • Repair Chart J
      • Repair Chart K
      • Repair Chart L
      • Repair Chart M
    • Rear Limited Slip Differential - Chatter/Vibration
    • A/T - 4L30E Rattle From Gear Selector Area
    • Transfer Case - Cyclic Noise
    • A/T - Clunking Noise on 3-2 Downshift
  • Slipping
    • A/T - Slipping or No-Shift/Metal Sealing Rings
  • Vibration
    • Rear Propeller Shaft - Vibration
    • Rear Limited Slip Differential - Chatter/Vibration
• All Technical Service Bulletins
  • Electrical - Inspect Connectors for Various Malfunctions
  • Drivetrain - Driveline 'Clunk' Explanation
  • Body/Interior - Noise Diagnosis and Repair
    • Overview
    • Service Procedure
    • Table 1
    • Repair Chart A
    • Repair Chart B
    • Repair Chart C
    • Repair Chart D
    • Repair Chart E
    • Repair Chart F
    • Repair Chart G
    • Repair Chart H
    • Repair Chart I
    • Repair Chart J
    • Repair Chart K
    • Repair Chart L
    • Repair Chart M
  • Rear Propeller Shaft - Vibration
  • Rear Limited Slip Differential - Chatter/Vibration
  • Transfer Case - Shop Manual Corrections
  • A/T - (4L30E) Control Module Identification
  • MIL ON Erroneous DTCs 33/43 Trans in Backup Mode
  • A/T - Check Trans Lamp ON/Flash Code 37
  • Locking Hub - Special Tool
  • A/T - 4L30E Rattle From Gear Selector Area
  • A/T - Replacement Questionaire
  • A/T - Engine Vacuum Testing
  • A/T - How To Use A Pressure Gauge
  • A/T - Intermittent Electrical Problems
  • A/T - 4L30E Planet Gear Indexing
  • A/T - Failsafe Modes
  • A/T - 4L30E Third Gear Starts
  • 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
  • M/T - Repair Procedure Corrections
  • Flywheel Bolts - Manual Update
  • Dexron-IIE Fluid - Recommended Usage
  • A/T - (4L30E) DTC 41 Set in TCM
  • Shift Lock Cable - Adjustment, Manual Revision
  • A/T - 4L30E Accumulator Piston Cover Fluid Leak
  • Transfer Case - Cyclic Noise
  • A/T - (4L30E) Delayed Gear Engagement
  • A/T - Clunking Noise on 3-2 Downshift