Transmission and Drivetrain: Technical Service Bulletins

• Customer Interest
  • A/T - No Transmission Downshift/80-85% Throttle
  • Driveline - Vibration/Gear Rattle With TCC Applied
  • Clutch Pedal - Pop or Scrape Noise When Depressed
  • Drivetrain - Front CV Boot Torn or Cracked
  • PROM - Early TCC Engagement
  • PROM - Lack of Power/Transmission Hot Mode
  • Locking Rear Axle - Chatters onTurns
  • A/T - Shudder/Vibration Upon TCC Disengagement
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • A/T - No Movement in Drive or 3rd Gear
• By Symptom
  • Abnormal wear/deterioration
    • Drivetrain - Front CV Boot Torn or Cracked
    • A/T - 4L80E High Line Pressure/Broken Drum Cracked Case
    • A/T - Front Bushing Wear
  • Chattering
    • A/T - Shudder/Vibration Upon TCC Disengagement
  • Customer Interest
    • A/T - No Transmission Downshift/80-85% Throttle
    • Driveline - Vibration/Gear Rattle With TCC Applied
    • Clutch Pedal - Pop or Scrape Noise When Depressed
    • Drivetrain - Front CV Boot Torn or Cracked
    • PROM - Early TCC Engagement
    • PROM - Lack of Power/Transmission Hot Mode
    • Locking Rear Axle - Chatters onTurns
    • A/T - Shudder/Vibration Upon TCC Disengagement
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • A/T - No Movement in Drive or 3rd Gear
  • Driveability
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Hard Shifting
    • Engine Controls - Service Engine Soon Light, DTC 22-TPS
  • Inoperative
    • A/T - 4L80E High Line Pressure/Broken Drum Cracked Case
    • A/T - No Movement in Drive or 3rd Gear
  • No shift/Incorrect gear engagement
    • PROM - Lack of Power/Transmission Hot Mode
    • A/T - No Shift/Scanner Reports Shifting
    • A/T - 4L80E Neutral Feel On 3-4 Upshift
    • A/T - Slipping or No-Shift/Metal Sealing Rings
  • Noise
    • Driveline - Vibration/Gear Rattle With TCC Applied
    • Clutch Pedal - Pop or Scrape Noise When Depressed
    • Locking Rear Axle - Chatters onTurns
    • A/T - Click/Whine In Third/Fourth Gear
  • Poor performance
    • PROM - Lack of Power/Transmission Hot Mode
  • Slipping
    • A/T - 4L80E Neutral Feel On 3-4 Upshift
    • A/T - Intermittent Downshift, Slip or Busy/Cycling TCC
  • Sticking/Binding
    • A/T - 4L80E Binds In Manual Low1
  • Vibration
    • Driveline - Vibration/Gear Rattle With TCC Applied
    • Locking Rear Axle - Chatters onTurns
    • A/T - Shudder/Vibration Upon TCC Disengagement
• All Technical Service Bulletins
  • Drivetrain - Information on Driveline Clunk Noise
  • Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
  • Vehicle - Engine And Sub-Systems Flushing Recommendations
  • M/T - Operating Characteristics Information
  • A/T - Fluid Oil Cooler Flow Test
  • A/T - 2-3 Upshift or 3-2 Downshift Clunk Noise
  • A/T - Slight Vehicle Movement In Park At Start Up
  • ACDelco(R) Remanufactured Transmissions - Program Update
    • Overview
    • Warranty Coverage
    • New Warranty Registration
    • Warranty Claim Submission Procedures
  • A/T - No Transmission Downshift/80-85% Throttle
  • Engine Controls - Service Engine Soon Light, DTC 22-TPS
  • Drivetrain - Rear Axle Identification/Parts Application
  • Driveline - Vibration/Gear Rattle With TCC Applied
  • Differential Pinion Shaft Lock Screw - Service
  • Differential Pinion Shaft Locking Screw - Revised
  • Differential - Governor Removal Tool Revision
  • Transfer Case Encoder - Replacement
  • A/T - New Pump Removal Tool
  • A/T - Cooler Replacement/Flushing
  • A/T - Oil Cooler Flushing Frequently Asked Questions
  • M/T - Clutch Pilot Bushing and Bearings
  • Clutch Pedal - Pop or Scrape Noise When Depressed
  • Slip Yoke/U-Joint - Replacement and Servicing
  • Drivetrain - Front CV Boot Torn or Cracked
  • PROM - Early TCC Engagement
  • PROM - Lack of Power/Transmission Hot Mode
  • Locking Rear Axle - Chatters onTurns
  • A/T - Click/Whine In Third/Fourth Gear
  • A/T - Interchangeability Information/Precaution
  • A/T - New Solenoid Testing Kit
  • A/T - Service Procedure Changes
  • A/T - Core Return Product Feedback Form
  • A/T - Dexron IIE Preferred Fluid for All Hydra-matic
  • A/T - Torque Converter Identification
    • Overview
    • 298 mm Identification
    • 245 mm Identification
  • A/T - Engine Vacuum Testing
  • A/T - How To Use A Pressure Gauge
  • A/T - Intermittent Electrical Problems
  • A/T - 4L80E Multiple/Intermittent Trouble Codes
  • A/T - 4L80E No Upshift
  • A/T - 4L80E Binds In Manual Low1
  • A/T - 4L80E No or Low Line Rise
  • A/T - Failsafe Modes
  • A/T - No Line Pressure/Uncontrollable High Pressure
  • A/T - 4L80E High Line Pressure/Broken Drum Cracked Case
  • A/T - No Shift/Scanner Reports Shifting
  • A/T - 4L80E Neutral Feel On 3-4 Upshift
  • A/T - 4L60-E/4L8O-E PCM Application Information
  • A/T - Rapid Converter Pump Bushing Wear
  • 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 - New ATF Dexron IIe Information
  • A/T - New Fluid Level Indicators & Fluid Check Procedure
  • A/T - DEXRON III Fluid Introduction
  • A/T - Shudder/Vibration Upon TCC Disengagement
  • A/T - Intermittent Downshift, Slip or Busy/Cycling TCC
  • A/T - 1-2 Accumulator Piston/Outer Spring Replacement
  • M/T - Hydraulic Clutch Bleeding Procedure Improvement
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • A/T - Torque Converter Replacement Information
  • A/T - No Movement in Drive or 3rd Gear
  • A/T Control - DTC P0756 Diagnostic Tips
  • A/T - Water Or Coolant Contamination Information
  • A/T - DEXRON(R)-VI Fluid Information