Transmission and Drivetrain: Technical Service Bulletins

• Recalls
  • Campaign - Fluid Containment
    • Preliminary Information
    • Campaign Procedures, Parts & Warranty Information
    • Owners Manual Supplement
    • Owner Notification Letter
• Customer Interest
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • A/T - No Movement in Drive or 3rd Gear
• By Symptom
  • Abnormal wear/deterioration
    • A/T - Front Bushing Wear
  • Customer Interest
    • 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
    • A/T - THM 400 Too Sensitive 3-2 Downshift
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Hard Shifting
    • A/T - Harsh Reverse Engagements
  • Inoperative
    • A/T - THM 400 No Reverse
    • A/T - No Movement in Drive or 3rd Gear
  • Loose
    • A/T - THM 400 Rear Band Adjustment Too Loose
  • No shift/Incorrect gear engagement
    • A/T - Slipping or No-Shift/Metal Sealing Rings
    • A/T - No Upshift/Governor Contamination
    • A/T - THM 400 No Reverse
  • Recalls
    • Campaign - Fluid Containment
      • Preliminary Information
      • Campaign Procedures, Parts & Warranty Information
      • Owners Manual Supplement
      • Owner Notification Letter
• 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 - Intermittent Downshift/Slip/Cycling Diagnosis
  • Differential Pinion Shaft Lock Screw - Service
  • Differential Pinion Shaft Locking Screw - Revised
  • A/T - Cooler Replacement/Flushing
  • A/T - External Oil Cooler Kits
  • Slip Yoke/U-Joint - Replacement and Servicing
  • A/T - New Solenoid Testing Kit
  • A/T - Core Return Product Feedback Form
  • A/T - 700-R4 & 400 Improved Governor Driven Gear
  • A/T - 3L80/THM 400 Center Support Bolt
  • A/T - Torque Converter Identification
    • Overview
    • 298 mm Identification
    • 245 mm Identification
  • A/T - Harsh Reverse Engagements
  • A/T - Engine Vacuum Testing
  • A/T - How To Use A Pressure Gauge
  • A/T - THM 400 Rear Band Adjustment Too Loose
  • A/T - Rapid Converter Pump Bushing Wear
  • A/T - Methods to Check for Restricted Exhaust
  • A/T - Slipping or No-Shift/Metal Sealing Rings
  • A/T - Front Bushing Wear
  • A/T - THM 400 Too Sensitive 3-2 Downshift
  • A/T - No Upshift/Governor Contamination
  • A/T - THM 400 No Reverse
  • A/T - Checking Pressure Switches For Leaks
  • 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
  • Campaign - Fluid Containment
    • Preliminary Information
    • Campaign Procedures, Parts & Warranty Information
    • Owners Manual Supplement
    • Owner Notification Letter
  • A/T - DEXRON III Fluid Introduction
  • Drivetrain - Recommended Axle Lubricant
  • M/T - Hydraulic Clutch Bleeding Procedure Improvement
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • A/T - No Movement in Drive or 3rd Gear
  • A/T - Water Or Coolant Contamination Information
  • A/T - DEXRON(R)-VI Fluid Information