Transmission and Drivetrain: Technical Service Bulletins

• Recalls
  • Campaign - Special Policy Check List
• Customer Interest
  • A/T - Oil Pan Leak
  • A/T Oil Pan - Leaks
  • A/T - Harsh 3-2 Part Throttle Downshift in High Ambient
  • A/T - 4T60 No Third Gear/No Drive or Reverse Conditions
  • A/T - Third Gear Start From Stop or Initial Engagement
  • Starting - Screeching Noise During Cranking
  • A/T - Whine/Whistle In PARK/NEUTRAL
  • A/T - Intermittent Loss of Drive
  • 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
    • A/T - Oil Pan Leak
    • A/T Oil Pan - Leaks
    • A/T - Harsh 3-2 Part Throttle Downshift in High Ambient
    • A/T - 4T60 No Third Gear/No Drive or Reverse Conditions
    • A/T - Third Gear Start From Stop or Initial Engagement
    • Starting - Screeching Noise During Cranking
    • A/T - Whine/Whistle In PARK/NEUTRAL
    • A/T - Intermittent Loss of Drive
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • A/T - No Movement in Drive or 3rd Gear
  • Difficult gear selection
    • A/T - Modification Possible For Reduced Shifter Effort
  • Driveability
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Erratic Shifting
    • A/T - 4T60 No Third Gear/No Drive or Reverse Conditions
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Hard Shifting
    • A/T - Harsh 3-2 Part Throttle Downshift in High Ambient
    • A/T - Third Gear Start From Stop or Initial Engagement
  • Inoperative
    • A/T - No Movement in Drive or 3rd Gear
  • Leaks
    • A/T - Oil Pan Leak
    • A/T Oil Pan - Leaks
  • No shift/Incorrect gear engagement
    • A/T - 4T60 No Third Gear/No Drive or Reverse Conditions
    • A/T - Third Gear Start From Stop or Initial Engagement
    • A/T - Slipping or No-Shift/Metal Sealing Rings
  • Noise
    • Starting - Screeching Noise During Cranking
    • A/T - Whine/Whistle In PARK/NEUTRAL
    • A/T - Grinding/Growling Noise in Park on Incline
  • Recalls
    • Campaign - Special Policy Check List
  • Slipping
    • A/T - Third Gear Start From Stop or Initial Engagement
    • A/T - Intermittent Loss of Drive
• 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 & M/T - AC Delco Remanufactured Transmissions
    • Overview
    • Warranty Coverage
    • Warranty Claim Submission Procedures
  • Electrical - Wire Probing Device
  • Campaign - Special Policy Check List
  • A/T - New Bottom Pan & Controlled Compression Gasket
  • A/T - Oil Pan Leak
  • A/T Oil Pan - Leaks
  • A/T - Transaxle Oil Filter Differences
  • A/T - Harsh 3-2 Part Throttle Downshift in High Ambient
  • A/T Oil Cooler - Flushing Procedure
  • A/T - 4T60 No Third Gear/No Drive or Reverse Conditions
  • A/T - Third Gear Start From Stop or Initial Engagement
  • A/T - ECM PROM Compatibility
  • Engine Controls - PROM and Transaxle Calibration Change
  • Starting - Screeching Noise During Cranking
  • A/T - Whine/Whistle In PARK/NEUTRAL
  • A/T - Replacement Transmission Part Numbers
    • Overview
    • General Information
    • Hydra-Matic 4T60-E
    • Hydra-Matic 4T60 (THM 440-T4)
    • Hydra-Matic 4L60 (THM 700-R4)
    • THM 200-4R
    • Hydra-Matic 3T40 (THM 125C)
  • A/T - SRTA Replacement Program
  • A/T - Core Return Product Feedback Form
  • A/T - Service Replacement
    • Overview
    • General Information
    • SRTA Model Replacement Chart (4T60)
    • SRTA Chart (4T60-E)
    • SRTA Chart 3T40 (THM 125C)
    • SRTA Chart THM 200-4R
    • SRTA Chart 4L60 (THM 700-R4)
    • SRTA Chart 4T80-E
    • SRTA Chart 4T60 (THM F-7)
  • A/T - Replacement Program
  • A/T - 440T4 Wiring Schematics
  • A/T - DFI Trouble Shooting
    • Overview
    • 1982 - 1984 Diagnostic Codes
    • 1985 - On /Diagnostic Codes
    • Status Lights/ Engine Data
  • A/T - Engine Vacuum Testing
  • A/T - How To Use A Pressure Gauge
  • A/T - Intermittent Electrical Problems
  • A/T - Failsafe Modes
  • A/T - Drive Axle and Wheel Lug Nut Torque Specifications
  • 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
  • M/T - Correction of Fastener Torque
  • A/T - Dexron IIE Transaxle Fluid
  • A/T - Fluid Checking Procedure
  • A/T - Servicing Vehicle With Contaminated Fluid
  • A/T - DEXRON III Fluid Introduction
  • A/T - Evaluating Peened Spacer Plates
  • A/T - Intermittent Loss of Drive
  • A/T - 4T60 New 1-2 and Reverse Bands
  • Drivetrain - New Seal Protector for Drive Axle R&R
  • A/T - Modification Possible For Reduced Shifter Effort
  • 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 - Grinding/Growling Noise in Park on Incline
  • A/T - Water Or Coolant Contamination Information
  • A/T - DEXRON(R)-VI Fluid Information