Transmission and Drivetrain: Technical Service Bulletins
- Recalls
- Customer Interest
- A/T - Loss of Drive or Erratic Shifts
- A/T - Slipping, No TCC, Erratic Shift or 2ND/3RD Starts
- A/T - Intermittent Delayed Engagement In Drive/Reverse
- A/T - Intermittent or No TCC Apply, Possible DTC 26/39
- A/T - Intermittent Second Gear Start in D2 When Cold
- A/T - Second Gear Vibration
- A/T - Harsh 1 to 2, 2 to 3, or 3 to 4 Upshifts
- A/T - Fluid Leak At Side Cover to Channel Plate
- A/T - Revised End Play Specifications
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- A/T - No Movement in Drive or 3rd Gear
- By Symptom
- Abnormal wear/deterioration
- Customer Interest
- A/T - Loss of Drive or Erratic Shifts
- A/T - Slipping, No TCC, Erratic Shift or 2ND/3RD Starts
- A/T - Intermittent Delayed Engagement In Drive/Reverse
- A/T - Intermittent or No TCC Apply, Possible DTC 26/39
- A/T - Intermittent Second Gear Start in D2 When Cold
- A/T - Second Gear Vibration
- A/T - Harsh 1 to 2, 2 to 3, or 3 to 4 Upshifts
- A/T - Fluid Leak At Side Cover to Channel Plate
- A/T - Revised End Play Specifications
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- A/T - No Movement in Drive or 3rd Gear
- Driveability
- Erratic Shifting
- Hard Shifting
- A/T - Harsh 3-2 Downshifts
- Overview
- IA. Very Harsh Part Throttle 3-2 Shift At 20-40 MPH
- IB. Harsh 3-2 and/or 4-2 Shifts
- IC. Intermittent Harsh Part Throttle 3-2 Shift
- Harsh 3-2 Shift **High Altitude Only**
- Harsh 3-2 Shift Low Altitude Only
- Harsh 3-2 Shift Maneuver At 17-20 MPH
- Harsh 3-2 Coastdown Bump At 15-22 MPH
- Harsh Upshifts - High Altitude Only
- A/T - Harsh 1 to 2, 2 to 3, or 3 to 4 Upshifts
- A/T - Harsh 3-2 Downshifts
- Incorrect gear selection
- Inoperative
- Leaks
- No shift/Incorrect gear engagement
- A/T - Slipping, No TCC, Erratic Shift or 2ND/3RD Starts
- A/T - Intermittent Delayed Engagement In Drive/Reverse
- A/T - Intermittent or No TCC Apply, Possible DTC 26/39
- A/T - THM Late or No Upshifts
- A/T - 440T4/4T60 Late or No Upshift
- A/T - 125C, 440T4 No Upshift
- A/T - Slipping or No-Shift/Metal Sealing Rings
- Noise
- Recalls
- Vibration
- 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
- A/T - Loss of Drive or Erratic Shifts
- A/T - New Bottom Pan & Controlled Compression Gasket
- A/T - Transaxle Oil Filter Differences
- A/T - Harsh 3-2 Downshifts
- Overview
- IA. Very Harsh Part Throttle 3-2 Shift At 20-40 MPH
- IB. Harsh 3-2 and/or 4-2 Shifts
- IC. Intermittent Harsh Part Throttle 3-2 Shift
- Harsh 3-2 Shift **High Altitude Only**
- Harsh 3-2 Shift Low Altitude Only
- Harsh 3-2 Shift Maneuver At 17-20 MPH
- Harsh 3-2 Coastdown Bump At 15-22 MPH
- Harsh Upshifts - High Altitude Only
- A/T - Oil Cooler Flushing Frequently Asked Questions
- A/T - Slipping, No TCC, Erratic Shift or 2ND/3RD Starts
- A/T - Forward and Reverse Servo Part Changes
- A/T - Intermittent Delayed Engagement In Drive/Reverse
- Recall - Vehicle In Reverse While Displays Neutral
- A/T - 4th Clutch & Hydraulic Updates
- A/T - Intermittent or No TCC Apply, Possible DTC 26/39
- A/T - Intermittent Second Gear Start in D2 When Cold
- A/T - Second Gear Vibration
- A/T - Service Replacement Transaxle Assembly SRTA Update
- A/T - Revised Scavenger Oil Scoop
- A/T - 4T60E Cold Start Rattle Noise
- 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 - 4T60 Intermittent Delayed Engagement
- A/T - Torque Converter Identification
- A/T - Engine Vacuum Testing
- A/T - How To Use A Pressure Gauge
- A/T - AXOD/E 44T4's and 125's Chain Stretch
- A/T - 440T4 No Second Clutch Switch
- A/T - Intermittent Electrical Problems
- A/T - 440T4 Channel Plate Gasket Blow-Out
- A/T - 440T4 No Upshift/Wrong Gear
- A/T - THM Late or No Upshifts
- A/T - Failsafe Modes
- A/T - 440T4 Coast-Down Clunk
- A/T - 4T60E Drive Chains
- A/T - 4T60E New Design Pump Body And Rotor
- A/T - 4T60E Torrington Bearing Replaced
- A/T - 4T60E Wiring Harness Updates
- A/T - Drive Axle and Wheel Lug Nut Torque Specifications
- A/T - 440T4/4T60 Late or No Upshift
- A/T - 4T60E 2nd Gear Starts, Shifts 1-3
- A/T - No Converter Clutch Apply When Unit Is Hot
- A/T - Rapid Converter Pump Bushing Wear
- A/T - Converter Clutch Shudder
- A/T - 125C, 440T4 No Upshift
- A/T - Slipping or No-Shift/Metal Sealing Rings
- A/T - Front Bushing Wear
- A/T - 440T4 Plastic Oil Lube Dam
- A/T - Math Formulas Part I
- A/T - Twenty Steps To Successful Repairs
- A/T - Math Part II
- A/T - Choosing the Right ATF
- A/T - New Transmission/Transaxle Fluid
- A/T - Servicing Vehicles With Contaminated ATF
- A/T - DEXRON III Fluid Introduction
- A/T - Harsh 1 to 2, 2 to 3, or 3 to 4 Upshifts
- A/T - Evaluating Peened Spacer Plates
- A/T - Fluid Leak At Side Cover to Channel Plate
- A/T - Revised End Play Specifications
- A/T Bottom Pan Gasket (Reusable) - General Information
- Axle Oil Seal, Right - Leaks at the Axle Tripod Shank
- 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 - Grinding/Growling Noise in Park on Incline
- A/T Control - DTC P0756 Diagnostic Tips
- A/T - Water Or Coolant Contamination Information
- A/T - DEXRON(R)-VI Fluid Information