Transmission and Drivetrain: Technical Service Bulletins
- Customer Interest
- A/T - 4T60 Oil Pan Bolt Leaks
- A/T - 4T60 Slips/No 3rd Gear/No Drive/Reverse
- A/T - Intermittent Delayed Upshifts
- MIL ON, Intermittent TCC, DTC 62/26 Set
- A/T - 1-2 Slip or Shudder, 2nd Gear Slip, or No 2nd Gear
- A/T - Slips in Reverse/No Reverse
- A/T - Harsh 3-2 Downshift at High Altitude
- A/T - Intermittent Second Gear Start in D2 When Cold
- A/T - Harsh Shift Conditions
- Overview
- Very Harsh Part Throttle 3-2 Shift At 20-40 MPH
- Harsh 3-2 and/or 4-2 Shifts - 1985-90 440T4
- Intermittent Harsh Part Throttle 3-2 Shift
- Harsh 3-2 Shift - High Altitude Only
- Harsh 3-2 Shift - At Low Altitude
- Harsh 3-2 Shift Maneuver At 17-20 MPH
- Harsh 3-2 Coastdown Bump 3.8L At 15-22 MPH
- Harsh Upshifts - High Altitude Only
- A/T - 4T60/4T60E Drive Link Noise In Park/Neutral/Drive
- A/T - Harsh Shift, Double Bump, or Shudder
- A/T - Slipping/No Reverse/Repeat Reverse Band Distress
- 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 - 4T60 Oil Pan Bolt Leaks
- A/T - 4T60 Slips/No 3rd Gear/No Drive/Reverse
- A/T - Intermittent Delayed Upshifts
- MIL ON, Intermittent TCC, DTC 62/26 Set
- A/T - 1-2 Slip or Shudder, 2nd Gear Slip, or No 2nd Gear
- A/T - Slips in Reverse/No Reverse
- A/T - Harsh 3-2 Downshift at High Altitude
- A/T - Intermittent Second Gear Start in D2 When Cold
- A/T - Harsh Shift Conditions
- Overview
- Very Harsh Part Throttle 3-2 Shift At 20-40 MPH
- Harsh 3-2 and/or 4-2 Shifts - 1985-90 440T4
- Intermittent Harsh Part Throttle 3-2 Shift
- Harsh 3-2 Shift - High Altitude Only
- Harsh 3-2 Shift - At Low Altitude
- Harsh 3-2 Shift Maneuver At 17-20 MPH
- Harsh 3-2 Coastdown Bump 3.8L At 15-22 MPH
- Harsh Upshifts - High Altitude Only
- A/T - 4T60/4T60E Drive Link Noise In Park/Neutral/Drive
- A/T - Harsh Shift, Double Bump, or Shudder
- A/T - Slipping/No Reverse/Repeat Reverse Band Distress
- 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 3-2 Downshift at High Altitude
- A/T - Harsh Shift Conditions
- Overview
- Very Harsh Part Throttle 3-2 Shift At 20-40 MPH
- Harsh 3-2 and/or 4-2 Shifts - 1985-90 440T4
- Intermittent Harsh Part Throttle 3-2 Shift
- Harsh 3-2 Shift - High Altitude Only
- Harsh 3-2 Shift - At Low Altitude
- Harsh 3-2 Shift Maneuver At 17-20 MPH
- Harsh 3-2 Coastdown Bump 3.8L At 15-22 MPH
- Harsh Upshifts - High Altitude Only
- A/T - Harsh Shift, Double Bump, or Shudder
- A/T - Harsh 3-2 Downshifts
- Inoperative
- Leaks
- No shift/Incorrect gear engagement
- Noise
- Slipping
- 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
- A/T - 4T60 Oil Pan Bolt Leaks
- 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 - 4T60 Slips/No 3rd Gear/No Drive/Reverse
- A/T - Oil Cooler Flushing Frequently Asked Questions
- A/T - Intermittent Delayed Upshifts
- MIL ON, Intermittent TCC, DTC 62/26 Set
- A/T - 4TH Clutch Assembly Part Numbers Revised
- A/T - 3T40 New Roller Clutch
- A/T - Revised Bearing and Clutch (Increases Lubrication)
- A/T - THM 440T4/4T60E New Clutch Plates
- A/T - Revised Direct Clutch Housing
- A/T - No Reverse, Slips In Low/Reverse
- A/T - 4T60/4T60E 3rd Clutch Plate Identifier Markings
- A/T - Service on Distressed 4TH Clutch
- A/T - 1-2 Slip or Shudder, 2nd Gear Slip, or No 2nd Gear
- A/T - Slips in Reverse/No Reverse
- A/T - Harsh 3-2 Downshift at High Altitude
- A/T - New Channel Plate/Input Housing Model Codes
- A/T - Revised Park Bracket Bolts
- A/T - New I.D. Codes & New Overhaul Packages
- A/T - Intermittent Second Gear Start in D2 When Cold
- A/T - Harsh Shift Conditions
- Overview
- Very Harsh Part Throttle 3-2 Shift At 20-40 MPH
- Harsh 3-2 and/or 4-2 Shifts - 1985-90 440T4
- Intermittent Harsh Part Throttle 3-2 Shift
- Harsh 3-2 Shift - High Altitude Only
- Harsh 3-2 Shift - At Low Altitude
- Harsh 3-2 Shift Maneuver At 17-20 MPH
- Harsh 3-2 Coastdown Bump 3.8L At 15-22 MPH
- Harsh Upshifts - High Altitude Only
- A/T - Core Return Product Feedback Form
- A/T - Parking Lock System For Heavier Vehicles
- A/T - Engine Vacuum Testing
- A/T - How To Use A Pressure Gauge
- 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
- 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 - Revised Driven Sprocket Support and Chain Scoop
- A/T - 4T60/4T60E Drive Link Noise In Park/Neutral/Drive
- A/T - Revised Pressure Switches and Wiring Harnesses
- A/T - Evaluating Peened Spacer Plates
- A/T - New 1-2 Band Assembly Does Not Require Stop
- A/T - 4T60 New 1-2 and Reverse Bands
- A/T - New Band Assemblies
- A/T - New Reverse Band Apply Pin Gage
- A/T - Harsh Shift, Double Bump, or Shudder
- A/T - Slipping/No Reverse/Repeat Reverse Band Distress
- A/T- 3T40 New Side Cover and Bottom Pan Gasket
- A/T - Revised End Play Specifications
- A/T - New Thermo Element/Setting Procedure
- 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