Transmission and Drivetrain: Technical Service Bulletins
- Customer Interest
- Driveline - Vibration/Growl Noise
- A/T - 4L60-E Harsh 1-2 Gear Upshift/MIL/SES/CEL ON
- Park/Neutral Switch - Connector Hard to Remove
- A/T - Wide Open Throttle 1-2 Double Bump/Harsh Shift
- A/T - 4L80E Engine Stalls and/or Surges at Stop
- Driveline - Bump/Clunk/Squawking Noises
- Transfer Case Switch - `Service 4WD' Indicator ON
- 4X4 System - Front Wheels Slip in Four Wheel Drive
- A/T - 4T65-E Fluid Leaks From Reverse Servo Cover
- M/T - Comes Out Of Gear
- A/T - Poor Performance/MIL ON/DTC P0757
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- A/T - No Movement in Drive or 3rd Gear
- A/T - 4L60/65E, No Reverse/2nd or 4th Gear
- A/T - 4T65E Fluid Leaking From A/T Vent
- Drivetrain - Excessive Effort When Shift From 2HI to 4HI
- By Symptom
- Abnormal wear/deterioration
- Customer Interest
- Driveline - Vibration/Growl Noise
- A/T - 4L60-E Harsh 1-2 Gear Upshift/MIL/SES/CEL ON
- Park/Neutral Switch - Connector Hard to Remove
- A/T - Wide Open Throttle 1-2 Double Bump/Harsh Shift
- A/T - 4L80E Engine Stalls and/or Surges at Stop
- Driveline - Bump/Clunk/Squawking Noises
- Transfer Case Switch - `Service 4WD' Indicator ON
- 4X4 System - Front Wheels Slip in Four Wheel Drive
- A/T - 4T65-E Fluid Leaks From Reverse Servo Cover
- M/T - Comes Out Of Gear
- A/T - Poor Performance/MIL ON/DTC P0757
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- A/T - No Movement in Drive or 3rd Gear
- A/T - 4L60/65E, No Reverse/2nd or 4th Gear
- A/T - 4T65E Fluid Leaking From A/T Vent
- Drivetrain - Excessive Effort When Shift From 2HI to 4HI
- Driveability
- Erratic Operation
- Erratic Shifting
- Hard Selection
- Hard Shifting
- Hunting-Surging
- Inoperative
- Leaks
- No shift/Incorrect gear engagement
- Noise
- Pops out of gear
- Slipping
- Smoke, Fumes
- Sticking/Binding
- Stiff controls
- 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
- Drivetrain - AWD/4WD System Driveline Characteristics
- Driveline - Vibration/Growl Noise
- A/T - Intermittent Downshift/Slip/Cycling Diagnosis
- Rear Axle - Lubricant Recommendations
- Drivetrain - Noise/Vibration/Leaks/Slipping in 4WD
- Transfer Case - Bump/Clunk Update
- Transfer Case - DTC B2725 Manual Update
- Drivetrain - Revised Transfer Case Service Procedures
- Transfer Case - RTV Silicone Sealant Usage Precaution
- A/T - 4L60-E Harsh 1-2 Gear Upshift/MIL/SES/CEL ON
- A/T - 4L65E, 4L60E, 4L60, 200-4R Oil Pump Spring
- A/T - Oil Cooler Flushing/Flow Check Procedures
- A/T - Oil Cooler Flushing Frequently Asked Questions
- Torque Converter - Bolt Design Update
- Park/Neutral Switch - Connector Hard to Remove
- A/T - Wide Open Throttle 1-2 Double Bump/Harsh Shift
- A/T - 4L80E Engine Stalls and/or Surges at Stop
- A/T - DTCs P0716 And P0717 Procedure Revised
- Driveline - Bump/Clunk/Squawking Noises
- A/T - 4L60E/4L80E, Cold Weather Performance
- A/T - Service Procedure Changes
- A/T - 2nd to 3rd / 3rd to 4th Gear Cold Shift Updated
- A/T - Core Return Product Feedback Form
- A/T - Serial Number/Site Code Locations/Identification
- A/T - Shift Stabilization/Tow/Haul Mode Feature
- A/T - Diagnosing Fluid Leaks
- Rear Axle Ring And Pinion Gear Sets - 2 Cut vs. 5 Cut
- Drivetrain - Transfer Case Control Module Replacement
- A/T - 4L60E TECH II Diagnostic Tool
- A/T - Shift Lock Control Feature Function
- Drivetrain - Wheel Drive Shaft Nut Torque Revision
- Transfer Case Switch - `Service 4WD' Indicator ON
- A/T - 4L60 E Revised Valve Body/Spacer/Gaskets
- A/T - 4L60E Valve Body/Spacer/Gasket Kit Reference
- Transfer Case - Improved Automatic Transfer Case Fluid
- Rear Axle Lubricant - Recommendations
- 4X4 System - Front Wheels Slip in Four Wheel Drive
- A/T - 4T65-E Fluid Leaks From Reverse Servo Cover
- Drivetrain - Transfer Case Output Shaft/Oil Pump
- A/T - Cracked Case Diagnosis
- Drivetrain - New Transfer Case Output Bearing Tool
- A/T - New Design Reaction Shell Thrust Washer
- A/T - Revised Turbine Shaft Seal Installer
- M/T - Comes Out Of Gear
- Drivetrain - Transfer Case Clutch Shimming
- Transfer Case - 1st And 2nd Clutch Hub And Apply Plate
- Drivetrain - Updated Transfer Case Speed Sensor Conn.
- Transfer Case Outputshaft Seal - Revised Design
- A/T - Poor Performance/MIL ON/DTC P0757
- Drivetrain - Front Drive Axle Lubrication Update
- M/T - Hydraulic Clutch Bleeding Procedure Improvement
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- A/T - Valve Body Reconditioning
- A/T - Cooler Line Fitting Applications
- A/T - DTC P0894 and P1870 Diagnostic Tips
- A/T - Torque Converter Replacement Information
- A/T - No Movement in Drive or 3rd Gear
- A/T - 4L60/65E, No Reverse/2nd or 4th Gear
- A/T - Gear Engagement Time Information
- A/T - 4T65E Fluid Leaking From A/T Vent
- A/T - Revised Converter Check Valve/Cooler Line Fitting
- A/T Control - DTC P0756 Diagnostic Tips
- Drivetrain - L/H Front Axle Removal Tips
- Drivetrain - Gen II Vs. Gen III Wheel Hub Changes
- A/T - Goodwrench Transmission Replacement
- A/T - Water Or Coolant Contamination Information
- A/T - DEXRON(R)-VI Fluid Information
- Drivetrain - Excessive Effort When Shift From 2HI to 4HI
- Engine Controls - Non-GM Engine/Transmission Calibration ID