Transmission and Drivetrain: Technical Service Bulletins
- Recalls
- Customer Interest
- A/T - Delayed Shifts in Low Gear in 4X4 Mode
- A/T - Intermittent Slip, Downshift, or Busy Cycling TCC
- A/T - 4L80-E/4L80-EHD Grunt or Squawk Noise
- Clutch - Chatter/Shudder on Launch
- Drivetrain - Front Axle Seals Leak
- Transfer Case - Four Wheel Drive Inoperative
- A/T - 4L80E/4L80EHD Buzz/Vibration
- Torque Converter - Squeak Noise
- Clutch Pedal - Pop or Scrape Noise When Depressed
- Front Axle Drive Shaft Seal - Wears Out Early
- A/T - Lack of Power At Highway Speeds, 4L80E in Hot Mode
- A/T - Intermittent DTC 87/High Ratio Error
- A/T - Click or Whine in Third or Fourth Gear
- A/T - 4L60 No Reverse/Delayed Reverse
- A/T - Buzzing Noise at Idle
- A/T - Torque Converter Clutch Shutter
- A/T - No Upshift/Stuck In First/No Codes/Exterior Leaks
- A/T - 4L60 Binding/Inoperative In Reverse
- A/T - High Line Pressure Instability 4L80E/4L80EHD
- Transfer Case - High Shift Effort When Shifting
- Locking Differential - Chattering on Turns
- A/T - No Reverse, New Rear Band 4L80E
- A/T - Double or 1-2 Shift Shudder
- Driving Axle (Front) - Fluid Leaks From Vent
- Transfer Case - NP241 Fluid Leak From Vent
- M/T - Shift Lever Shake/Nose in 2nd Gear
- Transfer Case - Hops Out of 4H, No Drive in 2 or 4H
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- A/T - No Movement in Drive or 3rd Gear
- By Symptom
- Abnormal wear/deterioration
- Chattering
- Customer Interest
- A/T - Delayed Shifts in Low Gear in 4X4 Mode
- A/T - Intermittent Slip, Downshift, or Busy Cycling TCC
- A/T - 4L80-E/4L80-EHD Grunt or Squawk Noise
- Clutch - Chatter/Shudder on Launch
- Drivetrain - Front Axle Seals Leak
- Transfer Case - Four Wheel Drive Inoperative
- A/T - 4L80E/4L80EHD Buzz/Vibration
- Torque Converter - Squeak Noise
- Clutch Pedal - Pop or Scrape Noise When Depressed
- Front Axle Drive Shaft Seal - Wears Out Early
- A/T - Lack of Power At Highway Speeds, 4L80E in Hot Mode
- A/T - Intermittent DTC 87/High Ratio Error
- A/T - Click or Whine in Third or Fourth Gear
- A/T - 4L60 No Reverse/Delayed Reverse
- A/T - Buzzing Noise at Idle
- A/T - Torque Converter Clutch Shutter
- A/T - No Upshift/Stuck In First/No Codes/Exterior Leaks
- A/T - 4L60 Binding/Inoperative In Reverse
- A/T - High Line Pressure Instability 4L80E/4L80EHD
- Transfer Case - High Shift Effort When Shifting
- Locking Differential - Chattering on Turns
- A/T - No Reverse, New Rear Band 4L80E
- A/T - Double or 1-2 Shift Shudder
- Driving Axle (Front) - Fluid Leaks From Vent
- Transfer Case - NP241 Fluid Leak From Vent
- M/T - Shift Lever Shake/Nose in 2nd Gear
- Transfer Case - Hops Out of 4H, No Drive in 2 or 4H
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- A/T - No Movement in Drive or 3rd Gear
- Driveability
- Erratic Shifting
- False instrument warning light/gauges
- Hard Selection
- Hard Shifting
- Inoperative
- Leaks
- No shift/Incorrect gear engagement
- Noise
- A/T - 4L80-E/4L80-EHD Grunt or Squawk Noise
- A/T - 4L80E/4L80EHD Buzz/Vibration
- Torque Converter - Squeak Noise
- Clutch Pedal - Pop or Scrape Noise When Depressed
- A/T - Click or Whine in Third or Fourth Gear
- A/T - Buzzing Noise at Idle
- A/T - 4L80E Buzzing Noise
- M/T - Shift Lever Shake/Nose in 2nd Gear
- Transfer Case - Hops Out of 4H, No Drive in 2 or 4H
- Poor performance
- Pops out of gear
- Recalls
- Slipping
- Sticking/Binding
- Vibration
- Won't disengage
- 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
- A/T - Delayed Shifts in Low Gear in 4X4 Mode
- A/T - Intermittent Slip, Downshift, or Busy Cycling TCC
- A/T - Intermittent Downshift/Slip/Cycling Diagnosis
- A/T - 4L80-E/4L80-EHD Grunt or Squawk Noise
- Clutch - Chatter/Shudder on Launch
- Differential Pinion Shaft Lock Screw - Service
- Drivetrain - Front Drive Axle Leaks
- Drivetrain - Front Axle Seals Leak
- Transfer Case - Hops Out of 4-Low
- Transfer Case - Four Wheel Drive Inoperative
- A/T TCC - MIL ON/False Code 32 Set Diagnostics
- A/T - 4L80E/4L80EHD Buzz/Vibration
- A/T - Loss of Drive in All Ranges
- A/T - Cooler Replacement/Flushing
- A/T - External Oil Cooler Kits
- A/T - Oil Cooler Flushing Frequently Asked Questions
- A/T - Shift Solenoid Update
- A/T - New Wiring Harness With Inline Temp Sensor
- Torque Converter - Squeak Noise
- Campaign - Torque Converters Damper Springs May Fracture
- M/T - Clutch Pilot Bushing and Bearings
- Clutch Pedal - Pop or Scrape Noise When Depressed
- Slip Yoke/U-Joint - Replacement and Servicing
- Front Wheel Driveshaft Boot - Damage Prevention
- Front Axle Drive Shaft Seal - Wears Out Early
- Front Differential Output Shaft Seals - Replacement
- A/T - Lack of Power At Highway Speeds, 4L80E in Hot Mode
- A/T - Intermittent DTC 87/High Ratio Error
- A/T - 4L60 Steel 3-4 Clutch Plate Availability
- A/T - Click or Whine in Third or Fourth Gear
- A/T - Revised 3-4 Clutch
- A/T - New Wave Plate Now Available
- A/T - 4L60 No Reverse/Delayed Reverse
- A/T - Charts and Artwork Manual Updates
- A/T - Buzzing Noise at Idle
- Warranty - Extended A/T Warranty Coverage
- A/T - Fluid Leaks Through Connector
- A/T - New 4L80-E or 4L80-EHD Identification Tag
- A/T - Precautions on Wiring Harness
- A/T - 4L80-E Initial Service and Diagnosis Training
- Warranty - A/T Service Procedure Policy Changes
- Goodwrench Transmissions - Applications
- Recall 93V016000: A/T Venting fluid
- A/T - New Solenoid Testing Kit
- A/T - Core Return Product Feedback Form
- A/T - 4L80-E/4L80-EHD Service Manual Updates
- A/T - 4L80E/4L80EHD (MT1) Delayed Shifts In Low Gear
- A/T - Reusable Bottom Pan Seal
- A/T - Dexron IIE Preferred Fluid for All Hydra-matic
- A/T - Torque Converter Identification
- A/T - Engine Vacuum Testing
- A/T - How To Use A Pressure Gauge
- A/T - 4L80E Electrical Diagnosis
- A/T - 4L80E Binds In Lo/Starts in 3rd Gear
- A/T - Intermittent Electrical Problems
- A/T - 4L80E Buzzing Noise
- A/T - 4L80E New Design Wiring Harness
- A/T - 4L80E Multiple/Intermittent Trouble Codes
- A/T - 4L80E No Upshift
- A/T - 4L80E Binds In Manual Low1
- A/T - 4L80E No or Low Line Rise
- A/T - Failsafe Modes
- A/T - No Line Pressure/Uncontrollable High Pressure
- A/T - 4L80E High Line Pressure/Broken Drum Cracked Case
- A/T - No Shift/Scanner Reports Shifting
- A/T - 4L80E Neutral Feel On 3-4 Upshift
- A/T - 4L60-E/4L8O-E PCM Application Information
- A/T - Rapid Converter Pump Bushing Wear
- 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 Trans Fluid, Dexron IIE
- A/T - DEXRON III Fluid Introduction
- A/T - 4L80-E/4L80-EHD Diagnostic Charts Update
- A/T - Torque Converter Clutch Shutter
- A/T - No Upshift/Stuck In First/No Codes/Exterior Leaks
- Campaign - 4X4 Indicator Light Wiring
- A/T - Holley Variable Pressure Control Solenoid
- A/T - 4L60 Binding/Inoperative In Reverse
- A/T - High Line Pressure Instability 4L80E/4L80EHD
- A/T - Evaluating Peened Spacer Plates
- Transfer Case - High Shift Effort When Shifting
- Locking Differential - Chattering on Turns
- Drivetrain - Recommended Axle Lubricant
- Drivetrain - Rear Axle Lubricant Compatibility & Usage
- A/T - No Reverse, New Rear Band 4L80E
- A/T - Double or 1-2 Shift Shudder
- A/T - 1-2 Accumulator Piston/Outer Spring Replacement
- Recall - Automatic Transmission Vent
- A/T - New Center Support Bolt Service Package
- A/T - Cracked Case Diagnosis
- Driving Axle (Front) - Fluid Leaks From Vent
- Campaign - Rear Axle Shaft Inspection/Replacement
- Transfer Case - NP241 Fluid Leak From Vent
- M/T - Shift Lever Shake/Nose in 2nd Gear
- Transfer Case - Hops Out of 4H, No Drive in 2 or 4H
- M/T - Correct Transmission Fluid Usage
- Drivetrain - Updated Transfer Case Speed Sensor Conn.
- 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