Transmission and Drivetrain: Technical Service Bulletins
- Recalls
- Customer Interest
- By Symptom
- 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
- ACDelco(R) Remanufactured Transmissions - Program Update
- A/T & M/T - AC Delco Remanufactured Transmissions
- Engine - Diagnosing Vibration
- Engine - Vibration Diagnosis
- A/T - Intermittent Slip, Downshift, or Busy Cycling TCC
- A/T - Intermittent Downshift/Slip/Cycling Diagnosis
- Brakes, Rear - Moan or Howl Noise Upon Applications
- Driveline - Propeller Shaft Noise/Center Bearing Wear
- Drivetrain - Evaluating Driveline Vibration
- Clutch - Chatter/Shudder On Launch Condition
- M/T - Noise In Neutral
- M/T - Neutral Gear Noise
- Differential Pinion Shaft Lock Screw - Service
- Drivetrain - Front Drive Axle Leaks
- Differential - Additive Recommendations for G80 Axles
- Differential - Front Actuator Replacement
- Differntial (Front) - Axle Leak Through Remote Vent
- Driveline - Front Axle Fluid Leaks Through Remote Vent
- Transfer Case - Shift Effort High or Blockouts
- Drivetrain - Front Axle Growl
- Front Drive Axle Engagement
- Transfer Case - Four Wheel Drive Inoperative
- A/T - Updated Filter and Seal
- A/T TCC - MIL ON/False Code 32 Set Diagnostics
- A/T - Fluid Leak Near Front Pump (Bushing Walkout)
- A/T - Cooler Replacement/Flushing
- A/T - External Oil Cooler Kits
- A/T - THM 700-R4 New Harness/Solenoid Assembly
- A/T - Driveline Rattle at 40 MPH With TCC Engaged
- 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 - 4L60 Steel 3-4 Clutch Plate Availability
- A/T - Burned Forward/Direct Clutch
- A/T - Burned Forward/Direct Clutchs
- A/T - Burned Forward Gear, Overrun or 3-4 Clutches
- A/T - Click or Whine in Third or Fourth Gear
- A/T - Direct Clutch Premature Wear
- A/T - Forward and Reverse Engagement Shift Feel
- A/T - Revised 3-4 Clutch
- A/T - New Case Assembly, Removal of Pressure Taps
- A/T - New Short Lip Piston Seal Design
- A/T - New Wave Plate Now Available
- A/T - Proper Location of the Forward Clutch Checkball
- A/T - THM 400 New Forward and Direct Clutch Assemblies
- A/T - Service Replacement Model Update
- A/T Fluid Level Indicator - Available
- A/T - Buzzing Noise at Idle
- A/T - Harsh Park/Neutral to Reverse Engagement
- A/T - New Product Information
- A/T - Service Replacement Assembly
- A/T - Service Replacement Transmission Assembly (SRTA)
- A/T - New Service Replacement Assembly
- A/T - Slipping/No Reverse/Other Concerns After Service
- A/T - Core Return Product Feedback Form
- A/T- New Product Information
- A/T - New Governor Driven Gear for No Upshift or Erratic
- A/T - New 2-4 Band Apply, Anchor Brackets, Lube Window
- A/T - 700-R4 & 400 Improved Governor Driven Gear
- A/T - 3L80/THM 400 Center Support Bolt
- A/T - Torque Converter Identification
- A/T - Harsh Reverse Engagements
- A/T - Engine Vacuum Testing
- A/T - How To Use A Pressure Gauge
- A/T - THM 400 Rear Band Adjustment Too Loose
- A/T - Rapid Converter Pump Bushing Wear
- A/T - Methods to Check for Restricted Exhaust
- A/T - Slipping or No-Shift/Metal Sealing Rings
- A/T - Front Bushing Wear
- A/T - THM 400 Too Sensitive 3-2 Downshift
- A/T - No Upshift/Governor Contamination
- A/T - THM 400 No Reverse
- A/T - THM Steel Clutch Piston Inspection
- A/T - Sprag Rotation
- A/T - Checking Pressure Switches For Leaks
- A/T - Math Formulas Part I
- A/T - Twenty Steps To Successful Repairs
- A/T - Math Part II
- A/T - Choosing the Right ATF
- M/T - Pops out of 3rd Gear on Accel or Decel
- M/T - Gear Rattle In Forward Gears/Shift Lever Rattle
- M/T - HM-290 Diagnostic Information
- M/T - Neutral/Drive Gear Rattle
- M/T - No 4th Gear or Hard Shift Into 4th
- M/T - Noise, Rattle, Clicking In 2nd/4th Gear
- Campaign - 4-Speed M/T Locks In Rev
- M/T - Rattle/Clicking Noise in 2nd and/or 4th Gear
- M/T - HM-290 Updated Procedures
- M/T - New Leak Resistant Styrene Rubber Coated Gaskets
- M/T - Proper Service Fluid
- A/T - Updated ATF Fluid Color/Level Check Information
- Campaign - A/T Fluid Containment
- A/T - Paint Flakes In Fluid
- A/T - Manual Update For ATF Level & Condition
- A/T - New Trans Fluid, Dexron IIE
- A/T - Proper Fluid Level Checking Procedure
- Campaign - Fluid Containment
- A/T - DEXRON III Fluid Introduction
- Drive Axle - Front Wiring Harness
- Drivetrain - New Axle Boot Clamp Installation
- A/T Rear Case Bushing - Removal & Installation Procedure
- A/T - 4L60 Binding/Inoperative In Reverse
- A/T - New Control Valve Assembly Elimination of TCC Bore
- A/T - Proper Usage of Spacer Plate Gaskets, Overhaul Kit
- 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 - THM 700R4 New Second Servo Apply Pin
- A/T - New Servo Apply Pin
- A/T - 1-2 Accumulator Piston/Outer Spring Replacement
- Recall - Automatic Transmission Vent
- M/T - Fluid Leak From Vent
- M/T - Fluid Leak Out the Vent
- Driving Axle (Front) - Fluid Leaks From Vent
- Differential - Front Axle Fluid Leak Through Remote Vent
- Transfer Case - NP241 Fluid Leak From Vent
- M/T - Noises In Forward Gears/Shift Lever Rattle
- M/T - Shift Lever Rattle or Buzz
- M/T - Updated Gaskets
- 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