Transmission and Drivetrain: Technical Service Bulletins
- 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
- ACDelco(R) Remanufactured Transmissions - Program Update
- Drivetrain - Manual Update On Propeller Shaft Procedures
- A/T Oil Pan Bolt - Leaks
- A/T - Repair Guidelines
- A/T - Transaxle Oil Filter Differences
- A/T - Wiring Harness Assembly Usage
- A/T - New Oil Pump Rotor Thickness
- A/T - 3T40 Center Gearbox Distress, Diagnosis Tips
- A/T - Delayed Upshifts When Cold or Hot
- Engine Controls - Updated Code 62 A/T Gear Switch Signal
- Engine Controls - Code 62 or 26, Intermittent/No TCC
- A/T - Intermittent TCC, MIL ON, and DTC 62/26 Set
- Vehicle - Fluid Level General Guidlines
- A/T - 2-3 Slip or Flare/Delayed 2-3 Upshifts
- A/T - 3rd Clutch and Overhaul Kits
- A/T - Diagnosis Information, Lo-Reverse Clutch
- A/T - New Direct & Forward Clutch Fiber Plates
- A/T - New Clutch Plates
- A/T - 4T60 New Input and 3rd Clutch Seals
- A/T - 3T40/125C New Roller Clutch
- A/T - No Reverse or Slips In Low/Reverse
- A/T - 4T60E 3RD Clutch Plate Identifiers
- A/T - Slip or Shudder on 1-2 Shift, Slip or No 2nd Gear
- A/T - Service Information on Distressed 4TH Clutch
- A/T - Slips in Reverse or No Reverse
- A/T - Manual Update 3rd Gear Clutch Switch
- A/T - Slips In 1st or No 1st Gear
- A/T - Revised Direct Clutch Piston Center Seal R&R
- A/T - Final Drive Ratio
- A/T - New Product Information - THM 440-T4
- A/T - Hydra-matic Designation System
- A/T - Product Updates/Production Changes
- A/T - 3T40/3T40-A Replacement Transmission Update
- A/T - Revised Drive Link Wear Specification
- A/T - Harsh 3-2 Downshift in Hot Outside Temperatures
- A/T - Harsh Engage, Double Bump or Shudder
- A/T - Intermittent Loss of Drive
- A/T - New Product Information, THM 125C
- A/T - No 3RD Gear (New Thrust Bearing)
- A/T - On Car Service Info For Harsh 3-2 Downshifts
- A/T - On-Car Service & Transmission Exchange
- A/T - Service Replacement Transaxle Update
- A/T - Core Return Product Feedback Form
- A/T - New I.D. Codes & New Overhaul Packages
- A/T - 4T60 3-2 Tip-In Flare/Slip-Bump at 18-24 MPH
- A/T - 4T60/440T4 Changes For 1988
- A/T - Late 1988 GM 4T60/440T4 Changes
- A/T - 440T4/F7 New Governor Screen Added To Case
- A/T - 440T4/F7 No Third Gear
- A/T - 3T40, 125/125C New Spring Dowel Case Cover Pins
- A/T - 3T40/THM 125C Intermittent or No TCC Apply
- A/T - 440T4 Input Sprag Replacement
- A/T - THM 125/125C, 3T40 Lo-Reverse Clutch Rattle
- A/T - 3T40/THM 125C Forward Drum Design Changes
- A/T - Torque Converter Identification
- A/T - 440T4 2-3 Bind-Up/Slips
- A/T - 440T4 Wiring Schematics
- A/T - Engine Vacuum Testing
- A/T - THM 125C Model Codes
- A/T - Diagnosing Converter Lock-Up Problems
- A/T - 125C Uncontrolled Lock-Up, Kills Engine At Stop
- A/T - 440T4 No Line Pressure Rise
- A/T - Early Upshift/No Kickdown
- A/T - 440T4/4T60 Spacer Plate Matching
- A/T - How To Use A Pressure Gauge
- A/T - 440T4 Harsh 3-2 Detent Downshift
- A/T - AXOD/E 44T4's and 125's Chain Stretch
- A/T - 440T4 No Second Clutch Switch
- A/T - 125/440 T4 Sprocket and Final Drive Identification
- A/T - 440T4 Channel Plate Gasket Blow-Out
- A/T - 440T4 No Upshift/Wrong Gear
- A/T - THM Late or No Upshifts
- A/T - 440T4 Coast-Down Clunk
- A/T - Drive Axle and Wheel Lug Nut Torque Specifications
- A/T - 440T4/4T60 Late or No Upshift
- A/T - Harsh Forward Engagement
- A/T - No Converter Clutch Apply When Unit Is Hot
- A/T - Rapid Converter Pump Bushing Wear
- A/T - Converter Clutch Shudder
- A/T - 125, 200C/200 4R, 700 R4 Hidden Residue Build Up
- A/T - Governor Pressure Switches
- A/T - 125C, 440T4 No Upshift
- A/T - Methods to Check for Restricted Exhaust
- A/T - Slipping or No-Shift/Metal Sealing Rings
- A/T - Front Bushing Wear
- A/T - No Upshift/Governor Contamination
- A/T - 440T4 Plastic Oil Lube Dam
- A/T - Checking Pressure Switches For Leaks
- A/T - 440T4 Converter Regulator Spring Update
- A/T - 440T4 Lock Up And Cruise Control Problems
- A/T - Math Formulas Part I
- A/T - Twenty Steps To Successful Repairs
- A/T - Math Part II
- A/T - 440T4 Soft/Slipping 1-2 Upshift Flare
- A/T - 440T4 Reverse Reaction Plate/Valve Body Strap
- A/T - 440T4 Converter Clutch Shudder
- A/T - Choosing the Right ATF
- A/T - 440T4/4T60 Model Code Information
- M/T - High Clutch & Shift Effort or Gear Clash
- A/T - New Transaxle Fluid
- A/T - Manual Update, Checking ATF Color, Odor & Level
- A/T - Procedure If ATF is Antifreeze Contaminated
- A/T - DEXRON III Fluid Introduction
- A/T - Intermittent/No Torque Converter Clutch Apply
- A/T - 4T60/4T60E Drive Link Noise
- A/T - 18-24 MPH 3-2 Tip-In Flare/Slip-Bump
- A/T - Evaluating Peened Spacer Plates
- A/T - Fluid Leak Near Governor Area Caused By Porosity
- A/T - New Governor Screen Added to Case
- A/T - Revised 1-2 Band Assembly
- A/T - 4T60 New Design Bands
- A/T - New Reverse Band Apply Pin Gage
- A/T - 4T60 Slipping/No Reverse
- A/T - 4T60/3T40 Grinding/Growling On Incline
- A/T - New Spring Dowel Case Cover Pins
- Drivetrain - Revised Front Drive Axle Replacement
- Drivetrain - Revised Front Drive Axle R&R
- Drivetrain - New Seal Protector for Drive Axle R&R
- A/T - Intermittent Slip In Forward/Reverse When Cold
- M/T - Knocking or Tapping Noise In All Gear Ranges
- A/T - 4T60 New Thermo Element/Setting Procedure
- A/T - New Bottom Pan & Controlled Compression Gasket
- A/T - New Side Cover and Bottom Pan Gasket
- 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