Transmission and Drivetrain: Technical Service Bulletins

• Customer Interest
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • A/T - No Movement in Drive or 3rd Gear
• By Symptom
  • Abnormal wear/deterioration
    • A/T - 200 4R & 700 R4 Pump Failure
    • A/T - 2004R/200C, 325 Soft 1-2 Shift
    • A/T - Front Bushing Wear
  • Customer Interest
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • A/T - No Movement in Drive or 3rd Gear
  • Driveability
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Erratic Shifting
    • A/T - 200R4 Delayed Neutral To Reverse Engagement
    • A/T - Converter Clutch Shudder
    • A/T - 125, 200C/200 4R, 700 R4 Hidden Residue Build Up
    • A/T - 200 4R & 700 R4 Pump Failure
    • A/T - 2004R/200C, 325 Soft 1-2 Shift
    • A/T - 200/2004R, 325/3254L Harsh or Soft 2-3 Shift
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Hard Shifting
    • A/T - 125, 200C/200 4R, 700 R4 Hidden Residue Build Up
    • A/T - 200/2004R, 325/3254L Harsh or Soft 2-3 Shift
  • Incorrect gear selection
    • A/T - No Converter Clutch Apply When Unit Is Hot
  • Inoperative
    • A/T - No Converter Clutch Apply When Unit Is Hot
    • A/T - 2004R & 700R4 Pump Break Up
    • A/T - No Movement in Drive or 3rd Gear
  • No shift/Incorrect gear engagement
    • A/T - 200/200C/200R4, 325/3254L, 700-R4 No 2nd Gear
    • A/T - THM Late or No Upshifts
    • A/T - Slipping or No-Shift/Metal Sealing Rings
  • Sticking/Binding
    • A/T - 200R4 Bind-Ups In Reverse/No Movement
    • A/T - 125, 200C/200 4R, 700 R4 Hidden Residue Build Up
    • A/T - 200 4R & 700 R4 Pump Failure
• 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 - 2004R/700R4 Oil Pump & Slide Service
  • A/T - Pump Body/Fluid Leaks At Front Seal
  • A/T - Oil Cooler Flushing Frequently Asked Questions
  • A/T - Revised Direct Clutch Housing
  • A/T - Core Return Product Feedback Form
  • A/T - 200R4 New Solenoid Assembly
  • A/T - 200R4 Delayed Neutral To Reverse Engagement
  • A/T - Torque Converter Identification
    • Overview
    • 298 mm Identification
    • 245 mm Identification
  • A/T - 200, 325, 2004R, 3254L GM Servos
  • A/T - Engine Vacuum Testing
  • A/T - Diagnosing Converter Lock-Up Problems
    • Overview
    • Test # 1 - Checking For 12 Volts at Terminal -A-
      • Regular Method
      • Quick Method
    • Test # 2 - Checking For 12 Volts Across Fuse
    • Test # 3 - Checking For 12 Volts Across Brake Switch
    • Test # 4 - Adjusting/Replacing the Brake Switch
    • Test # 5 - Checking Wires For Shorts and Opens
    • Test # 6 - Checking For Ground at Terminal -D-
      • Regular Method
      • Quick Method
    • Test # 7 - Grounding the -D- Wire
      • Regular Method
      • Quick Method
    • Test # 8 - Checking Cooler Line Pressure or Surge
    • Test # 9 - Checking the Solenoid
    • Test # 10 - Checking Electrical Switches on Trans.
    • Test # 11 - Checking Lockup Apply Valve
    • Test # 12 - Checking Signal Oil Circuit
    • Test # 13 - Checking the Computer
  • A/T - 200R4 Valve Body Assembly Inspection
  • A/T - How To Use A Pressure Gauge
  • A/T - 200/200C/200R4, 325/3254L, 700-R4 No 2nd Gear
  • A/T - THM Late or No Upshifts
  • A/T - 200R4 Bind-Ups In Reverse/No Movement
  • A/T - 700R4, 2004R No Line Pressure Rise
  • A/T - No Converter Clutch Apply When Unit Is Hot
  • A/T - Rapid Converter Pump Bushing Wear
  • A/T - 2004R & 700R4 Pump Break Up
  • A/T - Converter Clutch Shudder
  • A/T - 125, 200C/200 4R, 700 R4 Hidden Residue Build Up
  • A/T - 200 4R & 700 R4 Pump Failure
  • A/T - 2004R/200C, 325 Soft 1-2 Shift
  • A/T - 200/2004R, 325/3254L Harsh or Soft 2-3 Shift
  • A/T - Methods to Check for Restricted Exhaust
  • A/T - Slipping or No-Shift/Metal Sealing Rings
  • A/T - Front Bushing Wear
  • A/T - Math Formulas Part I
    • Overview
    • Shift Speed and Pressure
    • Speedometer Ratios
  • A/T - Twenty Steps To Successful Repairs
  • A/T - 4L60/THM 700R4 200R4 Fluid Filter Seal
  • 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 Rear Bushing Remove and Install Procedure
  • A/T - Evaluating Peened Spacer Plates
  • Drivetrain - Recommended Axle Lubricant
  • A/T - New Band Assemblies
  • A/T - New Reverse Band Apply Pin Gage
  • A/T - Cracked Case Diagnosis
  • 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