Transmission and Drivetrain: Technical Service Bulletins

• By Symptom
  • Abnormal wear/deterioration
    • Prevention of Planetary Gear Failure
  • Chattering
    • A/T - Chattering/Bucking On Slow Cornering
  • Driveability
    • Service Helpline Updates
      • 1985 & Up L-Series MPFI Improper Engine Operation/2000 RPM
      • Impreza - Air Suction Valve Noise
      • Legacy & Impreza Engines With No Injection Pulse #1 Cylinder
      • Accessory "Outback" Wheel Covers
      • Battery Replacement
      • Diagnosing Noises Over the Phone
      • ECVT Loss of Line Pressure
      • Impreza - Installing Fog Lamp Kit
      • Legacy - 1995 Service Manual Corrections
      • Legacy - Front End Cover (BRA) - 1995
      • Obtaining Service Bulletins and Other Published Materials
  • Erratic Operation
    • Service Helpline Updates
      • 1985 & Up L-Series MPFI Improper Engine Operation/2000 RPM
      • Impreza - Air Suction Valve Noise
      • Legacy & Impreza Engines With No Injection Pulse #1 Cylinder
      • Accessory "Outback" Wheel Covers
      • Battery Replacement
      • Diagnosing Noises Over the Phone
      • ECVT Loss of Line Pressure
      • Impreza - Installing Fog Lamp Kit
      • Legacy - 1995 Service Manual Corrections
      • Legacy - Front End Cover (BRA) - 1995
      • Obtaining Service Bulletins and Other Published Materials
  • High emissions
    • Service Helpline Updates
      • 1985 & Up L-Series MPFI Improper Engine Operation/2000 RPM
      • Impreza - Air Suction Valve Noise
      • Legacy & Impreza Engines With No Injection Pulse #1 Cylinder
      • Accessory "Outback" Wheel Covers
      • Battery Replacement
      • Diagnosing Noises Over the Phone
      • ECVT Loss of Line Pressure
      • Impreza - Installing Fog Lamp Kit
      • Legacy - 1995 Service Manual Corrections
      • Legacy - Front End Cover (BRA) - 1995
      • Obtaining Service Bulletins and Other Published Materials
  • No shift/Incorrect gear engagement
    • A/T - Slipping or No-Shift/Metal Sealing Rings
  • Noise
    • Service Helpline Updates
      • 1985 & Up L-Series MPFI Improper Engine Operation/2000 RPM
      • Impreza - Air Suction Valve Noise
      • Legacy & Impreza Engines With No Injection Pulse #1 Cylinder
      • Accessory "Outback" Wheel Covers
      • Battery Replacement
      • Diagnosing Noises Over the Phone
      • ECVT Loss of Line Pressure
      • Impreza - Installing Fog Lamp Kit
      • Legacy - 1995 Service Manual Corrections
      • Legacy - Front End Cover (BRA) - 1995
      • Obtaining Service Bulletins and Other Published Materials
  • Slipping
    • A/T - Slipping or No-Shift/Metal Sealing Rings
• All Technical Service Bulletins
  • Vehicle - Recommended Service Materials
  • Engine - Tie Down Procedure to Prevent Damage
  • A/T, M/T - Crossmember Service Precautions
  • Service Helpline Updates
    • 1985 & Up L-Series MPFI Improper Engine Operation/2000 RPM
    • Impreza - Air Suction Valve Noise
    • Legacy & Impreza Engines With No Injection Pulse #1 Cylinder
    • Accessory "Outback" Wheel Covers
    • Battery Replacement
    • Diagnosing Noises Over the Phone
    • ECVT Loss of Line Pressure
    • Impreza - Installing Fog Lamp Kit
    • Legacy - 1995 Service Manual Corrections
    • Legacy - Front End Cover (BRA) - 1995
    • Obtaining Service Bulletins and Other Published Materials
  • A/T - Engine Vacuum Testing
  • A/T - How To Use A Pressure Gauge
  • A/T - Chattering/Bucking On Slow Cornering
  • A/T - Drive Axle and Wheel Lug Nut Torque Specifications
  • A/T - High or Low Line Pressure
  • 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 - Math Part II
  • A/T - Choosing the Right ATF
  • Prevention of Planetary Gear Failure
  • M/T - Warranty Information Regarding Abusive Driving
  • M/T - Clutch Pedal Squeaking Noise
  • A/T - Remanufactured Automatic Transaxle Program