1.9L - Exhaust System, Emission Controls - ALH, BEW (Generic Scan Tool) (A4 Platform)

• Exhaust System, Emission Controls
  • Exhaust System Components, Removing And Installing
    • Notes
    • Front Exhaust Pipe And Catalytic Converter With Attachments (Vehicles up to 04.99)
    • Front Exhaust Pipe And Catalytic Converter With Attachments (Vehicles 05.99 and up)
    • Mufflers With Mounts
      • Notes
      • Installation position of double clamp
      • Installation position of muffler suspension
      • Separation point at exhaust pipe
      • Installing rear muffler free of tension
  • Exhaust Gas Recirculation (EGR) system
    • Notes
    • Function
    • Parts of Exhaust Gas Recirculation (EGR) system, removing and installing
    • Connection diagram for vacuum hoses
    • EGR Vacuum Regulator Solenoid Valve, checking
      • Recommended special tools and equipment
      • Test sequence
    • Checking EGR Vacuum Regulator Solenoid Valve
      • Recommended special tools and equipment
      • Test requirements
        • Notes
        • Vehicles with 80-pin control module
        • Vehicles with 121-pin control module
        • Continuation for all vehicles