volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Checking functions > < Checking intake air system for leaks (unmetered air)
4LV injection and ignition system
Checking components
Checking intake air preheating

Special tools, workshop equipment, testers, measuring instruments and auxiliary items required

  • ◆ Chilling spray (commercially available)

Checking regulating flap

  • ‒ Remove air cleaner intake support.
 
N24-0324
  • ‒ → Check control flap position -1-.
    • ‒ Above +23 °C flap must close warm air connection
    • ‒ Below +10 °C flap opens warm air connection

Note:

The function of the thermo element -2- can be checked easily by spraying with a commercial chilling agent.

Checking functions > < Checking intake air system for leaks (unmetered air)