volkswagen Workshop Repair Guides

Volkswagen Golf Workshop Service and Repair Manuals

Checking temperature regulator > < Air filter
Checking automatic intake air preheating
Checking automatic intake air preheating
–  Pull hose from brass connection or plastic connection with notch on the temperature regulator and check function of control flap via suction. Flap must close and open audibly; if necessary:
–  Check vacuum hoses.
–  Check smooth movement of vacuum unit control flap.
   

Checking temperature regulator > < Air filter