skoda Workshop Repair Guides

Skoda Workshop Service and Repair Manuals

Removing and installing parts of the exhaust gas recirculation system > < Checking the exhaust system for leaks
Exhaust gas recirculation system
Exhaust gas recirculation system
  Note
t  The exhaust gas recirculation system is operated by the diesel direct injection system control unit -J248 - via the EGR valve -N18- to the mechanical exhaust gas recirculation valve.
t  Inspecting exhaust gas recirculation and exhaust gas recirculation valve -N18-: → 1.9/74 TDI Engine, Fuel Injection; Rep. Gr.23
t  The mechanical exhaust gas recirculation valve with conically shaped valve tappet makes it possible to achieve different opening cross-sections at different valve strokes.
t  Any desired valve position is possible as a result of the pulsed operation.
t  Connection diagram for vacuum hoses → Chapter.
t  Always replace self-locking nuts.
   

Removing and installing parts of the exhaust gas recirculation system > < Checking the exhaust system for leaks