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Hose connection diagram for exhaust gas recirculation > < Removing and installing exhaust manifold (right-side) with intermediate pipe

A4 Mk2

Exhaust gas recirculation system
Exhaust gas recirculation system
t  The exhaust gas recirculation system is actuated by the diesel direct injection system control unit -J248- via the exhaust gas recirculation valve -N18- and the mechanical exhaust gas recirculation valve.
t  The tapered plunger in the mechanical exhaust gas recirculation valve varies the opening cross section according to valve travel.
t  Pulsed actuation makes it possible to obtain any required valve position.
   

Hose connection diagram for exhaust gas recirculation > < Removing and installing exhaust manifold (right-side) with intermediate pipe