seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Vacuum hose connection diagram > < Exhaust gas recirculation valveN18 with exhaust gas recirculation potentiometerG212: Removing and installing
Exhaust gas recirculation radiator - components overview
Exhaust gas recirculation radiator - components overview
t  The exhaust gas recirculation system is fitted with a radiator using coolant to improve the emission values.
t  Under certain operating conditions, the exhaust gases that have passed through the combustion chamber are directed to this radiator. In this way, the temperature of the exhaust gas is reduced thus reducing the temperature in the combustion chamber and improving the emission values.
t  The engine control unit decides when the gases must be directed through the radiator. By means of the exhaust gas recirculation radiator change over valve -N345- the control unit activates a vacuum chamber, which in turn activates the change over valve for the recirculation of gases.
   
Engine code BMS
1 - Coolant hose
q   To the junction hose
q   Coolant hose schematic diagram → Chapter.
2 - Seal
q   Renew
3 - 22 Nm
4 - Connecting pipe
5 - From exhaust manifold
6 - 25 Nm
q   Renew
7 - Leads to the support of the exhaust gas recirculation valve -N18- with exhaust gas recirculation potentiometer -G212-
q   Exhaust gas recirculation - Components overview → Chapter
8 - exhaust gas recirculation radiator
q   Removing and installing → Chapter
9 - 10 Nm
10 - Coolant hose
q   From the rear coolant hose
q   Coolant hose schematic diagram → Chapter.

   

Vacuum hose connection diagram > < Exhaust gas recirculation valveN18 with exhaust gas recirculation potentiometerG212: Removing and installing