SEAT Workshop Service and Repair Manuals

Exhaust gas recirculation cooler: Installing and removing, engine code letters BKC, BXE, BXF t  Removing → Anchor t  Installing → Anchor t  Tightening torques → Anchor Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter. Special tools and workshop equipment required

t  Torque wrench kit -SAT 8010-, see equivalent → Anchor

t  Base -T20174-, see equivalent → Anchor Removing –  Drain coolant → Chapter.

–  Unplug electrical connector -2- at air mass meter -G70-. –  Disconnect the breather hose -1- and the air conduit hoses -3- and -5-. –  Remove bolt -4- and take out air cleaner housing.

–  Lay the lines -1 ... 3- on the air pipe open. –  Remove air duct by lifting retaining clips -arrows- slightly.   Note The coolant hose -1- and fuel pipes -2- and -3- must remain connected.

–  Detach electrical connector -arrow- on the intake manifold flap motor -V157-. –  Extract bolts -1... 3- and remove the Intake manifold flap motor -V157- .

–  Pull off vacuum hose -3- on the exhaust gas recirculation valve -N18-. –  Extract the tube going to the crankshaft breather case -4- on the air duct tube. –  Release the spring types clips -1- on the exhaust gas turbocharger using the tool -T20174- . –  Leave the vacuum hoses open -arrow-. –  Unscrew bolts -2- and -5- and remove the air duct.

–  Remove the coolant hose -1- and -2- from the exhaust gas recirculation cooler using the support tool -T20174-.

–  Remove the coolant hoses -1- and -2- using the support tool -T20174-.

–  Detach hose connection element -2- from the hose assembly on the solenoid valve block by releasing retaining tab. –  Disconnect the vacuum hose -1- on the oil retention valve for the brake servo.

–  Detach, from the tandem pump, the vacuum hose -arrow- going to brake servo.

–  Unscrew the suspension ring from the engine -arrow- on the rear of the cylinder head.

–  Unscrew the junction tube on the lower part of the exhaust gas change-over valve -arrow-.

–  Unscrew bolts -arrows-.

–  Unscrew the exhaust gas cooler with the change-over valve from the intake manifold -arrows- and extract it. Installing Continue the installation in the reverse order of removal sequence, observing the following:   Note t  Always replace gaskets, O-rings and self-locking nuts. t  Note the installation position of intake manifold gasket. t  Secure all hose connections with serial hose clips → Electronic parts catalogue. –  Fit the supercharger air system hoses and observe the assembly instructions → Chapter. –  Fill up coolant → Chapter. Tightening torques

Component		Nm
Exhaust gas recirculation system radiator to bracket		10
Exhaust gas recirculation connecting pipe to exhaust manifold		22 → Remark
Exhaust gas recirculation connecting pipe to exhaust gas recirculation radiator		22 → Remark
Air hose (rear) to bracket		10

1)  Renew nuts.