SEAT Workshop Service and Repair Manuals

Removing and installing injectors Special tools and workshop equipment required

t  Torque wrench -V.A.G 1331- Carry out the following work: Removal:

–  Press locking lugs -arrows- and pull intake connection off -1- in -direction of arrow-.

–  Disconnect hose -1- at air cleaner housing. –  Pull air filter housing upwards off studs at positions -2- and -3-.

–  Release plug connectors -1- and -2- and pull off. –  Unclip retaining clips -3- for wiring harness from fuel rail.   WARNING Fuel supply pipes are pressurised. Wear eye protection and protective gloves to avoid injuries and skin contact. Before loosening hose connections, wrap a cloth around the connection. Then release pressure by carefully pulling hose off connection.

–  Unlock and disconnect fuel supply line -1- → Fuel supply system - Petrol engines; Rep. gr.20. –  Open line guide -3- and detach hoses. –  Seal line so that fuel system is not contaminated by dirt.

–  Unscrew bolts -2- from intake manifold. –  Pull fuel rail -7- with injectors -4- out of the intake manifold. –  Carefully remove retaining clip -5- of injector to be removed. –  Pull off injector from fuel rail. Installation Installation is in the reverse sequence of removal. Note the following: –  Renew seals. –  Before installing, lightly coat seals with clean engine oil. –  Ensure proper seating of seals. –  Observe installation position of retaining clips. –  Ensure proper seating of injectors -4- on injector seat -6-.

Component	Specified torque .
Fuel rail to intake manifold	7 Nm