SEAT Workshop Service and Repair Manuals > Leon Mk1 > Power unit | 4 cylinder Injection engine (1.4 litre direct injection engine, turbocharger and chain control) | Mixture preparation system, electronic inj.,Gas

Fuel rail with injectors - Assembly overview

1 -

O ring

Replace

q	Before installing moisten with clean engine oil

2 -	Elastic element

q	Renew each time after removing lower part of intake manifold.

q	Ensure proper seating on injector.

3 -	Injector, cylinder 4 -N33-

q	Injector, cylinder 1 -N30-

q	Injector, cylinder 2 -N31-

q	Injector, cylinder 3 -N32-

q	With Teflon seal and support washer.

q	After removing injector, Teflon seal and support washer must be renewed → Chapter.

q	Removing and installing injectors → Chapter.

4 -	Intake manifold lower part

Caution

If only lower part of intake manifold is to be removed, ensure injectors remain in cylinder head.

If necessary, have a 2nd mechanic counterhold injectors.

Reason: After dismounting the injector, the Teflon seal and support washer should be replaced → Chapter.

q	To remove and install: using "bracket for bits 5/16""" -V.A.G 1766/2- and Bit -3320/2- → Fig.

q	To remove, removing and installing regulating flap control unit -J808-, throttle valve module -J338- and intake manifold → Chapter.

Removing and installing lower part of intake manifold

To remove and install the securing bolt -arrow- use Holder for 5/16 inch bits -V.A.G 1766/2- and Bit -3320/2-.

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