2.4 Cleaning injectors

5 - O-ring ❑ Renew after removal ❑ Lubricate with clean engine oil. 6 - Spacer ring ❑ Renew if damaged 7 - Injector ❑ Removing and installing ⇒ “2.3 Removing and installing injectors”, page 386 8 - Combustion chamber seal ❑ Do not treat with grease or other lubricant. ❑ Renewing ⇒ “2.3 Removing and installing injectors”, page 386 9 - High-pressure pipe ❑ Renew after removal ❑ Unions must be free of damage ❑ Do not alter shape. ❑ Removing and installing ⇒ “7.3 Removing and installing high-pressure pipe”, page 427 ❑ Lubricate thread of union nuts with clean engine oil

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not❑ 16 Nm + 45° permitted unless authorised by SEAT S.A. SEAT S.A does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by SEAT S.A.

2.2 Removing and installing fuel rail

Removing – Remove intake manifold ⇒ page 400 . – Remove high-pressure pipe ⇒ page 427 . – Seal lines so that no dirt can enter fuel system. Vehicles with radiator, version 1

– Unplug electrical connector -1-. – Unscrew bolts -arrows-, and carefully pull fuel rail -2- off in‐jectors.

Vehicles with radiator, version 2

– Unplug electrical connector -1-. – Unscrew bolts -arrows-, and carefully pull fuel rail -2- off in‐jectors. Installing Install in reverse order of removal, observing the following:

Note

Renew O-ring ⇒ Item 5 (page 383) .

– Apply mountings on fuel rail onto injectors. – Press fuel rail onto injectors as far as stop (first on right side, then on left side). – Firmly press down fuel rail in area of bracket and screw in bolts by two full turns. – Tighten bolts to specified torque. – Install high-pressure pipe ⇒ “7.3 Removing and installing high-pressure pipe”, page 427 . – Install intake manifold ⇒ “4.2 Removing and installing intake manifold”, page 400 . Specified torques ♦ ⇒ “2.1 Assembly overview - fuel rail with injectors”, page 383

2.3 Removing and installing injectors

Special tools and workshop equipment required ♦ Tool set for FSI engines - T10133 C- with -T10133/16A- and -T10133/19-

Note

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by SEAT S.A. SEAT S.A does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by SEAT S.A.

Injectors must only be removed when the engine is cold.