Seat Ateca 2017 Workshop Manual page 204

Ateca 2017 ➤ , León 2013 ➤ , León ST 2013 ➤
4 cyl. petrol engine (1.8 l and 2.0 l with direct injection, 4 V, exhaust gas turbocharger, timing chain,
EA 888 III. Gen) - Edition 10.2018
For exhaust side
– Screw retainer - VAS 5161/6- with guide fork - VAS 5161/5-
into outer thread of guide plate - VAS 5161/19C- .
– Press down assembly cartridge - VAS 5161/8- and at the same
time, turn knurled screw of assembly cartridge - VAS 5161/8-
clockwise until tips engage in valve cotters.
– Move knurled screw back and forth slightly. This causes the
valve cotters to be pressed apart and taken into the assembly
cartridge.
– Release pressure fork - VAS 5161/2- .
– Take out assembly cartridge - VAS 5161/8- .
– Pull off valve stem seals using valve stem seal puller - 3364- .
Installing valve stem seals
• To ensure the new valve stem seal -4- is not damaged during
installation, the plastic sleeve -3- must be mounted on the
valve stem -2-.
• Distinguishing between valve stem oil seals
– Lightly oil sealing lip of valve stem seal.
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
– Slide valve stem oil seal onto plastic sleeve.
respect to the correctness of information in this document. Copyright by SEAT S.A.
– Carefully press valve stem oil seal onto valve guide using
valve stem seal fitting - 3365- tool.
– Take out plastic sleeve.
– Position the valve spring and the valve spring plate.
– Set up removal and installation device for valve cotters - VAS
5161- as shown.
196
Rep. gr.15 - Cylinder head, valve gear
⇒ page 156