Seat Ateca 2017 Workshop Manual page 162

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
1 - Exhaust valve
❑ Do not rework. Only lap‐
ping in is permitted.
❑ Valve mass
⇒ page 199
❑ Checking valve guides
⇒ page 198 .
2 - Cylinder head
3 - Valve stem seal
❑ Replace
⇒ "4.7.1 Removing and
installing valve stem oil
seals (cylinder head in‐
stalled)", page 188
⇒ "4.7.2 Removing and
installing valve stem oil
seals (cylinder head re‐
moved)", page 193
4 - Valve spring
5 - Valve spring plate
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
6 - Valve cotters
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.
7 - Hydraulic compensation el‐
ement
❑ Do not exchange posi‐
tion
❑ Oil contact surface
8 - Securing clip
❑ For the hydraulic valve
compensation element
9 - Roller rocker finger
❑ Removing and fitting
⇒ "4.2 Removing and in‐
stalling camshaft",
page 158
❑ Mark installation position for re-installation
❑ Check tapered roller bearing for ease of movement.
❑ Lubricate contact surfaces before installing
10 - Exhaust camshaft
❑ Removing and fitting
❑ Check radial play with a Plastigage thread (with roller rocker arms removed)
❑ Radial clearance: 0.024 ... 0.066 mm
❑ Maximum eccentricity: 0.04 mm
11 - Spring
❑ Not available as a separate replacement part
12 - Ball
❑ for forked sleeve
❑ Fitting ⇒ page 185
13 - Rocker finger cover
❑ With integrated camshaft bearings.
❑ Clean sealing surface; machining not permitted
❑ Remove any remaining sealant
154
Rep. gr.15 - Cylinder head, valve gear
⇒ page 158