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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.
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
6 - Valve cotters
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 ⇒ page 158
❑ 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
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
154 Rep. gr.15 - Cylinder head, valve gear
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