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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.
3
Valve control
⇒ “3.1 Assembly overview - valve gear”, page 102
⇒ “3.2 Measuring axial play of camshaft”, page 104
⇒ “3.3 Removing and installing camshaft adjuster”, page 104
⇒ “3.4 Removing and installing toothed belt pulley”, page 108
⇒ “3.5 Removing and installing camshaft oil seal”, page 111
⇒ “3.6 Valve 1 for variable distribution N205 removing and fitting”,
page 116
⇒ “3.7 Removing and installing valve stem seals”, page 117
3.1
Assembly overview - valve gear
1 - Inlet valve
❑ Not to be reworked; only
grinding-in permissible
❑ Valve dimensions
❑ Valve guides: check
2 - Outlet valve
❑ Not to be reworked; only
grinding-in permissible
❑ Valve dimensions
❑ Valve guides: check
3 - Cylinder head
4 - Valve stem oil seal
❑ Replace
5 - Valve spring
❑ Installation position
6 - Valve plate spring
7 - Valve cotter
8 - Roller rocker finger
❑ Removing and installing
❑ Mark installation posi‐
tion for re-installation
❑ Check tapered roller
bearing for ease of
movement.
❑ Lubricate contact surfaces before installing.
9 - Securing clip
❑ For hydraulic compensation element
10 - Hydraulic compensation element
❑ Do not interchange
León 2013 ➤ , León ST 2013 ➤
4-cylinder petrol engine (1.2 l direct injection, 4 V, turbocharger, EA211) - Edition 02.2017
102
Rep. gr.15 - Cylinder head, valve gear