Seat Ateca 2017 Workshop Manual page 122

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
– Remove bolts -arrows-.
– Use special wrench (Polydrive) - T10070- to remove cylinder
head bolts in the sequence -1 ... 10-.
Note
Make sure all hoses/pipes and wiring are removed.
♦
Ensure tensioning rail and guide rail are not damaged when
♦
lifting off cylinder head.
– Remove cylinder head.
– Place cylinder head onto soft surface (foam plastic).
• Seal open channels of intake and exhaust gas lines with a
clean cloth or carefully cleaned plugs from engine bung set -
VAS 6122- .
Installing
Note
Replace bolts that are tightened with specified tightening an‐
♦
gle.
Gaskets, oil seals and self-locking nuts must be renewed
♦
Hose connections and air duct pipes must be free of oil and
♦
grease before assembly.
Secure all hose connections with the correct type of hose clips
♦
(same as original equipment) ⇒ Electronic parts catalogue .
Spray the worm screws of the used hose clips with penetrating
♦
spray before installing.
– Do not remove the new cylinder head gasket from its packag‐
ing until just before installation. The silicon coating and the
ribbed area of the cylinder head gasket must not be damaged.
– Carefully remove sealant residue from cylinder head and cyl‐
inder block. Ensure that no long scores or scratches are made
on the surfaces, while doing so. Carefully remove emery and
abrasive remains.
– Clean blind holes for cylinder head bolts. Blow out with com‐
pressed air if necessary.
114
Rep. gr.15 - Cylinder head, valve gear
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