Arteon 2018 ➤, Arteon 2021 ➤, Arteon Shooting Brake 2021 ➤, Golf 2013 ➤, Golf 2 ...
4-cyl. direct injection engine (1.8 l and 2.0 l, 4 V, EA 888 gen III, turbocharger, chain drive) - Edition
02.2021
15 – Cylinder head, valve gear
1
Cylinder head
⇒ a1.2 nd installing cylinder head”, page 145
⇒ a1.3 nd installing vacuum pump”, page 152
⇒ c1.4 ompression”, page 154
1.1
Assembly overview - cylinder head
Note
♦ Renew cylinder head bolts.
♦ Always renew self-locking nuts, bolts which have been tight‐
ened with turning further angle, as well as oil seals and
gaskets.
♦ The plastic protectors fitted to protect the open valves must
only be removed immediately before fitting the cylinder
head.
♦ After fitting a new cylinder head or cylinder head gasket, the
engine oil and coolant must be changed.
142
Rep. gr.15 - Cylinder head, valve gear
Arteon 2018 ➤, Arteon 2021 ➤, Arteon Shooting Brake 2021 ➤, Golf 2013 ➤, Golf 2 ...
4-cyl. direct injection engine (1.8 l and 2.0 l, 4 V, EA 888 gen III, turbocharger, chain drive) - Edition
02.2021
1 - Dowel pin
2 - Cylinder head gasket
❑ Renew
❑ Observe installation po‐
sition: Part number to
cylinder head
3 - Cylinder head
❑ Removing and instal‐
ling ⇒ page 145
❑ Check for distortion ⇒
page 145 .
4 - Bolt
❑ Renew
❑ Note procedure when
loosening ⇒ page 144 .
❑ Note procedure when
tightening ⇒ page 144 .
❑ 8 Nm +90° further
5 - Heat shield
6 - Bolt
❑ 9 Nm
7 - Bolt
❑ 9 Nm
8 - Heat shield
9 - Bolt
❑ 9 Nm
10 - Bolt
❑ 9 Nm
11 - Union
❑ For coolant hose
12 - O-ring
❑ Renew
❑ Moisten with coolant
13 - Cylinder head bolt
❑ Renew
❑ Note procedure when loosening ⇒ page 144 .
❑ Note procedure when tightening ⇒ page 144 .
14 - O-ring
❑ Renew
❑ Moisten with coolant
15 - Union
❑ For coolant hose
16 - Bolt
❑ 9 Nm
17 - Support
❑ For engine cover panel
18 - Engine lifting eye
19 - Bolt
1. Cylinder head
143
Arteon 2018 ➤, Arteon 2021 ➤, Arteon Shooting Brake 2021 ➤, Golf 2013 ➤, Golf 2 ...
4-cyl. direct injection engine (1.8 l and 2.0 l, 4 V, EA 888 gen III, turbocharger, chain drive) - Edition
02.2021
❑ Renew
❑ 8 Nm +90°
20 - Partition
21 - Support
❑ For engine cover panel
22 - Engine lifting eye
23 - Bolt
❑ Renew
❑ 8 Nm +90°
24 - Dowel pin
Loosening cylinder head bolts
– Unscrew bolts -arrows-.
– Loosen cylinder head bolts in the sequence -1 … 10-.
Tightening sequence for cylinder head
– Tighten cylinder head bolts in the sequence -1 … 10- as
follows:
Stage
Bolts
Specified torques/angle specifica‐
tions
1
2
3
4
5
6
-1 to 10-
-1 to 10-
-1 to 10-
-1 to 10-
-Arrows-
-Arrows-
Screw in by hand as far as stop
50 Nm
Turn 90° further
Turn 90° further
8 Nm
Turn 90° further
144
Rep. gr.15 - Cylinder head, valve gear
Arteon 2018 ➤, Arteon 2021 ➤, Arteon Shooting Brake 2021 ➤, Golf 2013 ➤, Golf 2 ...
4-cyl. direct injection engine (1.8 l and 2.0 l, 4 V, EA 888 gen III, turbocharger, chain drive) - Edition
02.2021
Checking cylinder head for distortion
– Use straight edge 500 mm -VAS 6075- and feeler gauge to
measure cylinder head for distortion at several points.
♦ Max. permissible distortion: 0.05 mm
1.2
Removing and installing cylinder head
Special tools and workshop equipment required
♦ Engine bung set -VAS 6122-
♦ Standard blade scraper (blade width min. 40 mm)
Removing
Note
♦ Before the cylinder head is removed, the engine support and
engine mounting must be reinstalled temporarily, because
the eyes of the support bracket are secured to the cylinder
head.
♦ Fit the cable ties in the original position when installing.
♦ Seal open channels of intake and exhaust system with suita‐
ble plugs from engine bung set -VAS 6122-.
♦ Cover the openings in the gearbox with a cloth to prevent
any coolant from getting into the clutch housing.
– Remove air filter housing ⇒ page 443 .
– Unscrew bolt -arrow- on left and right.
1. Cylinder head
145
Arteon 2018 ➤, Arteon 2021 ➤, Arteon Shooting Brake 2021 ➤, Golf 2013 ➤, Golf 2 ...
4-cyl. direct injection engine (1.8 l and 2.0 l, 4 V, EA 888 gen III, turbocharger, chain drive) - Edition
02.2021
– Unclip lower part of air duct -1- and remove it.
– Remove camshafts ⇒ page 199 .
– Reinstall engine support and engine mounting, and tighten
bolts by hand.
– Detach spindles of support bracket -10 - 222 A-.
– Drain coolant ⇒ page 278 .
– Remove front exhaust pipe with catalytic converter ⇒ page
550 .
– Remove Lambda probe 1 before catalytic converter -GX10-
⇒ page 497 .
– Release hose clip -2- and detach right charge air hose from
charge air cooler.
– Seal open lines and connections with clean plugs from en‐
gine bung set -VAS 6122-.
– Release hose clip -2-.
146
Rep. gr.15 - Cylinder head, valve gear