CC 2010 ➤ , Eos 2006 ➤ , Golf 2004 ➤ , Golf 2009 ➤ , Passat 2006 ➤ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
2
Cylinder head
Removing and installing engine cover panel ⇒ page 141 .
Removing and installing cylinder head ⇒ page 142 .
Compression test ⇒ page 178 .
Removing and installing vacuum pump ⇒ page 180 .
2.1
Assembly overview - cylinder head
Note
♦ If the cylinder head bolts have multi-point sockets and a shoul‐
der, the camshafts must be removed before the cylinder head
bolts are unscrewed.
♦ When assembling, renew self-locking nuts, bolts that are tight‐
ened by turning further angle, as well as seals and gaskets.
♦ The plastic protectors fitted to protect the open valves must
only be removed immediately before fitting the cylinder head.
1 - Cylinder head gasket
❑ Renew
❑ Observe installation po‐
sition: Part number to
cylinder head
2 - Bolt
❑ 25 Nm
3 - Transportation shackle
4 - Bolt
❑ Tightening sequence
⇒ page 140
5 - Cylinder head
❑ Removing and installing
⇒ page 142
❑ Check for distortion
⇒ page 140 .
❑ Renew oil non-return
valve in cylinder head
⇒ page 140
6 - Cylinder head bolt
❑ Renew
❑ Note sequence when
loosening ⇒ page 139 .
❑ Note correct sequence
when tightening
⇒ page 140 .
7 - O-ring
❑ Renew
❑ Lubricate with engine oil
8 - Plug
❑ 5 Nm
2. Cylinder head
137
CC 2010 ➤ , Eos 2006 ➤ , Golf 2004 ➤ , Golf 2009 ➤ , Passat 2006 ➤ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
❑ With ball head for engine cover panel
9 - Cap
❑ With seal
10 - O-ring
❑ Renew
❑ Lubricate with engine oil
11 - Plug
12 - Bracket
13 - Bolt
❑ 9 Nm
14 - Heat shield
15 - Bolt
❑ 20 Nm
16 - Bolt
❑ 20 Nm
17 - To intake hose/turbocharger
18 - Breather pipe
19 - O-ring
❑ No replacement part
20 - Seal
❑ No replacement part
21 - Engine cover panel
22 - Bolt
❑ Self-tapping
❑ Tightening sequence ⇒ page 139
23 - Crankcase ventilation
❑ Note correct sequence when tightening ⇒ page 139 .
24 - To intake manifold
25 - Seal
❑ Renew if damaged
26 - Seal
❑ Renew
27 - Vacuum pump
❑ Removing and installing ⇒ page 180
28 - Securing bolts for vacuum pump
❑ Engine codes CAWA, CAWB, CBFA, CCTA, CCTB, BZB, CGYA: 9 Nm
❑ Engine codes CCZA, CCZB, CCZC, CCZD, CDAA, CDAB: 8 Nm + additional 180° turn
Renew after removal
29 - 9 Nm
❑ Only engine code CBFA
30 - Secondary air inlet valve - N112-
❑ Only engine code CBFA
❑ Removing and installing ⇒ page 559
31 - Seal
❑ Only engine code CBFA
138
Rep. gr.15 - Cylinder head, valve gear
CC 2010 ➤ , Eos 2006 ➤ , Golf 2004 ➤ , Golf 2009 ➤ , Passat 2006 ➤ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
❑ Renew
32 - Retaining plate
33 - Bolt
❑ 9 Nm
34 - Union
❑ Engine code CBFA: before removal, secondary air inlet valve - N112- must be removed ⇒ page 559
35 - O-ring
❑ Renew
❑ Lubricate with coolant
36 - Bolt
❑ 25 Nm
37 - Transportation shackle
38 - Bolt
❑ 9 Nm
39 - Hall sender - G40-
40 - Partition
Crankcase breather system - tightening torque
– Tighten bolts for crankcase breather in the sequence
-1 … 10- to 11 Nm.
Loosening cylinder head bolts
Note
♦ If the cylinder head bolts have multi-point sockets and a shoul‐
der, the camshafts must be removed before the cylinder head
bolts are unscrewed.
♦ If a cylinder head cover without sealing plugs for the cylinder
head bolts -5- is installed, the camshafts must be removed.
– Unscrew bolts -arrows-.
– Slacken cylinder head bolts in the sequence -1 … 5-.
2. Cylinder head
139
CC 2010 ➤ , Eos 2006 ➤ , Golf 2004 ➤ , Golf 2009 ➤ , Passat 2006 ➤ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
Cylinder head - tightening sequence, camshaft installed
– Tighten cylinder head bolts in the sequence -1 … 5- as follows:
1 - Tighten initially to 40 Nm using torque wrench
2 - Turn 90° further using rigid wrench
3 - Turn 90° further using rigid wrench
– Then tighten bolts -arrows-.
1 - Pre-tighten bolts to 8 Nm
2 - Turn bolts 90° further using rigid wrench
Cylinder head - tightening sequence, camshaft removed
– Tighten cylinder head bolts in the sequence -1 … 10- as fol‐
lows:
1 - Tighten initially to 40 Nm using torque wrench
2 - Turn 90° further using rigid wrench
3 - Turn 90° further using rigid wrench
– Then tighten bolts -arrows-.
1 - Pre-tighten bolts to 8 Nm
2 - Turn bolts 90° further using rigid wrench
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.
2.2
Renewing oil non-return valve in cylin‐
der head
Special tools and workshop equipment required
♦ Hooks e.g. assembly tool - T10118-
140
Rep. gr.15 - Cylinder head, valve gear
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