Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 675
4.2
Camshaft, Removing and Installing
⇒ “4.2.1 Camshaft, Removing and installing. Engine Codes
CXBA, CNSA, CXBB, and CNSB”, page 136
⇒ “4.2.2 Camshaft, Removing and Installing, Engine Codes
4.2.1
Camshaft, Removing and installing. En‐
gine Codes CXBA, CNSA, CXBB, and
CNSB
Special tools and workshop equipment required
♦ Central Valve Assembly Tool - T10352-
♦ Counterhold - Vibration Damper - T10355-
♦ Chain Tensioner Lever - T40243-
♦ Tensioner Locking Tool - T40267-
♦ Camshaft Locks - T40271-
♦ Adapter - T40266-
♦ Sealant - D 154 103 A1-
Removing
Note
♦
The sealing surfaces of the lower cylinder head cover and on
the upper cylinder head must not be reworked.
♦
The camshaft bearings are integrated in the cylinder head or
cylinder head cover. The tension must be released from the
camshaft timing chain before removing the cylinder head cov‐
er.
♦
When installing, secure all cable ties back to same positions.
– Remove the air filter housing. Refer to
⇒ “3.2 Air Filter Housing, Removing and Installing”,
– Remove the upper coolant pipe. Refer to
⇒ “3.3 Upper Coolant Pipes, Removing and Installing”,
– Remove the ignition coils. Refer to
⇒ “1.3 Ignition Coils with Power Output Stages, Removing and
.
– Free up the connector from the clip -4- and pivot it forward.
– Release the retainers -arrow-, remove the wiring duct upward
from the bracket and move it towards the front.
– Remove bolts -1, 2 and 3-. Carefully swing coolant line back‐
ward slightly.
NOTICE
Risk of destroying the coolant pipes through deformation.
– Never change the coolant pipe bent shape.
– Disconnect the connector -1- from the EVAP Canister Purge
Regulator Valve 1 - N80- .
– Press the release button on the crankcase ventilation hose
-2- and remove the hose.
– Remove the bolts -arrows- and the crankcase ventilation.
– Remove the high pressure pump. Refer to
⇒ “7.2 High Pressure Pump, Removing and Installing”,
.
– Remove the vacuum pump. Refer to
⇒ “1.4 Vacuum Pump, Removing and Installing”, page 100
.
– Support the engine in its installed position. Refer to
⇒ “2.5 Engine, Supporting in Installed Position”, page 33
– Remove the engine bracket. Refer to
⇒ “2.2 Engine Mount, Removing and Installing”, page 30
– Remove the noise insulation. Refer to ⇒ Body Exterior; Rep.
Gr. 66 ; Noise Insulation; Overview - Noise Insulation .
– Remove the right wheel housing liner front section. Refer to ⇒
Body Exterior; Rep. Gr. 66 ; Wheel Housing Liner; Front
Wheel Housing Liner, Removing and Installing .
– Remove engine support. Refer to
⇒ “1.6 Engine Support, Removing and Installing”, page 55
– Remove timing chain upper cover. Refer to
⇒ “2.2.1 Upper Timing Chain Cover, Removing and Installing”,
.
– Turn the vibration damper with the Counterhold - Vibration
Damper - T10355- to the “TDC point”.
• The markings -1- on the camshaft chain sprockets must be
opposite the markings -2 and 3-.
• The notch on the vibration damper and the marking on the
lower cover for timing chain -arrow- must be opposite one an‐
other.
– Remove the lower timing chain cover. Refer to
⇒ “2.2.2 Lower Timing Chain Cover, Removing and Installing”,
Note
The pilot valve has left-hand threads.
– Remove the left and right pilot valves using the Assembly Tool
- T10352/2- in the direction of the -arrow-.
– Remove the bolts -arrows- and remove the bearing bracket.
– Remove the bolts -arrows-.
– Install the Chain Tensioner Lever - T40243- -arrows-.
– Press the chain tensioner locking ring -1- together and hold it.
– Slowly press and hold the Chain Tensioner Lever - T40243-
in the direction of -arrow-.
– Secure the chain tensioner with the Tensioner Locking Tool -
T40267- .
– Remove the Chain Tensioner Lever - T40243- .
– Bolt the Camshaft Lock - Component 2 - T40271/2- to the cyl‐
inder head and slide into the splines on the chain sprocket in
the direction of -arrow 2-. Rotate the intake camshaft with the
Adapter - T40266- -1- if necessary.
– Install the Camshaft Lock - Component 1 - T40271/1- on the
cylinder head.
For the following steps a second technician is necessity.
– Hold the exhaust camshaft with the Adapter - T40266- in the
direction of the -arrow A-. Remove the bolt -1- and guide the
tensioning rail -2- downward. Turn the camshaft clockwise
-A- until the Camshaft Lock - Component 1 - T40271/1- in the
direction of -arrow B- can be pushed in the chain sprocket
splines -arrow C-.
– Check the installation position -arrow C- of the Camshaft Lock
- Component 1 - T40271/1- .
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