Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 678
Note
Tighten the bolts -1 and 4- with an additional turn after installing
the vibration damper. The bolts must be removed again to install
the vibration damper.
– Install the vibration damper. Refer to
⇒ “1.4 Vibration Damper, Removing and Installing”, page 47
– Install the upper timing chain cover. Refer to
⇒ “2.2.1 Upper Timing Chain Cover, Removing and Installing”,
– Install the ribbed belt tensioning damper. Refer to
⇒ “1.3 Ribbed Belt Tensioner, Removing and Installing”, page
– Install the ribbed belt. Refer to
⇒ “1.2 Ribbed Belt, Removing and Installing”, page 46
.
– Install the vacuum pump. Refer to
⇒ “1.4 Vacuum Pump, Removing and Installing”, page 100
– Install the high pressure pump. Refer to
⇒ “7.2 High Pressure Pump, Removing and Installing”,
The rest of the installation is performed in reverse order of re‐
moval, noting the following:
– After performing work on the chain drive the adaptation value
in the Engine Control Module (ECM) must be adapted. To do
this turn on the ignition and select the following menu items on
the Vehicle Diagnostic Tester :
♦
01 - Engine Electronics
♦
Guided Functions
♦
01 - Adaptation After Repair Work on the Chain
Drive
Tightening Specifications
♦ Refer to
⇒ “3.1 Overview - Camshaft Timing Chain”, page 114
.
♦ Refer to
⇒ “3.2 Overview - Balance Shaft Drive Chain”, page 116
♦ Refer to
⇒ “4.1 Overview - Valvetrain”, page 133
♦ Refer to
⇒ “3.1 Overview - Air Filter Housing”, page 293
.
♦ Refer to
⇒ “7.1 Overview - High Pressure Pump”, page 325
♦ Refer to ⇒ Body Exterior; Rep. Gr. 66 ; Noise Insulation;
Overview - Noise Insulation .
4.2.2
Camshaft, Removing and Installing, En‐
gine Codes CNTA, CXCA, CXCB
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. Before removing the cylinder head cover,
release the tension on the camshaft timing chain.
♦
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
– Disconnect the connectors:
1 - For Turbocharger Recirculation Valve - N249-
2 - For Camshaft Position Sensor 3 - G300-
3 - For Fuel Pressure Regulator Valve - N276-
– Disconnect the connectors -arrows- from the cam adjustment
actuator.
– Remove the bolt -5- and free up the ground cable.
– Free up the connector from the clip -4- and pivot it forward.
– Release the retainers in direction of -arrow-, remove the wiring
duct upward from the bracket and move it towards the front.
NOTICE
Risk of destroying the coolant pipes through deformation.
– Never change the coolant pipe bent shape.
– Remove bolts -1, 2 and 3-. Carefully swing coolant line back‐
ward slightly.
– 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 -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- .
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