Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 717
4.3
Intake Manifold, Removing and Instal‐
ling
Special tools and workshop equipment required
♦ Torx Socket - T30 - T10347-
♦ Flare Nut Attachment - 17mm - T10456-
If the intake manifold is removed or replaced, the Intake Manifold
Runner Position Sensor - G336- must be adapted to the Engine
Control Module - J623- .
Removing
– Disconnect the battery. Refer to ⇒ Electrical Equipment; Rep.
Gr. 27 ; Battery; Battery, Disconnecting and Connecting .
– Remove the engine cover. Refer to
⇒ “3.1 Engine Cover, Removing and Installing”, page 38
– Remove the bolts -arrows-.
– Remove the air filter housing -3-. Refer to
⇒ “3.2 Air Filter Housing, Removing and Installing”,
– Remove the left and right bolt -arrow-.
– Unclip and remove the lower section -1- of the air duct.
– Remove the noise insulation. Refer to ⇒ Body Exterior; Rep.
Gr. 66 ; Noise Insulation; Overview - Noise Insulation .
– Free up the coolant hose -3-.
– Remove the connector -1- from the Charge Air Pressure Sen‐
sor - G31- .
– Remove the bolts -arrows-.
– Loosen the air guide hose clamp -2-. Remove the air guide
hose downward from the Throttle Valve Control Module -
GX3- .
– Disconnect the connectors -1, 2 and 3- underneath the intake
manifold.
– Remove the fuel return hose -1- from the intake manifold.
Vehicles without Intake-Manifold Fuel Injection
– Unclip the line -1-.
– Disconnect the connectors -4 and 5-.
Vehicles with Intake-Manifold Fuel Injection
– Disconnect the connector -3- from the mount.
– Disconnect the connectors -4, 5 and 6-.
– Free up the wiring harness from the fuel rail.
For All Vehicles
– Remove the connector and vacuum hoses from the Intake
Manifold Runner Control Valve - N316- -1-.
– Free up the wiring harness -1 and 2- from the air guide pipe.
– Loosen the screw-type clamp -3-.
– Remove the bolts -arrows-.
– Loosen the hose clamp -arrow- and remove the left charge air
hose -1- with the air guide pipe downward.
– Remove the retaining clamp -arrow- for the high pressure line.
CAUTION
Fuel system is under pressure.
Risk of injury from fuel spraying out.
– Wear protective eyewear.
– Wear safety gloves.
– Reduce the pressure: Lay clean cloths around the connec‐
tion location and carefully open the connection point.
– Counterhold the connection -A- and loosen the union nut
-arrow-.
– Loosen the union nut on the fuel rail with the Flare Nut Attach‐
ment - 17mm - T10456- and remove the high pressure line.
Note
♦
The fuel system must have no pressure.
♦
Wipe up any leaking fuel with a clean cloth.
♦
Seal the open connections with clean caps. Make sure that no
contaminants enter the fuel system.
– Slightly loosen the nut -3- and remove the bolt -1- completely.
– Disconnect the connector -1- from the Camshaft Position Sen‐
sor - G40- .
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