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”,

page 294

 .

– 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- .