SEAT Workshop Service and Repair Manuals

Removing and installing intake manifold t  Removing → Anchor t  Fitting → Anchor

Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter.

Special tools and workshop equipment required

t	Base -3314-, see equivalent → Anchor

t	Socket wrench insert -T40055-, see equivalent → Anchor

t	Wrench XZN 8 -T40159-, see equivalent → Anchor

t	Torque wrench -VAG 1331-, see equivalent → Anchor.

t	Ratchet 1/2' x 9-12 -VAG 1331/1-, see equivalent → Anchor

t	Torque wrench insert -VAG 1331/6-, see equivalent → Anchor

Removing   WARNING t  Always read rules for cleanliness and instructions for working on fuel system → Chapter. t  Always follow these rules for cleanliness and instructions before starting work and while working on the fuel system.

–  Loosen the engine cover at the locations -arrows- and remove.

–  Unscrew the securing bolts -arrows- and remove the engine soundproofing..

–  Loosen the angled bracket -1- and -2- and remove the right hose from the charged air cooler.

–  Remove bolts -arrows-. –  Free coolant hose -3-. –  Release the hose clamp -2-. –  Unplug electrical connector -1- at charge air pressure sender -G31-/charge air pressure sender -G42- and remove the right air intake pipe. –  Detach the electrical connectors on the glow plugs → Chapter.   Caution Pay particular attention not to damage the wires when removing the connections, because otherwise it would be necessary to replace the entire wiring harness. Do not press pliers -3314- together excessively when removing the connection, because otherwise the bearing supports could be damaged.

–  Remove exhaust gas recirculation cooler changeover valve -N345--left arrow- from bracket and lay aside.

–  Unscrew bolts -2-, place coolant return line to one side.

–  Unscrew bolts -arrows-, lay coolant return line aside.

–  Unscrew bolt -2- and union nuts -1, 3-; remove high-pressure line.

–  Unscrew the union nuts -1- for high-pressure pipes on injectors using socket insert -T40055-. –  Unscrew the union nuts for high pressure pipes on fuel rail with the open-ended pin tool -VAG 1331/6-. –  Place the removed high-pressure lines on a clean cloth.

–  Remove the fuel rail, unscrewing the two bolts -arrows-.

–  Disconnect electrical connection -2- on throttle valve control unit -J338-. –  Remove bolt -1- for dipstick guide tube.

–  Unscrew the support flange -1- and the bolts -2- from the connecting pipe of the exhaust gas recirculation and and remove the pipe.

–  Remove the fixing bolts of the intake manifold -arrows- in diagonal sequence starting from outside and working inwards using socket XZN 8 -T40159-. –  Remove the intake manifold. Fitting Carry out the assembly operations in reverse order to those described for the disassembly, taking the following into account: l  Specified torque → Chapter „Assembly overview - intake manifold with attachments“. –  Renew the seals. –  Tighten the fastening bolts of the intake manifold crosswise from the outside to the inside. –  Install air pipe at the front → Chapter. –  Fit the centre sound proofing → Exterior body installation work; Rep. gr.50 .