SEAT Workshop Service and Repair Manuals

Removing and installing high-pressure reservoir 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	Socket wrench insert -T40055-, see equivalent → Anchor

t	Torque wrench (5... 50 Nm) -V.A.G 1331-, see equivalent → Anchor

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

t	Insert e/c 17 terminal -V.A.G 1331/6-, see equivalent → Anchor

Removing   Caution Risk of malfunctions caused by dirt. Observe → Chapter „Rules for cleanliness and instructions for working on fuel system“.

–  Remove engine cover panel -arrows-.

–  Unplug electrical connector -arrow- at fuel pressure regulating valve -N276-.

–  Remove bolt -2- and union nuts -1 and 3- and detach high-pressure pipe.

–  Release hose clip -arrow- and detach fuel return hose from fuel rail. –  Seal off open fuel return hose with a clean plug.

–  Detach vacuum hose -3- and move clear.   Note -Items 1 and 2- can be disregarded. –  Unplug electrical connectors on glow plugs → Chapter.

–  Disconnect electrical connectors -1, 2 and 3-. –  Unscrew screw -arrow- and expose the cable guide with wiring harness and move to one side. –  Loosen union nuts for high-pressure pipes using socket -T40055-.

–  Remove union nuts -1- and bolts -arrows- and detach fuel rail. –  Set removed fuel rail (with high-pressure pipes attached) down on a clean cloth. –  Seal off openings in fuel rail with clean plugs. Installing Reassembly is carried out in the reverse order; note the following: –  Install high-pressure pipes free of stress.   Note t  Note identification marks for cylinder allocation when re-installing high-pressure pipes. t  The high-pressure pipes can be re-used after performing the following checks: t  Check sealing cone on corresponding high pressure line for deformation and cracks. t  The bore of the high-pressure line must not be distorted, restricted or damaged in any other way. t  Corroded lines should no longer be used. t  Tightening torque of the high pressure lines. → Chapter „Nozzle units: Assembly overview“