SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | 4-cylinder diesel engine (2.0 l engine, 2 valve) | Engine cylinder head, valve gear | Cylinder head | Removing and installing cylinder head cover

Removing and installing cylinder head cover

Special tools and workshop equipment required

t	Torque wrench (5...50 Nm) -V.A.G 1331-

t	Spring-type clip pliers -VAS 5024 A-

t	Sealant -AMV 174 004 01-

Removing

–	Observe rules for cleanliness → Chapter.

–	Remove engine cover.

–	Remove toothed belt guard upper part.

–	Remove exhaust gas recirculation cooler → Chapter.

–	Disconnect crankcase breather hose from union of intake manifold.

–	Remove intake manifold together with intake manifold flap motor -V157- and exhaust gas recirculation valve -N18- → Chapter.

–	Disconnect vacuum hose from cylinder head cover.

–	Remove cylinder head cover.

Installing

Installation is carried out in the reverse sequence of removal. In the process, note the following:

WARNING

When doing any repair work, especially in the engine compartment, pay attention to the following due to the cramped conditions:

t	Route all the various lines (e.g. for fuel, hydraulics, activated charcoal filter system, coolant, refrigerant, brake fluid and vacuum) and electrical wiring in their original positions.

t	Ensure that there is sufficient clearance to all moving or hot components.

Note

t	Renew cylinder head cover if damaged or leaking.

t	Renew cylinder head cover gasket and bolt seal if damaged or leaking.

–	Clean sealing surfaces. They must be free of oil and grease.

–	Place a drop of sealant -AMV 174 004 01- (Ø approx. 5 mm) -arrows- on edges of both sealing surfaces of bearing cap and cylinder head at front of engine.

–	Place a drop of sealant -AMV 174 004 01- (Ø approx. 5 mm) -arrows- on edges of both sealing surfaces of bearing cap and cylinder head at rear of engine.

Note

t	Observe expiry date of sealing compound.

t	Cylinder head cover must be installed within 5 minutes of applying sealant.

–	Fit cylinder head cover immediately and tighten all securing bolts hand tight in sequence as illustrated.

–	Tighten securing bolts in illustrated sequence. Torque setting: 10 Nm.

Further assembly is basically the reverse of the dismantling procedure.

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